2 layers97.7 × 58 mm

Bluepill function generator
BojanSof/BluePillWaveGen
DDS function generator build around STM32 BluePill board
41 parts35
KiCad boards from 3 GitHub repositories tagged “function-generator”, the most starred first; open any of them in PCBKit.

BojanSof/BluePillWaveGen
DDS function generator build around STM32 BluePill board

RobertGawron/DDSFunctionGenerator
A 6 MHz Direct Digital Synthesis (DDS) function generator, fully configurable via SCPI (Standard Commands for Programmable Instruments) protocol.

