4 layers345 × 213.3 mm

Boom-1-Top
jdotw/OpInst-Bass-1
Three-voice analog synth with a digital control surface using CEM3340, AS3320 and similar discrete analog components.
1,029 parts4
Boards in 2 GitHub repositories, designed in KiCad, that use the BLUENRG-M2SA by STMicroelectronics (-40℃~+105℃ 8dBm Bluetooth SPI、UART、ADC、I2C、PDM SMD-23P RF Transceiver ICs ROHS). See how each wires it, with its parts, size, README and files; the BLUENRG-M2SA’s symbol, footprint and pinout are on its own page.

jdotw/OpInst-Bass-1
Three-voice analog synth with a digital control surface using CEM3340, AS3320 and similar discrete analog components.
