CRT BOY

Intro The CRT BOY is a simple project that tries to build a Game Boy clone using a small CRT screen. The end result will look like a even more retro Game Boy from the 80ies. The micro controller based on the ESP32 is not so retro is strong enough to emulate consoles from the …

Mallets Bot

A simple USB MIDI device sending notes to a common PWM module Compatible with all devices suppoerted by the MIDIUSB library under construction… come back later :-* Code & models The code can be found here https://github.com/bitluni/MalletsBot Need to install the following libraries in the Arduino IDE to run: https://github.com/arduino-libraries/MIDIUSB https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library Models are exported as …

Cheap Ass DIY 3D Scanner

This mini project shows an attempt to built a cheap areal 3D scanner. The two attempts use an ultrasonic transducer and a time-of-flight sensor. The project ist Arduino based with the ESP8266 board extension. While it’s still work in progress this page will grow with additional information. Parts I put together some affiliate links. These …

Electret microphone amplifier

  This project shows how to set up an electret microphone amplifier and let it control RGB LEDs. The RGB Lamp The built of the RGB lamp can be found on the corresponding electromaker page. Amplification The circuit used in this project uses the dual op amp chip LM358 and a cheap electret capsule. Both …

ESP32 Color PAL

This project shows how to generate a color PAL composite signal using the built in DACs of the ESP32. You might want to check out the complete playlist on the development of an ESP32 based game console. https://www.youtube.com/playlist?list=PLjUbKCHhzPEzCm2_KFAICIN-7QTap_s72 Color encoding demo (Full size version here) <span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” …

ESP32 Composite Audio

This project shows how to generate composite audio and video at different sampling rates and techniques using the built in DACs of the ESP32. You might want to check out the complete playlist on the development of an ESP32 based game console. https://www.youtube.com/playlist?list=PLjUbKCHhzPEzCm2_KFAICIN-7QTap_s72 Parts The part used here is a LOLIN32 board. But Any ESP32 board …

Arduino Gamepads

Parts The part used here is a LOLIN32 board. But Any ESP32 board can be used. Some classic NES/ SNES game controllers with 7 pin connectors. Where to get them These links are the cheapest I could find and also supporting our work (affiliate). I also ordered my modules there LOLIN32 Board (~$6.90) But there are …