4 layers100 × 69.4 mm

FMTransceiver
Longing-Ingernot/FMTransceiver
This is an FM radio transmitter and receiver, all in one, built around an ESP32-S3, a KT0803L
71 parts1MIT
Boards in 2 GitHub repositories, designed in KiCad, that use the KT0803L by KTmicro (SOP-16 SMT ROHS). See how each wires it, with its parts, size, README and files; the KT0803L’s symbol, footprint and pinout are on its own page.

Longing-Ingernot/FMTransceiver
This is an FM radio transmitter and receiver, all in one, built around an ESP32-S3, a KT0803L

Gloeidraad/AMFM-modulator-with-ESP32-module
This is an MP3 player, Web-radio player, Bluetooth player, and simple waveform generator, based on an ESP32 module. The output is connected to a simple FM/AM modulator.