2 layers40 × 55.5 mm

Boards in 3 GitHub repositories, designed in KiCad, that use the TDA2822NBD by GREENMICRO (-20℃~+85℃ 0.1Wx2@4Ω、0.35Wx1@4Ω 1.8V~6V 2-Channel 30dB、40dB 6mA Built-in audio processing Class AB DIP-8 Audio Amplifiers ROHS). See how each wires it, with its parts, size, README and files; the TDA2822NBD’s symbol, footprint and pinout are on its own page.



Outdatedcandy92/Radio-Tutorial
An FM receiver board built around the RDA5807 module. It includes a Seeed Xiao RP2040 to control the RDA5807 over I2C.