HOBEIAN ZG-204ZV: Sonoff ZigBee "Human Motion sensor": Radar + Lx + TH sensors

SoC: TLSR8253, XBR818, Photo-resistor, TH sensor: WHT20,
Custom Zigbee FirmWare
Custom BLE FirmWare


GPIO Function
PD4 KEY -> GND
PB5 Rsense -> PB6
PB6 Rsense -> PB5 + R to GND
PC2 LED -> R 1k -> +Vbat
PC3 SDA -> WHT20
PC5 SCL -> WHT20
PA0 SCL -> XBR818
PA1 SDA -> XBR818
PD7 OUT <- XBR818


Connector:
Pin Function
1 PB7
2 PB1
3 PA7/SWS
4 GND
5 +Vbat


Original FullFlash bin