Circuit Digest

A Maker Saved Two Wind Gauges From a Demolished Airport Tower and Gave Them an ESP32 Brain

On its 1000-ohm tap it needs only about 3 mA for full scale, so the ESP32 drives it straight from a GPIO with PWM, with no ...
Circuit Digest

Pac-Man, Space Invaders and Manic Miner Run on a Plain Arduino Uno at 50 fps, With Two Resistors for Video and No Framebuffer

The engine has no framebuffer at all. Instead of drawing a picture in memory and sending it out, the Uno works out every line ...
Hackaday

Arduino Hacks

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...

Introduction: The success of the LED project and the 'stock LCD' sleeping in the drawer

Introduction: The success of the LED project and the 'stock LCD' sleeping in the drawerHello, I'm someone who has recently ...
Open Source For You

Open-Source ESP32 Walkie-Talkies Send Audio Without Wi-Fi

These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...