2 layers200 × 87.8 mmSonus7 rev1BasementCircuits/Sonus7Analog seven-band spectrum bargraph with op amps.263 parts6
2 layers125 × 70 mmLTP305 ESP32 CLOCKBasementCircuits/BulletTimeESP32 based clock using LTP305 led matrices65 parts4MIT
2 layers304.8 × 123.2 mm65 keyboard pcbBasementCircuits/wave65discipline65 inspired keyboard175 parts2MIT
2 layers79.8 × 49.7 mm2x3-macropadBasementCircuits/2x3-macropadSimple 2x3 macropad running QMK firmware19 parts1MIT
2 layers40 × 85 mmESP inputBasementCircuits/Sonus7Analog seven-band spectrum bargraph with op amps.30 parts6
2 layers45 × 85 mmInput stageBasementCircuits/Sonus7Analog seven-band spectrum bargraph with op amps.21 parts6
2 layers60 × 285 mmLed barBasementCircuits/Sonus7Analog seven-band spectrum bargraph with op amps.82 parts6