LED-Matrix Lamp

This tutorial shows the build of the mini lamp from the video in detail Needed components (affiliate links): 16×16 Flexible RGB LED Matrix ($13)ESP8266 D1 MiniPower Supply 5.5mm Barrel Jack 3D PrintThe blender and stl file can be found on thingiverse . The blender file is only needed if you like to modify it. The …

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 …