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PULSE GENERATOR
ZAFAR Jul 28,2026
This NE555 Pulse Generator is a compact and reliable PCB designed to generate adjustable square wave signals for electronics projects. It features configurable frequency and duty cycle, making it ideal for PWM control, motor speed regulation, LED dimming, signal testing, and embedded applications. The project includes Gerber files, schematic, BOM, and Pick & Place data for easy PCB fabrication and assembly. Suitable for Arduino, ESP32, STM32, robotics, IoT, DIY electronics, and educational l...
LED Arduino Clock
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Distance Measuring Tool
Visaakan J Jul 25,2026
# ESP8266 Distance Measurer - Complete Documentation---## 1. Project OverviewThis is an ESP8266-based Distance Measurer that uses an HC-SR04 ultrasonic sensor to detect objects and display real-time distance readings on a 16x2 LCD screen. The system provides instant visual feedback of object proximity from 2cm to 400cm with an accuracy of ±0.3cm. The LCD continuously updates with distance measurements, making it ideal for robotics, parking assistance, industrial automation, and educational proje...
Arduino ESP8266 Sensor
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ATtiny 13/85 Bootloader & Programmer
Iocchi Jul 25,2026
Programador ATtiny 13/85. Funciona tanto para grabar gestores de arranque como para programar. Se puede programar con uno o dos chips a la vez. La tercera ranura sirve para montar el chip y probarlo con el circuito que se desee. Es necesario tener un Arduino Nano con el programa "Arduino as ISP".
12th Anniversary Arduino Board
165
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Radar System
Visaakan J Jul 25,2026
# ESP8266 Radar System - Complete Documentation---## 1. Project OverviewThis is an ESP8266-based Radar System that uses an ultrasonic sensor (HC-SR04) to detect objects and display them on a real-time radar visualization. The system features a servo motor for 180-degree scanning, a web-based radar display, Telegram notifications, and local buzzer/LED alerts.---## 2. FeaturesReal-time radar display accessible via web browser with 180-degree scanning capability. Object detection from 2cm to 400cm ...
ESP8266 IOT Ultrasonic
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Elecrow All-in-One Arduino Starter Kit Review - 20 Projects & 16 Modules
Pavleski Jul 24,2026
 This time I will describe a simple and practical way to enter the world of microcontrollers, specifically Arduino. Arduino is an open-source electronics platform that combines simple hardware (microcontroller boards) and software (Arduino IDE) to let anyone build interactive projects like robots, sensors, or smart devices. It’s widely used by beginners, hobbyists, and professionals because it’s affordable, easy to learn, and supported by a huge global community.  Namely, during t...
Arduino ESP8266 DIY
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Antenna (or whatever) Selector SHIELD for Arduino Uno
YU2ZZ Jul 21,2026
This shield was designed with no particular project in mind. It aims to be useful for both automatic and keypad-operated antenna selectors in general. This is just hardware, providing slightly more than a set of ten relay drivers, but there are many projects/sketches on the Internet (including my blog) that could be easily adapted to work with it. The shield could also help build other Arduino-based devices that will switch multiple loads on and off and may have nothing to do with amateur radio....
ham radio amateur radio
425
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Arduino-Based DSP Morse Decoder and Trainer
YU2ZZ Jul 21,2026
This real-time real-world Morse decoder and trainer uses the Goertzel algorithm to detect a CW tone of 708 Hz. The program then analyzes the detected tone patterns in order to recognize and decode Morse characters.A signal with a good SNR and fairly correct (not necessarily perfect) Morse code tone patterns will be decoded flawlessly; for example, a signal taken directly from a computer, or a 9+ signal over the radio. The speed can exceed 50 standard words per minute (WPM). However, operator var...
ham radio amateur radio morse
658
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ESP32-Based Smart Sensor Node with Custom PCB Design
Lin Jul 20,2026
The original idea was to create a compact and reliable sensor platform that can be used for environmental monitoring, home automation, and remote data collection.Instead of using multiple development modules connected with jumper wires, I designed a custom PCB to integrate the controller, power supply, communication interface, and sensor connectors into one compact board.The goal of this project was not only to build a working device but also to practice the complete hardware development process...
ESP32 DIY ESP8266
509
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Chess Clock
Visaakan J Jul 18,2026
Project Overview:System Architecture & Control Logic:The ESP8266 acts as the central processor for the dynamic chess clock, orchestrating the entire match flow. It continuously monitors the game state and handles dual-player countdowns using non-blocking timing routines, ensuring the system remains completely responsive during rapid blitz games. The hardware layout features three dedicated tactile switches: KEY1 and KEY2 handle seamless turn swapping by instantly pausing one player's timer a...
Arduino ESP8266 DIY
269
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DIY LED Roulette Wheel | ESP32 C3 Project
Adhikari Jul 15,2026
Hi everyone, today I am going to show you how I made a "Digital Roulette Wheel" by combining ESP32-C3 Super Mini Microcontroller with the classic CD4017 CMOS decade counters. When the button is pressed, the ESP32 sends "clock pulses" to the CD4017 IC, causing the LEDs to cycle. Releasing the button triggers a realistic slowing down effect until it stops on a random result and reports the final position using the Serial Monitor or via Wi-Fi.Trust me, there's a lot going on with this project ...
3D printing DIY USB
500
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Popular Project
DIY Active FFB Pedal PCBA
Easy one click ordering of Ghilipert PCAB V2.2 REV BNo solderinghttps://github.com/gilphilbert/DIY-Sim-Racing-FFB-Pedal-PCBsAsk for part 25 : SQP5W-5Ω±5%-9MMore info here :https://youtu.be/PMupeveZSFM...
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SensWear: An Open-Source, Modular, AI-Ready Wearable Platform
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Programmable Mist Maker - XIAO / QT PY Extension
This is an open source, programmable mist maker built as an expansion board for the Seeed Studio XIAO ESP32-C6. It mounts directly on the XIAO or QT PY, is powered over USB-C, and turns a piezo atomiz...
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