https://www.youtube.com/watch?v=K8FILfmCqIg&t=1407s&ab_channel=AnalogIsn%27tDead
This PCBA is a grid of neopixels that can be driven by 2 different MCUs - either the default RP2040 MCU, or an ESP32-C3-MINI. It has a 3.5mm headphone jack, a microphone, and power input either from USB-C (5V,3A) or a barrel jack for wall-wart power (5V only!!). There is variable gain in the augio signal chain with a SPI potentiometer, but only the RP2040 can control that as of right now. There are 0R resistors you can remove and room for an 0805 resistor to set fixed gain.
