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DIY Static Charge Monitor - Electrostatic Field Detector (Arduino & TL071)
Pavleski Oct 01,2025
 A Static Charge Monitor also known as a Static Field Meter or Electrostatic Voltmeter is a device used to measure the presence and magnitude of static electricity (electrostatic charges) on surfaces, objects, or in the surrounding environment. Generally this type of instruments are divided into Contact-Based Meters wich Measure charge by direct contact with a surface and Non-Contact (Field Meters) that Use electrostatic induction to measure charge from a distance. Another division is based...
ESP8266 Arduino DIY
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robot car body top
Gligorijevski Sep 30,2025
This robot car body was fully designed in Tinkercad and 3D-printed to create a strong yet lightweight chassis for my robotics project. The design includes precise mounting points for motors, sensors, and electronic modules, making it easy to assemble and upgrade. Its modular structure allows room for experimentation, whether it’s adding a camera, ultrasonic sensors, or extra components in the future. The 3D-printed body is not only durable but also customizable, so it can adapt to new features a...
3D printing Arduino Robot
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Shield Modbus RTU para Arduino R3 y R4 RS232 RS485
Zurco Limachi Sep 29,2025
Shield para Arduino UNO para Modbus RTU que incluye DB9 para RS485 como terminal bornera RS485Nativamente se puede usar los pines 0 y 1 del Arduino R3 para usar por Serial en el caso de usar el Arduino R4 el los pines 0 y 1 son el Serial1 respectivamente de la misma forma tiene la opción de usar los pines 11 y 12 para software serial en el caso se usar los pines 0 y 1 todos los componentes fueron diseñados para el servicio de SMT en el caso de no solo solicitar el PCB y quieran tenerlo listo par...
8th Design Contest-Electronic Project
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RP2040 i2c Scanner
Simple Electronics Sep 26,2025
https://youtu.be/NPpPVw-4qi8For the most information, the CODE and more, check out the website article:https://simpleelectronics.ca/an-i2c-address-scanner-for-your-desk/The long and the short is that this PCB uses an RP2040 and an OLED and scans continuously for attached i2c devices and displays the address - perfect for scanning dubious devices from Aliexpress!RP2040-Zero (or compatible):Aliexpress: https://s.click.aliexpress.com/e/_c3frVqPdAmazon (Canada): https://amzn.to/4mBsttpAmazon (USA &a...
Arduino Development Board Board
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Arduino Heartbeat Monitor with HW-487 Pulse Sensor and 16×2 I²C LCD
Kuběna Sep 25,2025
This project is an Arduino Uno–based heartbeat monitor that uses the HW-487 pulse sensor to measure and display heartbeats in real time. The sensor detects the pulse through its digital output, and the Arduino calculates and displays the beats per minute (BPM) on a 16×2 I²C LCD screen.Features:HW-487 pulse sensor for heartbeat detection.Real-time BPM display on a 16×2 I²C LCD.Built with Arduino Uno R3 for simplicity and reliability.Compact design, easy to replicate and modify.Great for education...
8th Design Contest-AIoT Project Arduino Heartbeat
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High Voltage AC/DC to Isolated ADC Signal Conversion Module
Nie Sep 24,2025
High Voltage to Isolated ADC Signal Conversion Module1. Principle: Interfacing a Differential-Output (Isolated) Amplifier to a Single-Ended Input ADCThis project follows the principle introduced in the TI application note:[Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (TI SBAA229B)]The AMC1301 is an isolated amplifier with a differential output. However, many microcontrollers only support single-ended ADC inputs. To resolve this, the differential output of the AMC1...
8th Design Contest-Electronic Project Power electronics isolated voltage sensor
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Cylon Vocoder wit Larson Scanner ( moving eye)
Donners Sep 21,2025
I'm a big fan of the TV series Battlestar Galactica ( BSG) and I love the robots called Cylons. The original design ( and also in the remake) included a moving red eye that later became the soul of KITT from the Knight Rider Series.The Cylons talked with a very unique sound that was produces using Vocoder technology. Maybe today, vocoders are not that special anymore because you can emulate those by using software plugin. Back in the day however, a vocoder was something special and mysteriousA v...
8th Design Contest-Electronic Project Arduino Retro
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PULPY - FLIGHT CONTROLLER
Khouatra Sep 21,2025
  ️ Custom Flight Controller for INAV  This FC (Flight Controller) was developed as an open-source playground for drone pilots, and although that’s the main objective for now, please note that untested modifications can make your drone behave unpredictably, so if you don’t exactly know what you are doing, please take it with a grain of salt.  I'm designing a custom flight controller (FC) for my drone project - it’s my first time building both a drone and a flight control...
8th Design Contest-Electronic Project DIY Drone
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Design and Build an Arduino Based Touch Capacitive Piano with Recording and Replay
Tom Sep 19,2025
Project Overview: Power Bank Circuit on PCBThis project is a clean, compact, and integrated power bank design implemented on a single PCB, using a 18650 lithium cell as the energy source. It combines both battery‐charging and boost‐converter circuits to enable both charging the battery and powering a mobile device from the same board. Key FeaturesSingle-PCB Integration: Instead of using separate modules for charging and boost conversion, all components (battery charger, boost converter, pow...
DIY Programmer Development board
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ESP8266 IO board (for education)
Avalos Sep 18,2025
The ESP8266 IO Board is a didactic development platform specially designed for teaching and learning embedded systems and IoT programming. Based on the popular NodeMCU (ESP-12E) module, this board provides a ready-to-use environment where students can focus on coding, testing, and understanding real-world applications.The board includes:Easy access to all NodeMCU pins, clearly labeled for fast prototyping.Built-in peripherals such as push buttons, an RGB LED, and a photoresistor to explore digit...
Arduino ESP8266 Development board
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Popular Project
A Modified zFlip 5
With many Samsung zFlip phones hitting the unfortunate fate of a broken folding screen, I took it as an opportunity to build my own silly phone. Taking only the minimum parts required for the phone to...
ESP32-BlueJammer
The ESP32-BlueJammer (Bluetooth jammer, BLE jammer, WiFi jammer, RC jammer) disrupts various devices using an ESP32 and nRF24 modules, causing plenty of noise and sending unnecessary packets (DoS).It ...
Air Quality Monitor
The Air Quality Monitor is a compact, ESP32-C3–based device designed to track and display key indoor environmental metrics in real time. At its core, it integrates the Sensirion SEN54 for particulate ...
DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network
Project OverviewThis project delivers a complete, custom-designed PCB solution for building Meshtastic mesh network nodes. Unlike traditional communication methods that rely on cellular towers or Wi-F...
Jammer Bluetooth 2.4G
Proyecto de PCB para Jammer bloqueador inhibidor de señales Bluetooth y Wifi de 2.4G.Proyecto patrocinado por PCBWay, muchas gracias por el apoyo!Primero regístrate en PCBWay haciendo clic acá, luego ...
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