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AC 50-500V 100A Dual LED Digital Voltmeter Ammeter Gauge Panel Meter
💡 Product Summary
The AC 50-500V 100A Dual LED Digital Voltmeter Ammeter Gauge Panel Meter is a compact, self-powered instrument designed for real-time tracking of electrical circuits. It simultaneously displays line voltage (Red LED) and load current (Green LED) on a bright 3-digit display. By utilizing an included external current transformer (CT) coil ring, it accurately measures heavy electrical loads up to 100A while maintaining complete electrical isolation for user safety.📌 Core Highlights
- Simultaneous Tracking: Displays AC voltage and current concurrently on a dual-color LED screen.
- Self-Powered Design: Draws operational power directly from the measured lines, eliminating external power supply wires.
- Isolated Current Sensing: Includes a remote CT ring to prevent high-amperage lines from directly passing through the display unit.
- Snap-In Mounting: Rugged, low-profile plastic housing features side clips for easy, flush-panel installation.
Are you ready to install this device, or would you like to explore alternative options?Show me the step-by-step wiring diagram for installationFind the current retail price and purchasing options৳ 400.00৳ 500.0020% offAC 50-500V 100A Dual LED Digital Voltmeter Ammeter Gauge Panel Meter
৳ 400.00৳ 500.0020% off -
CD74HC4067 16-Channel Analog/Digital Multiplexer Breakout Board.
The CD74HC4067 16-Channel Analog/Digital Multiplexer Breakout Board is a compact input/output expansion module compatible with Arduino, ESP32, and Raspberry Pi. It functions like a digitally controlled rotary switch, allowing you to connect up to 16 individual signals (C0–C15) to a single microcontroller pin (SIG) using only 4 selection lines (S0–S3). Because it is fully bidirectional, it works seamlessly for both reading analog/digital sensors and controlling output components like LEDs or relays across a standard 2V to 6V operating range.Would you like:An Arduino wiring schematic and code example?An explanation of how to connect multiple boards together?৳ 320.00৳ 500.0036% offCD74HC4067 16-Channel Analog/Digital Multiplexer Breakout Board.
৳ 320.00৳ 500.0036% off -
CH224K Type-C USB PD / QC / AFC Fast Charge Decoy Trigger Module
The CH224K Type-C Fast Charge Decoy Module is a compact hardware negotiation board that tricks USB PD, QC, and AFC power adapters into outputting specific high-voltage DC rails [Image 2, Image 3]. Using its onboard 3-position DIP switches, you can instantly configure fixed outputs of 5V, 9V, 12V, 15V, or 20V at up to 100W [Image 2, Image 4]. It is the perfect DIY tool to eliminate bulky power bricks and run routers, laptops, or robotics projects directly from standard USB-C chargers [Image 2, Image 7].Let me know if you would like:The exact DIP switch positions for your target voltageA quick breakdown of its pinout and wiring steps৳ 220.00৳ 300.0027% offCH224K Type-C USB PD / QC / AFC Fast Charge Decoy Trigger Module
৳ 220.00৳ 300.0027% off -
Digital AC Overvoltage / Undervoltage Protector Module with Display
The Digital AC Overvoltage and Undervoltage Protector Module is an intelligent voltage monitoring relay designed to shield sensitive electronics from erratic power supply lines. It continuously reads incoming line voltage, cleanly presenting the real-time values on a bright 3-digit LED segment display
৳ 350.00৳ 500.00Digital AC Overvoltage / Undervoltage Protector Module with Display
৳ 350.00৳ 500.00 -
Digital Weighing Scale Motherboard (10th Generation PCB Control Board)
10th Generation Universal Digital Weighing Scale Motherboard
Product Overview
Restore or upgrade your commercial weighing equipment with this premium 10th Generation Universal Digital Weighing Scale Motherboard. Engineered as a high-performance replacement control circuit, this PCB delivers fast, highly stable, and accurate weight processing for platform, counting, and retail bench scales [Image 2, Image 18].⚡ Key Highlights
- Precision Weight Tracking: Advanced onboard processing converts raw load cell signals into immediate, drift-free weight readings [Image 2].
- Universal Compatibility: Multi-pin row headers seamlessly connect to standard matrix keypads and LED/LCD numeric display screens [Image 4].
- Robust Power Design: High-capacity capacitors ensure clean power distribution from AC adapters or rechargeable 4V/6V backup batteries [Image 24].
- Instant Audio Feedback: Built-in heavy-duty buzzer alerts users during zero-taring, button presses, and weight stabilization.
📋 Short Specifications
- Board Revision: 10th Generation Layout (第十代 <01>)
- Supported Scale Capacity: 30kg up to 300kg (load cell dependent) [Image 2, Image 10]
- Operating Voltage: DC 4V–6V Input [Image 24]
If you are buying this for a replacement, could you tell me:- Is your current display an LED (red glowing numbers) or LCD screen?
- What is the maximum weight capacity of your scale?
I can make sure this board is perfectly configured for your machine.৳ 250.00৳ 300.0017% offDigital Weighing Scale Motherboard (10th Generation PCB Control Board)
৳ 250.00৳ 300.0017% off -
LM386 Audio Amplifier Module (20x Gain).
The LM386 Audio Amplifier Module is a compact, low-power mono audio amplifier board featuring an integrated 10K volume potentiometer and a default 20x gain boost. Operating on a flexible 4V to 12V DC input, this pocket-sized module is designed to cleanly amplify low-power analog signals to drive small 4Ω to 8Ω speakers. It is highly optimized for battery-powered hobby projects, Arduino/Raspberry Pi audio outputs, DIY radios, and portable intercoms.If you are listing this item online, would you like me to:Generate a bulleted list of e-commerce search keywordsDraft a quick HTML formatting template for a store listing৳ 320.00৳ 500.0036% offLM386 Audio Amplifier Module (20x Gain).
৳ 320.00৳ 500.0036% off -
Mosquito Killer Bat Circuit Board (High-Voltage Pulse Generator Module)
⚡ Product Summary
The PX-Y15C6-A Mosquito Killer Bat Circuit Board is a high-voltage DC-to-DC boost module engineered for electric insect rackets and DIY zapper projects. It efficiently steps up 3.7V–5V lithium battery power into a high-voltage pulse discharge capable of neutralizing pests instantly. Featuring an external micro-USB charging break-out board and a dual-switch safety system (slide power and tactile trigger), this compact PCB serves as an ideal drop-in replacement part for quick household repairs.
✨ Key Features
- High-Voltage Booster: Integrated step-up transformer and heavy-duty film capacitor deliver strong, reliable output pulses.
- Modern Micro-USB Charging: External charging breakout board simplifies integration and case mounting.
- Dual-Switch Safety: Built-in slide toggle and tactile push-button prevent accidental discharges during handling.
- Easy DIY Installation: Clearly labeled solder pads for battery (
BATT) and grid connections streamline the assembly process.
If you are replacing an old board, let me know:- How many wires run from your old board to the racket grid?
- If your racket uses an indicator light for showing when it is shocking.
I can help you match the old wiring scheme to this new module perfectly!৳ 205.00৳ 250.0018% offMosquito Killer Bat Circuit Board (High-Voltage Pulse Generator Module)
৳ 205.00৳ 250.0018% off -
mosquito killer bat circuit board (model PX-Y1507-A)
⚡ PX-Y1507-A High-Voltage Mosquito Killer Bat Circuit Board
The PX-Y1507-A is an all-in-one replacement high-voltage step-up generator module designed for quick repairs and DIY electronic insect swatter projects. This compact PCB board seamlessly restores full zapping power to your electronic racket while introducing modern tracking upgrades.💡 Key Highlights
- High-Voltage Output: Delivers efficient step-up inversion to eliminate flies and mosquitoes instantly on contact.
- Digital LED Display: Features a built-in 2-digit numerical panel for real-time battery percentage tracking.
- Dual Safety Controls: Features an integrated slide power switch and a tactile trigger button for safe handling.
- Easy Replacement: Compact architecture with clear terminal markings for straightforward wire soldering.
🗒 Quick Specs
- Model: PX-Y1507-A / BP227
- Input Compatibility: 3.7V Li-ion or 4V Lead-Acid rechargeable batteries.
If you are ready to install this module, let me know:- Do you need help identifying the positive and negative battery terminals?
- Do you want to verify the grid wire connections?
I can guide you through the process to ensure a safe assembly!৳ 220.00৳ 300.0027% offmosquito killer bat circuit board (model PX-Y1507-A)
৳ 220.00৳ 300.0027% off -
Mosquito Swatter Circuit Board (Model R29-T69)
This High-Voltage Mosquito Swatter Circuit Board (Model: R29-T69) is a compact drop-in replacement module for electric insect rackets and DIY bug zapper projects. It features an integrated AC charging input, step-up pulse transformer, and heavy-duty storage capacitors to deliver an instantaneous high-voltage spark. Complete with a built-in power slide switch, tactile trigger button, and dual LED indicators, this board offers a reliable all-in-one repair solution.
If you need help installing this module, let me know:- Do you need the wiring connections guide for the battery and the grid?
- What tools (like a soldering iron) do you have on hand?
I can provide the exact steps to help you complete your repair safely!৳ 210.00৳ 260.0019% offMosquito Swatter Circuit Board (Model R29-T69)
৳ 210.00৳ 260.0019% off -
printed circuit board (PCB) assembly for an electric mosquito killer racket
⚡ Product Summary: CY-BP227 High-Voltage Mosquito Swatter PCBA
The CY-BP227 (V18-2101) is a compact high-voltage step-up inverter circuit board designed for rechargeable electric mosquito killer rackets and DIY insect-zapping projects. Operating on a DC 3.6V–5V input, it converts low-voltage battery power into a high-intensity 5,000V–10,000V output pulse to eliminate flying pests instantly upon grid contact.🌟 Key Features
- High-Efficiency Boost: Integrates an onboard oscillator and step-up transformer to deliver reliable, instant high-voltage arcs.
- Modern Charging: Includes a tethered Micro-USB sub-board for safe 5V recharging, eliminating dangerous direct-AC mains plugs.
- Complete Controls: Features a tactile zapping button, multi-position sliding power switch, and visual LED status indicators.
- Safety Bleeders: Built-in discharge resistors help bleed residual capacitor energy when the power is switched off.
If you are setting up this module, let me know:- Do you need a wiring diagram breakdown for the battery and mesh grid connections?
- Are you troubleshooting an issue where the board charges but doesn’t zap?
৳ 200.00৳ 250.0020% offprinted circuit board (PCB) assembly for an electric mosquito killer racket
৳ 200.00৳ 250.0020% off -
TP4056 Lithium Battery Charger & Adjustable DC-DC Boost Converter Module
The TP4056 Lithium Battery Charger & Adjustable DC-DC Boost Converter Module is a highly compact, 2-in-1 power management board designed for DIY electronics, portable gadgets, and mini-UPS applications. It features an integrated USB Type-C interface to charge a single-cell 3.7V/4.2V lithium-ion or Li-Po battery safely while simultaneously boosting the output voltage up to 27V DC via an onboard adjustable potentiometer.Core Capabilities- Dual Functionality: Combines a safe 1A CC/CV linear lithium battery charger with a high-efficiency DC-DC step-up circuit on a single PCB.
- Adjustable Output Range: Smoothly steps up a 3.7V battery voltage to any targeted level between 4.3V and 27V DC to power microcontrollers, sensors, or 12V routers.
- Modern Type-C Port: Accepts standard 5V mobile charger inputs, backed by adjacent solder pads for direct hardwired power alternatives.
- Solder Terminal Layout: Includes clear, labeled pads for the battery source (
B+/B-) and the regulated boosted load output (VO+/VO-).
Are you planning to run this module at 5V, 9V, or 12V for your load? I can provide the exact maximum current limitations for that specific voltage range.৳ 100.00৳ 140.0029% offTP4056 Lithium Battery Charger & Adjustable DC-DC Boost Converter Module
৳ 100.00৳ 140.0029% off
