A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.
4bit MIDI synthesizer
Simple AVR-based MIDI monophonic synthesizer.
4bitsynth is a MIDI-controlled digital synthesizer that uses the Atmel AVR ATMega48. Inspired by the NES, the sound is 4-bit. The digital output is put through an R-2R resistor ladder to get the analog waveform.