PCB size as 18500 Li-po battery board with ATmega328p with integrated USB charger and battery protection IC. Supports ATSHA204A CryptoAuth chip, DS18B20 temperature IC and Meder reed switch.
- sleep: 58.1uA
- wakeup: 18.2mA
- NRF24L01 SMD
- NRF24L01+LNA+PA SMD
- D2 = reed switch 1
- D3 = reed switch 2
- D4 = 1-Wire bus with R2 pull-up to D5
- D5 = 1-Wire supply
- D7 = LED indication
- D9 = CE pin
- D10 = CSN
- SPI = radios
- A2 = ATSHA204A
- A7 = battery monitor
- HIGH: DA
- LOW: E2
- EXTENDED: 06