GitHub

Digital Twin Arduino Uno R3

This project demonstrates how to control an Arduino's LED through a Node.js server and synchronize the Arduino's RX and TX LEDs with a virtual representation in Unity. By using a serial connection to ...
CNET

Best Red Light Therapy Devices of 2026, Tested and FDA-Cleared

I tested the most popular red light therapy devices. These are the ones worth your money.
Hackaday

Analog Circuitry Lets You Blow This LED Out

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...
EDN

BJT is accurate sensor for absolute temperature in Kelvin and Rankine

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...
Hackaday

Python Comes To The Arduino Uno Q

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...
GitHub

Arduino Ultrasonic Distance Sensor with Buzzer and LED Control

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...