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0.56-Inch 3-Digit Seven-Segment LED Display Module (Common Cathode)
The HS310561K is a compact, 0.56-inch 3-digit seven-segment LED display module configured in a Common Cathode (CC) layout. Designed with bright red LED segments set against a high-contrast black face, it offers crisp alphanumeric legibility and wide viewing angles. It utilizes a multiplexed 12-pin dual-inline package (DIP) to minimize microcontroller pin requirements, operating efficiently at a low forward voltage of 1.8V to 2.2V (10–20mA per segment). This reliable module is perfectly suited for breadboard prototyping and seamless integration into digital counters, clocks, voltmeters, and custom DIY embedded hardware projects.Are you looking to integrate this module into a new design? I can help you map out the exact 12-pin layout or write a basic Arduino control code to get the display running without any screen flicker.৳ 30.00৳ 50.0040% off0.56-Inch 3-Digit Seven-Segment LED Display Module (Common Cathode)
৳ 30.00৳ 50.0040% off -
1.3-Inch 7-Pin SPI 128×64 OLED Display Module
The 1.3-Inch 7-Pin SPI OLED Display Module (128×64) is a crisp, high-contrast graphic screen designed for microcontrollers. Operating over an efficient 7-pin SPI communication interface, it delivers deep blacks and sharp self-illuminated visuals without requiring a power-hungry backlight. Its compact size and low power draw make it the ideal display solution for DIY smartwatches, compact IoT sensor nodes, Arduino robotics, and handheld testing equipment.
৳ 250.00৳ 280.001.3-Inch 7-Pin SPI 128×64 OLED Display Module
৳ 250.00৳ 280.00 -
1602 LCD Display Module 16×2 Character Blue Screen with AIP31066 Controller
This standalone 1602 LCD display module features a 16-character by 2-line layout driven by the high-performance AIP31066 controller chip. It delivers crisp white text against a vibrant blue LED backlight and supports flexible 4-bit or 8-bit parallel communication modes. Operating at standard 5V, this robust screen is fully compatible with standard HD44780 libraries for easy integration with Arduino, Raspberry Pi, and other popular development boards.৳ 135.00৳ 180.00 -
1602 LCD Display Module 16×2 Character Screen with I2C IIC Serial Interface Adapter
This compact 1602 LCD display module features a pre-soldered I2C serial adapter that reduces the required microcontroller pins from 16 down to just 2 (SDA and SCL). It displays 16 characters across 2 lines with an adjustable contrast potentiometer and a removable backlight jumper. Operating at 5V, it is fully compatible with Arduino, Raspberry Pi, and ESP32 development boards.৳ 260.00৳ 300.00 -
1S-8S Lithium Battery Capacity Indicator Module with LED Level Display
This ultra-compact lithium battery capacity indicator module provides an instant, visual breakdown of your battery pack’s remaining power level [Image Context]. Featuring an onboard tactile “TEST” button and a clear 5-stage LED bar graph display, it eliminates continuous power drain by lighting up only when pressed [Image Context]. The unit comes pre-wired with color-coded red and black positive/negative pigtails for straightforward parallel integration onto battery terminals [Image Context]. Encased in a low-profile, surface-mountable black bezel panel, this universal gauge is perfect for monitoring DIY power banks, LiPo packs, RC vehicles, and portable solar energy storage banks.
৳ 150.00৳ 180.00 -
360-Degree Ceiling Mount PIR Motion Sensor Switch.
Here is a short, punchy product description perfect for a quick overview or an e-commerce bullet point:Product Summary
The 360-Degree Ceiling Mount PIR Motion Sensor Switch is an intelligent, energy-saving device that automatically controls lights and fans by detecting human body heat. Featuring full 360° omnidirectional coverage and a detection range up to 6–12 meters, it eliminates the need for manual switches, making it perfect for hallways, staircases, bathrooms, and offices. Equipped with an advanced Fresnel lens and built-in TIME and LUX (day/night) adjustments, you can customize exactly how long appliances stay on and whether they activate during daylight or only in darkness.Highlights
- Hands-Free Automation: Automatically turns connected lights/fans on when you enter a room and off after you leave.
- 360° Full Coverage: Ceiling-mounted design leaves zero blind spots in your detection zone.
- Dual Control Knobs: Fully adjustable time delay (10s to 7m) and ambient light sensitivity (3 to 2,000 LUX).
- Wide Compatibility: Works seamlessly with up to 1200W traditional bulbs or 300W energy-efficient LEDs.
Would you like me to tailor this text into a specific format? I can:Create an SEO-optimized bullet list for Amazon/DarazDraft a ultra-short social media ad caption (Instagram/Facebook)৳ 999.00৳ 1,200.0017% off360-Degree Ceiling Mount PIR Motion Sensor Switch.
৳ 999.00৳ 1,200.0017% off -
4-Phase 5-Wire Reduction Stepper Motor and ULN2003 Driver Combo
The 28BYJ-48 5V Stepper Motor and ULN2003 Driver Board Kit is a highly popular, low-cost precision motion control system designed for microcontroller prototyping [context]. The 4-phase, 5-wire stepper motor operates on a 5V DC supply and utilizes an internal 64:1 reduction gear train to multiply rotational torque, enabling smooth and highly precise angular positioning. The companion driver board is built around a rugged ULN2003 Darlington transistor array chip, featuring an easy plug-and-play motor connection header, isolated logic input pins (
IN1-IN7), and a row of four onboard LEDs to provide immediate visual tracking of the active step sequence—making it an essential kit for Arduino robotic arms, automatic blinds, and camera sliders.৳ 200.00৳ 230.004-Phase 5-Wire Reduction Stepper Motor and ULN2003 Driver Combo
৳ 200.00৳ 230.00 -
7-Pin White SPI OLED Display Module
The 1.3-Inch 7-Pin SPI White OLED Display Module (128×64) is a high-contrast monochromatic graphic screen featuring bright, self-illuminating white pixels. Operating over a fast 4-wire SPI communication interface, it displays ultra-sharp text and graphics with perfect clarity from any angle [diymall]. Because it uses an emissive layout that eliminates the need for an external backlight, this compact display keeps power draw extremely low, making it ideal for battery-operated wearables, custom instruments, and Arduino smart project nodes.
৳ 210.00৳ 250.007-Pin White SPI OLED Display Module
৳ 210.00৳ 250.00 -
Aluminum Flexible Helical Beam Shaft Coupler
Compact Aluminum Flexible Helical Beam Shaft CouplerHigh-Precision Power TransmissionThis Aluminum Flexible Helical Beam Shaft Coupler is designed to seamlessly connect driving shafts (like stepper motors) to driven shafts (like lead screws). Machined from high-strength aluminum alloy, it features a specialized helical spiral cut that provides excellent multi-axial flexibility while maintaining zero backlash for precise rotational timing.Critical Component Protection- Misalignment Correction: Absorbs parallel, angular, and axial misalignments to prevent mechanical binding.
- Bearing Protection: Isolates structural stress, drastically reducing wear on sensitive motor bearings and guide rails.
- Vibration Damping: Dampens high-frequency harmonic vibrations for smoother operations and cleaner finishes.
- Secure Fastening: Equipped with dual metric set-screws on both ends for a slip-free, reliable hold.
Perfect for 3D printers (eliminating Z-wobble), CNC routers, rotary encoders, and precision robotics.৳ 250.00৳ 300.0017% offAluminum Flexible Helical Beam Shaft Coupler
৳ 250.00৳ 300.0017% off -
Aluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)
Aluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)
Quick Overview
This high-precision aluminum flexible helical beam coupler is designed to connect a 5mm motor shaft directly to an 8mm lead screw or rod [image_DjbKdZ.png]. Featuring a parallel-slit helical design, it provides zero-backlash torque transmission while flexing to correct angular, parallel, and axial misalignments between components [image_DjbKdZ.png].
Key Highlights
- Perfect Transition Size: NEMA 17 standard 5mm bore to T8 lead screw 8mm bore [image_DjbKdZ.png].
- Compact Form Factor: 25mm overall length with an outer diameter of 19mm [image_DjbKdZ.png].
- Zero-Backlash Motion: Stiff rotational drive ensures precise positional accuracy for 3D printers and CNC machines.
- Bearing Protection: Absorbs alignment errors and vibrations, drastically extending the life of your stepper motor bearings.
- Secure Fastening: Equipped with dual radial set-screws on each side for a slip-free grip on the shafts [image_DjbKdZ.png].
If you are replacing a faulty coupler, let me know:- Is your machine a 3D printer or a CNC router?
- Are you dealing with any shaft slippage issues during high-speed moves?
I can share tips on using thread-locking fluid or creating flat spots on your shafts for a permanent fix.৳ 250.00৳ 300.0017% offAluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)
৳ 250.00৳ 300.0017% off -
ArduCopter APM 2.8 Flight Controller
The ArduCopter APM 2.8 Flight Controller is an open-source autopilot platform designed for autonomous multirotors, fixed-wing aircraft, and ground rovers. Powered by an ATmega2560 microprocessor, it features a built-in 6-axis gyro/accelerometer, an altimeter barometer, and dedicated data logging storage.This upgraded v2.8 revision includes a critical hardware jumper to bypass the internal compass, allowing you to use a mast-mounted external compass to prevent electromagnetic interference from your motors. It supports full GPS waypoint mission navigation, automated Return-to-Launch (RTL) failsafes, and works seamlessly with the open-source Mission Planner ground control software.Would you like help with your next step?Show me the wiring connections for this boardExplain how to set the compass selection jumper৳ 7,500.00৳ 8,500.0012% offArduCopter APM 2.8 Flight Controller
৳ 7,500.00৳ 8,500.0012% off -
Arduino Mega 2560 R3 Microcontroller Board with USB Cable
This is an Arduino Mega 2560 R3, a high-performance open-source microcontroller board designed for complex and large-scale electronics projects. It features the powerful ATmega2560 chip, offering vastly expanded input/output pins and memory compared to the standard Arduino Uno. It is the go-to hardware platform for building 3D printers, complex robotics, and demanding automation systems.Key Specifications
- Microcontroller: ATmega2560
- Operating Voltage: 5V
- Digital I/O Pins: 54 pins (15 provide PWM output)
- Analog Input Pins: 16 pins
- Hardware Serial Ports: 4 UARTs
- Flash Memory: 256 KB
If you are planning your wiring, let me know:- How many sensors or motors you need to connect?
- Are you using this for a 3D printer or a robot?
৳ 1,100.00৳ 1,200.00Arduino Mega 2560 R3 Microcontroller Board with USB Cable
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Arduino Uno R3 DIP Microcontroller Board
This is an Arduino Uno R3 DIP, a popular open-source microcontroller board based on the ATmega328P chip. Unlike the SMD version, this board features a removable, socketed Dual In-line Package (DIP) processor chip. It serves as an accessible hardware platform used worldwide for prototyping electronics, learning code, and building automated devices.Key Specifications
- Microcontroller: ATmega328P (Removable DIP package)
- USB-to-Serial: Often powered by the ATmega16U2 or CH340 chip
- Operating Voltage: 5V
- Digital I/O Pins: 14 pins (6 support PWM output)
- Analog Input Pins: 6 pins
- Flash Memory: 32 KB
If you are setting up this specific board, let me know:- Do you plan to replace or program the DIP chip separately?
- What operating system (Windows, Mac, Linux) are you using?
৳ 600.00৳ 700.00Arduino Uno R3 DIP Microcontroller Board
৳ 600.00৳ 700.00 -
Arduino Uno R3 SMD Microcontroller Board
This is an Arduino Uno R3 SMD, a popular microcontroller board based on the ATmega328P chip. It features a surface-mount device (SMD) processor configuration instead of the traditional detachable DIP chip. It serves as an open-source electronics platform widely used for building robotics, automated systems, and DIY hardware projects.Key Specifications
- Microcontroller: ATmega328P (SMD package)
- USB-to-Serial: Frequently utilizes the CH340G or ATmega16U2 chip
- Operating Voltage: 5V
- Digital I/O Pins: 14 pins (6 provide PWM output)
- Analog Input Pins: 6 pins
- Flash Memory: 32 KB
If you are setting this up, let me know:- Your operating system (Windows, Mac, Linux)?
- If you need help installing the CH340 drivers?
৳ 560.00৳ 600.00Arduino Uno R3 SMD Microcontroller Board
৳ 560.00৳ 600.00 -
ESP32 CP2102 Type-B Development Board NodeMCU ESP-WROOM-32 WiFi Bluetooth Module
This high-performance ESP32 development board features the original ESP-WROOM-32 module driven by a dual-core Xtensa® 32-bit LX6 processor. Equipped with a robust Micro-USB (Type-B) interface managed by a high-stability CP2102 bridge controller chip, it ensures seamless serial debugging and auto-flashing capabilities across the Arduino IDE. It delivers dual-mode 2.4GHz WiFi and Bluetooth wireless connectivity, fully supporting advanced LWIP protocols, FreeRTOS, and three distinct network modes (AP, STA, and AP+STA). Outfitted with an ultra-flexible 38-pin expanded breakout footprint alongside tactile EN/BOOT switches, this low-power board serves as the ultimate web-server core for custom IoT networks, wireless sensors, and advanced automated engineering.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Breaking down how to use the three wireless modes (AP, STA, and AP+STA)
৳ 340.00৳ 400.00 -
ESP32 CP2102 Type-C Development Board NodeMCU ESP-WROOM-32 WiFi Bluetooth Module
This high-performance ESP32 development board features the original ESP-WROOM-32 micro-module driven by a dual-core Xtensa® 32-bit LX6 processor. Measuring a compact 51mm by 26mm, it integrates a modern Type-C USB port managed by a high-stability CP2102 USB-to-UART bridge chip for fast, seamless firmware programming and flashing. It offers dual-mode 2.4GHz WiFi and Bluetooth (v4.2 BR/EDR and BLE) wireless communication supported by an onboard PCB copper trace antenna. Outfitted with a 30-pin layout, tactile EN/BOOT buttons, and an onboard AMS1117 3.3V voltage regulator, it serves as the ultimate plug-and-play micro-computing core for custom DIY IoT networks, smart home sensor arrays, wireless web servers, and automation prototyping.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Verifying whether this is the standard 30-pin or 38-pin pinout configuration for your buyers
৳ 340.00৳ 400.00 -
ESP32-C3 SuperMini Development Board
This ESP32-C3 SuperMini Development Board is an ultra-compact, high-performance IoT microcontroller board designed for space-constrained wearable projects and smart home automation. Powered by a single-core 32-bit RISC-V processor, this micro-sized board features integrated 2.4 GHz Wi-Fi and Bluetooth 5 (LE).
৳ 500.00৳ 650.00ESP32-C3 SuperMini Development Board
৳ 500.00৳ 650.00 -
ESP32-CAM-WROVER Development Board
This ESP32-WROVER-DEV development board combines a powerful dual-core microcontroller with integrated WiFi and Bluetooth. It features an OV2640 camera module, built-in 4MB PSRAM for image processing, and a convenient Micro USB port for easy programming and power. It is ideal for low-cost IoT projects, smart home automation, video streaming, and wireless face recognition.
৳ 1,000.00৳ 1,200.00ESP32-CAM-WROVER Development Board
৳ 1,000.00৳ 1,200.00 -
ESP32-S3 N16R8 Dual Type-C Development Board 16MB Flash 8MB PSRAM WiFi BT Module
This high-performance ESP32-S3 N16R8 development board features an advanced Xtensa® 32-bit LX7 dual-core processor [240MHz] optimized for AI and machine learning edge computing. Measuring a compact 7cm by 2.6cm, it boasts an upgraded memory configuration with 16MB of Flash memory (N16) and 8MB of external PSRAM (R8) to handle large, complex code repositories. It integrates robust 2.4GHz WiFi and Bluetooth 5 (LE) wireless connectivity alongside a dual Type-C USB interface layout managed by a reliable CP2102 serial chip. Outfitted with dual-row breakout pins, tactile Boot/Reset buttons, and a built-in programmable RGB LED, it serves as the ultimate micro-computing hub for advanced IoT arrays, artificial intelligence applications, and high-density embedded engineering.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Explaining how the 16MB Flash memory benefits heavy data-logging and graphical storage
৳ 1,150.00৳ 1,200.00ESP32-S3 N16R8 Dual Type-C Development Board 16MB Flash 8MB PSRAM WiFi BT Module
৳ 1,150.00৳ 1,200.00 -
ESP32-S3 N8R2 Dual Type-C Development Board ESP32-S3-DevKitC-1 8MB Flash 2MB PSRAM WiFi BT Module
This high-performance ESP32-S3 N8R2 development board (ESP32-S3-DevKitC-1 architecture) features an advanced Xtensa® 32-bit LX7 dual-core processor [240MHz] optimized for budget-conscious AIoT applications. It integrates a balanced memory configuration combining 8MB of Flash memory (N8) with 2MB of external PSRAM (R2) to run rich, responsive applications. Offering reliable 2.4GHz WiFi and Bluetooth 5 (LE) wireless streams, the board features a dual Type-C USB interface network that separates native USB-OTG peripheral hosting from the dedicated serial UART debugging port. Complete with dense breakout pins, tactile Boot/Reset buttons, and a built-in programmable RGB LED indicator, it serves as the ultimate cost-effective micro-computing hub for custom home automation grids, wireless sensors, and DIY IoT projects.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Listing the exact GPIO pins wired to the onboard RGB LED and physical switches
৳ 1,050.00৳ 1,100.00 -
ESP32-S3 N8R8 Dual Type-C Development Board WiFi Bluetooth MCU Wireless Module
This high-performance ESP32-S3 N8R8 development board (YD-ESP32-23 v1.3) features an advanced Xtensa® 32-bit LX7 dual-core processor with powerful AI vector instructions. Equipped with a dual Type-C USB interface, it integrates 8MB of Flash memory (N8) and 8MB of external PSRAM (R8) alongside robust 2.4GHz WiFi and Bluetooth 5 (LE) wireless connectivity. Built with dense breadboard-friendly breakout pins, an RGB status indicator, and onboard Boot/Reset switches, this versatile microcontroller board serves as the ultimate high-speed processing core for advanced IoT nodes, automotive telematics, vehicle-to-vehicle (V2V) communications, and edge-computing AIoT systems.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Explaining how the dual Type-C ports isolate USB-OTG communication from UART debugging
৳ 1,200.00৳ 1,300.00ESP32-S3 N8R8 Dual Type-C Development Board WiFi Bluetooth MCU Wireless Module
৳ 1,200.00৳ 1,300.00 -
Flexible Helical Shaft Coupling
Aluminum Flexible Beam Shaft Coupler
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- Application: Connects stepper motors to lead screws in 3D printers, CNC routers, and robotics.
- Function: Compensates for parallel/angular misalignment and dampens vibration while maintaining zero backlash.
- Material: Lightweight, high-strength aluminum alloy.
- Fixing Type: Secure dual-end set screw clamping.
- Standard Size: Outer diameter 19mm, length 25mm (D19L25) [Image 1, Image 6].
Are you checking compatibility for a specific setup? Let me know your motor and lead screw shaft sizes to find the correct bore diameters.৳ 250.00৳ 300.0017% offFlexible Helical Shaft Coupling
৳ 250.00৳ 300.0017% off -
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Flexible Plum Jaw Shaft Coupler
Premium Flexible Plum Jaw Shaft Coupler (D25 L30)Maximize your machine’s precision with this high-performance Flexible Plum Jaw Shaft Coupler. Engineered for CNC machines, 3D printers, and servo/stepper motor assemblies, this zero-backlash component delivers flawless rotational transmission while protecting your system from mechanical wear.- Vibration Dampening: Premium polyurethane spider core absorbs shocks and dampens motor harmonics.
- Misalignment Compensation: Automatically corrects parallel, angular, and axial shaft offsets to prevent structural binding.
- Zero-Backlash Precision: Ensures highly accurate, 1:1 synchronous positioning for tight-tolerance operations.
- Secure Clamping Design: Dual aluminum clamp hubs provide uniform grip to eliminate slippage without damaging shafts.
- Specifications: 25mm Outer Diameter (OD) x 30mm Length (L) with a precision-bored 6mm to 6mm connection.
To ensure this matches your exact build, let me know:- Do you need this exact 6mm to 6mm bore, or a different size pairing (e.g., 5mm to 8mm)?
- What type of motor (e.g., NEMA 17, NEMA 23, Servo) are you mounting it to?
- Do you prefer this clamping hub style, or a set-screw (grub screw) style?
৳ 300.00৳ 350.0014% offFlexible Plum Jaw Shaft Coupler
৳ 300.00৳ 350.0014% off -
Gravity: Analog TDS Sensor / Meter for Arduino.
The Gravity: Analog TDS Sensor / Meter for Arduino is a compact, plug-and-play water quality kit designed to measure the Total Dissolved Solids (TDS) level in liquids. Operating between 3.3V and 5.5V, it is fully compatible with Arduino, ESP32, and Raspberry Pi microcontrollers, providing a stable 0–2.3V analog output that represents water purity from 0 to 1000 ppm.The kit features an anti-polarization AC excitation source that extends the life of the included waterproof probe, making it an ideal choice for smart water testing, hydroponics, aquariums, and water filtration monitoring.Would you like help with any of the following?See the exact connection wiring diagram for your microcontrollerLearn how to add temperature compensation for more accurate ppm readingsGet a list of typical TDS values for drinking water, tap water, and RO water৳ 1,880.00৳ 2,100.0010% offGravity: Analog TDS Sensor / Meter for Arduino.
৳ 1,880.00৳ 2,100.0010% off -
GY-87 10DOF IMU Sensor Module
The GY-87 10DOF IMU Sensor Module is a compact, high-precision tracking board that combines an MPU-6050 (3-axis accelerometer and 3-axis gyroscope), an HMC5883L (3-axis digital compass), and a BMP180 (barometric pressure and temperature sensor) onto a single PCB. Designed for advanced motion tracking and environmental monitoring, it provides 10 Degrees of Freedom (10DOF) data, making it ideal for drones, flight controllers, self-balancing robotics, and navigation systems.Highlight Features
- All-in-One Sensing: Tracks 3D acceleration, rotation, heading, altitude, and temperature simultaneously.
- Wide Voltage Range: An onboard LDO regulator and logic level shifters ensure safe operation with 3V to 5V systems (compatible with Arduino, ESP32, and Raspberry Pi).
- Simplified Wiring: All three internal sensors communicate over a single shared I2C interface, conserving microcontroller pins.
If you are ready to connect the hardware, let me know:- Which microcontroller board you are using?
- If you need a quick wiring guide for the pins (VCC, GND, SCL, SDA)?
৳ 870.00৳ 1,000.0013% offGY-87 10DOF IMU Sensor Module
৳ 870.00৳ 1,000.0013% off -
HC-SR04 Non-Contact Ultrasonic Range Measurement Transducer Sensor
The HC-SR04 Ultrasonic Distance Sensor Module is a highly popular, non-contact range measurement sensor designed for microcontroller projects. Operating on a 5V DC supply, it utilizes high-frequency sound waves to accurately detect objects and calculate distances from 2cm to 400cm with high precision. The compact board features a dual-transducer design
৳ 75.00৳ 100.00 -
INMP441 Omnidirectional MEMS Microphone Module
The INMP441 Omnidirectional MEMS Microphone Module is a high-precision, low-power digital microphone board featuring a 24-bit I2S interface. It outputs crisp, studio-grade digital audio directly to processors like the ESP32 without requiring an analog-to-digital converter (ADC) or external preamplifier. Its 360-degree pickup pattern and compact design make it the perfect solution for voice recognition, smart-home automation, and portable IoT audio recording projects.If you want to use this module, I can provide:A quick ESP32 wiring chartA simple Arduino code template to test audio outputTips on choosing the right power supply to prevent audio hum৳ 700.00৳ 900.0022% offINMP441 Omnidirectional MEMS Microphone Module
৳ 700.00৳ 900.0022% off -
IR Infrared Obstacle Avoidance Sensor Module for Arduino Smart Car
The IR Infrared Obstacle Avoidance Sensor Module is an essential, highly responsive proximity sensor designed for intelligent robot cars and automation projects. Operating on a 3.3V to 5V DC supply, it features a matched pair of infrared components: a clear IR emitting diode that beams out light, and a black photodiode receiver that catches reflections from nearby objects. The board incorporates an LM393 comparator IC to cleanly process incoming analog reflections into a crisp digital signal. Complete with an onboard sensitivity-tuning potentiometer and a 3-pin interface (VCC,GND,OUT), this module is the go-to choice for line-following robots, automated product counters, and close-range collision avoidance barriers.
৳ 30.00৳ 50.00 -
M2596S DC-DC Step Down Variable Voltage Regulator Power Supply Module
The LM2596S DC-DC Step-Down Buck Converter Module is a highly efficient adjustable voltage regulator designed to step down higher input voltages into a stable, lower output voltage. Powered by the reliable LM2596S monolithic switching regulator chip, it accepts an input voltage range of 3.2V to 40V DC and steps it down smoothly to an output range of 1.25V to 35V DC [context]. The board features a high-precision multi-turn potentiometer for fine voltage tuning and supports a continuous output current of up to 2A (3A peak with external cooling), making it a staple power supply module for microcontrollers, routers, and robotics projects.
৳ 80.00৳ 100.00 -
MAX485 TTL to RS-485 Converter Module
The MAX485 TTL to RS-485 Converter Module is a compact, high-performance serial transceiver designed to enable robust, long-distance communication for microcontrollers like Arduino, Raspberry Pi, and ESP32. By converting standard single-ended TTL logic signals into noise-immune differential RS-485 signals, this module expands the reliable transmission range of your serial network up to 1,200 meters (4,000 feet).Operating at 5V DC, the board features an integrated MAX485 chip that supports half-duplex communication at speeds up to 2.5 Mbps, allowing up to 32 transceivers to connect to a single multi-drop bus network. With breadboard-friendly 2.54mm pitch headers, it provides a straightforward pinout for quick hardware interfacing—including dedicated Driver/Receiver Enable pins (DE/RE) for precise data direction control. This module is the ideal choice for industrial automation, Modbus networks, remote sensor arrays, and smart building automation systems exposed to high electrical interference.Let me know if you would like:A concise bulleted feature summary for a quick retail listingA brief explanation of how to hook up the DE and RE control pins৳ 320.00৳ 450.0029% offMAX485 TTL to RS-485 Converter Module
৳ 320.00৳ 450.0029% off -
MAX485 TTL to RS-485 Converter Module
The MAX485 TTL to RS-485 Transceiver Module is a compact, high-performance solution designed to convert standard TTL serial data into rugged, industrial-grade RS-485 differential signals. Operating at 5V DC, this low-power module enables microcontrollers (like Arduino, ESP32, and Raspberry Pi) to achieve reliable, half-duplex communication over long distances up to 1,200 meters (4,000 feet) at speeds up to 2.5 Mbps. Featuring high noise immunity, multi-drop networking support for up to 32 nodes, an on-board 120Ω termination resistor, and a built-in power LED, it is perfect for Modbus RTU communication, long-distance telemetry, PLC interfacing, and automated building networks.Would you like me to format this short description into a bulleted list of key features or optimize it for a specific platform like Amazon or Shopify?৳ 2,300.00৳ 2,500.008% offMAX485 TTL to RS-485 Converter Module
৳ 2,300.00৳ 2,500.008% off -
MB102 Breadboard Power Supply Module
The MB102 Breadboard Power Supply Module is a compact plugin adapter designed to provide regulated 3.3V and 5V DC power directly to solderless breadboards. Featuring dual independent channels, each side can be manually configured via jumpers to output 3.3V, 5V, or turn completely off. It accepts a wide 6.5V to 12V DC input via a standard barrel jack or can be powered directly via its USB port. Equipped with an on/off tactile switch and an LED indicator, it provides up to 700mA of clean, stable current—making it an essential tool for clean and safe Arduino, ESP32, and DIY electronics prototyping.If you are ready to use this board, let me know:- What components you are trying to power?
- What power source you have on hand?
I can provide the exact jumper settings to safely start your circuit.৳ 150.00৳ 200.0025% offMB102 Breadboard Power Supply Module
৳ 150.00৳ 200.0025% off -
Mini Recessed PIR Motion Sensor Switch 110V-220V Automatic Infrared Detector
The Mini Recessed PIR Motion Sensor Switch is an intelligent, low-profile environmental automation switch designed to provide hands-free lighting control. Utilizing advanced Passive Infrared (PIR) body induction technology, it detects human thermal movement within a 110-degree cone to automatically activate connected LED lamps, cabinet strips, or exhaust fans. The micro-sized cylindrical module is engineered for flush-mount installation inside ceilings, cabinets, or drywall panels, secured tightly via an integrated retention nut. Complete with a quick-disconnect wiring harness, this energy-saving switch is perfect for modern corridors, smart wardrobes, under-cabinet kitchen setups, and automated home security configurations.
৳ 260.00৳ 300.00 -
MT3608 DC-DC Voltage Regulator Step-Up Boost Converter Module
The MT3608 DC-DC Step-Up Boost Converter Module is an ultra-compact, high-efficiency adjustable voltage regulator designed to multiply lower DC input voltages into stable, higher output voltages. Powered by the reliable MT3608 high-frequency switching IC, this micro-sized board steps up an input voltage range of 2V to 24V DC to a user-defined output range of 5V to 28V DC. Featuring a premium multi-turn trimmer potentiometer for precision voltage adjustments and supporting a maximum output current of up to 2A, this highly versatile module is perfect for power bank upgrades, lithium battery stepping, and space-constrained electronics projects.
৳ 42.00৳ 60.00 -
NodeMCU V3 ESP8266 CH340 Micro-USB WiFi Development Board Wireless IoT Module
This high-performance NodeMCU V3 ESP8266 development board features an integrated ESP-12E module driven by a responsive Tensilica® 32-bit CPU. Measuring a highly compact 1.96 inches by 0.98 inches (with a low-profile 0.51-inch thickness), it utilizes a standard Micro-USB port managed by a highly compatible CH340 serial chip to deliver fast, stable firmware flashing and real-time debugging across the Arduino IDE. It provides complete 2.4GHz Wi-Fi (802.11 b/g/n) connectivity with support for full network security stacks and onboard PCB antenna tracking. Outfitted with a 30-pin layout, tactile Flash/Reset switches, and an onboard voltage regulator, this space-saving module serves as the ultimate low-cost, plug-and-play foundation for compact smart home appliances, remote sensor meshes, and space-constrained wireless DIY IoT arrays.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Providing a pinout connection overview to map out I2C, SPI, and Analog (A0) pins
৳ 340.00৳ 400.00 -
NodeMCU V3 ESP8266 CH340 Type-C WiFi Development Board Wireless IoT Module
This high-performance NodeMCU V3 ESP8266 development board features an integrated ESP-12E core driven by a responsive Tensilica® 32-bit CPU. Modernized with a robust Type-C USB interface, it utilizes a highly compatible CH340 serial chip to deliver fast, stable firmware flashing and real-time debugging across the Arduino IDE and Lua programming environments. It provides complete 2.4GHz Wi-Fi (802.11 b/g/n) connectivity with support for full network security stacks and onboard PCB antenna tracking. Outfitted with a 30-pin layout, tactile Flash/Reset switches, and an onboard voltage regulator, this compact module serves as the ultimate low-cost, plug-and-play foundation for custom smart home appliances, remote sensor meshes, and wireless DIY IoT arrays.If you want, tell me if you need help with:- Writing a comprehensive, full product description
- Formatting bullet points optimized for e-commerce sites like Amazon or AliExpress
- Providing a pinout connection overview to map out I2C, SPI, and Analog (A0) pins
৳ 340.00৳ 400.00 -
Raspberry Pi Camera Module v1.3 Overview & Specs
The Raspberry Pi Camera Module v1.3 is a compact, 5-Megapixel add-on board equipped with an OmniVision OV5647 sensor for capturing sharp still images and high-definition video. It plugs directly into the dedicated CSI port on a Raspberry Pi using a flexible flat ribbon cable, keeping USB ports free and ensuring low-latency data transfer. This lightweight, fixed-focus module supports 1080p video at 30fps and 720p at 60fps, making it an ideal choice for home security, robotics, time-lapse photography, and automated computer vision projects.Let me know if you would like me to:Provide Python starter code to take a quick test photoExplain the terminal commands needed to test the camera connectionHelp you find mounting enclosures or 3D print designs for it৳ 800.00৳ 1,000.0020% offRaspberry Pi Camera Module v1.3 Overview & Specs
৳ 800.00৳ 1,000.0020% off -
SCSxxUU Series Linear Motion Ball Bearing Slide Block 8MM
SCSxxUU Linear Ball Bearing Slide Block
The SCSxxUU Series Slide Block is a high-precision, low-friction linear motion unit designed for smooth travel along round shafts. It features a lightweight, corrosion-resistant anodized aluminum housing and an integrated high-carbon steel linear bushing with internal recirculating ball circuits. Equipped with double-sided rubber dust seals to keep out debris and pre-drilled metric mounting holes, it is the ideal component for DIY 3D printers, CNC machinery, and industrial automation.- Material: Anodized Aluminum Alloy Housing & GCr15 Steel Bushing
- Sizes Available: Standard metric bores (8mm, 10mm, 12mm, 16mm, etc.)
- Key Features: Low friction, smooth movement, long service life, and easy mounting
If you want to tailor this further, let me know your exact bore size (e.g., 8mm for SC8UU) or the target marketplace (e.g., Amazon, Shopify) so I can optimize the keywords!৳ 290.00৳ 330.0012% offSCSxxUU Series Linear Motion Ball Bearing Slide Block 8MM
৳ 290.00৳ 330.0012% off -
SG90 9g Micro Servo Motor with Horns and Screws Kit for RC Airplane
The SG90 9g Micro Servo Motor is a lightweight, high-torque miniature actuator designed for precise angular positioning in robotics and remote-control models. Operating on a 4.8V to 6V DC supply, this popular 180-degree servo features durable internal nylon gears housed in a compact translucent blue casing. It includes a 3-pin connector cable (PWM Signal,VCC,GND) for effortless plug-and-play integration with microcontrollers like Arduino, Raspberry Pi, and RC receivers. The package comes complete with three interchangeable plastic horn arms and mounting screws, making it an essential component for robotic arms, steering mechanisms, pan-and-tilt assemblies, and RC airplanes.
৳ 120.00৳ 150.00SG90 9g Micro Servo Motor with Horns and Screws Kit for RC Airplane
৳ 120.00৳ 150.00 -
SIM808 Module GSM GPRS GPS Development Board Kit
SIM808 GSM/GPRS/GPS Development Board Kit
The SIM808 Development Board Kit is an all-in-one cellular communication and satellite navigation module featuring the SIMCom SIM808 chipset. This powerful board combines quad-band 2G GSM/GPRS data networking with high-precision GPS tracking into a single, compact footprint. Designed for seamless serial communication, it interfaces directly with Arduino, ESP32, and Raspberry Pi via standard TTL UART interfaces (3.3V–5V).The board is equipped with separate high-gain external GSM and GPS SMA antenna ports, an onboard Micro SIM card slot, and specialized audio lines for voice calling functions. Supporting standard industrial AT commands, this plug-and-play kit is an exceptional hardware foundation for real-time vehicle tracking, fleet management, remote data telemetry, and DIY IoT projects.Would you like help starting your project? I can:Provide an Arduino wiring diagram for this moduleShow you how to test communication using basic AT commandsExplain the power requirements needed to keep it from resetting৳ 3,400.00৳ 3,700.008% offSIM808 Module GSM GPRS GPS Development Board Kit
৳ 3,400.00৳ 3,700.008% off -
Usongshine Bipolar Hybrid NEMA 17 Stepper Motor
The Usongshine 17HS4401 is a high-torque, bipolar hybrid NEMA 17 stepper motor engineered for high-precision motion control. Delivering a holding torque of ≥42 N·cm (59.5 oz·in) at a standard 1.8° step angle, it offers smooth, reliable performance for demanding linear motion builds. It features a convenient detachable 4-lead cable design and a 5mm D-shape shaft to prevent gear slippage, making it the industry-standard choice for 3D printers, desktop CNC routers, laser engravers, and robotics.If you’re putting this item up for sale, let me know:- What platform you are listing it on (e.g., Amazon, eBay, Shopify)?
- If you need bullet points optimized for SEO keywords?
৳ 880.00৳ 980.0010% offUsongshine Bipolar Hybrid NEMA 17 Stepper Motor
৳ 880.00৳ 980.0010% off -
XL6009E1 DC-DC Step-Up Boost Power Supply Module Adjustable Converter
The XL6009E1 DC-DC Step-Up Boost Power Supply Module is a high-performance adjustable voltage regulator designed to boost lower input voltages into a stable, higher output voltage. Powered by the advanced XL6009E1 switching regulator chip, it operates at a fast 400kHz switching frequency to efficiently step up an input voltage range of 3V to 32V DC to a user-defined output range of 5V to 35V DC. Featuring a high-precision multi-turn potentiometer for fine voltage adjustments, this compact board supports an impressive peak switching current of up to 4A, making it an essential power converter for battery-operated devices, solar charging systems, and portable electronic builds.
৳ 80.00৳ 100.00
