cr2450
There are 4 repositories under cr2450 topic.
hallard/LoRa-E5-Tiny
LoRa-E5 Tiny cell coin STM32WL LoRaWAN board
vishnumaiea/Birthday-Alarm
An Arduino powered birthday reminder device that'll wish you happy birthday for almost 50 years on a single CR2450 coin cell.
tk20dk/malory
Low power Si4432 sensor module
tk20dk/sally
Si4432 prototype board