$7 DIY eurorack modular synth 6CH gate sequencer with SSD1306 OLED and arduino /for drum machine

My 9th arduino synth project. 6CH gate sequencer with arduino and SSD1306 inch OLED. This trigger sequencer has Manual mode and Auto mode. Manual mode : you can set on/off each steps , and save the pattern data. Auto mode : play random preset pattern , and sometimes change pattern and fill-in played. If you need more display update frequency, please use SPI type SSD1306 or more quick micro-computer. working documents ( Source code ) Please support me to continue projects. Using instruments Kick : mutable instruments braids Hat (close and open) : erica synths sample drum Snare : mutable instruments peaks Chord : music sing modular chord organ Synth : noise engineering cursus iteritas My other DIY modular synth movie. $35 YAMAHA FM VCO $7 Samplar $8 Quantiz