MySensors Li-po/USB powered wirelles node

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.

Power consumption

sleep: 58.1uA
wakeup: 18.2mA

Supported radios:

NRF24L01 SMD
NRF24L01+LNA+PA SMD

Pins used:

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

PCB top view

PCB bottom view

ATmega328p fuses

HIGH: DA
LOW: E2
EXTENDED: 06