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A simple board that lets you use the SPI interface on a Raspberry Pi to program ATMEL AVR microcontrollers.

AVR Programmer for Raspberry Pi

A computer running the BASIC programming language, generating composite video and reading PS/2 keyboard input using a single AVR.

Single Chip AVR BASIC Computer

A general purpose robot joint using a cycloidal gearbox and an ODrive modified to support active compliance

3D Printed Robot Joint with Active Compliance

tim-wilkinson Tim Wilkinson

A 3D printer for printing with welding wire

Wire 3D Printer

dominik-meffert Dominik Meffert

Classic NES version of Tetris on a DIY LED Matrix Display

NES Ledtris (LED Tetris)

koen-van-vliet Koen van Vliet

An audio analyzer using teensy 3.2 + audioshield

Teensy Audio Analyzer

marcell-marosvolgyi marcell marosvolgyi

FFT spectrum analyzer is an test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis.

DIY FFT Audio Spectrum Analyzer

mircemk mircemk

This project mainly introduces how to DIY a Simple Audio Player with Amplifier LM386 .

DIY Simple Audio Player with Amplifier LM386

LM380 2.5 watt audio amplifier (Phono example from datasheet)

LM360 v1 - Breadboard Audio Amp

barryjosephcullen