N28
===
- Role: Door sensor with temp sensor
- MCU: AtTiny84
- Connection: RJ45
- Predecessor: N21, N16
- Periphery:
- door sensor (TCRT1000)
- TWI interface
- SI7021 temperature and humidity sensor
N28
===
- Role: Door sensor with temp sensor
- MCU: AtTiny84
- Connection: RJ45
- Predecessor: N21, N16
- Periphery:
- door sensor (TCRT1000)
- TWI interface
- SI7021 temperature and humidity sensor