ProMicro

PCBs

collection of various PCBs stackable onto various MCU modules like

⚠️ all modules run with 3.3V, some might be 5V tolerant, but it is up to you to verify!

PCB	Status	Description
ANA	draft	2ch analog in/out
BOOST	prototype	Lipo battery charger
BUS	prototype	Modbus and CANbus module
CONN	prototype	CONN
ESP	draft	ESP
LOG	prototype	micro SD card shield with real time clock
LORA	prototype	Lora transceiver 868MHz
POS	prototype	GPS receiver and gyroscope module
QWIIC	draft	BME280 sensor and analog extension
UART	prototype	USB to RS232, RS485, SPI, I2C, JTAG
WING	draft	Adafruit FeatherWing Breakout
ZPM	draft	energy harvesting module