Mijia Smart Temperature and Humidity Monitor 3 Mini, BLE, Model: MJWSD06MMC

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SoC: TLSR8251, Sensor: SHV4, LCD driver: AIP31620E

V	Vcc
G	GND
R	RX PB7
T	TX PD7
S	SWS PA7
G	GND
V	Vcc
B6	PB6

SDA	PC2
SCK	PC3
A5	PA5
A6	PA6

PC4	Vbat
PD2	KEY to GND

Original FullFlash
Power consumption of the original firmware:
Averge: 26..29uA, Sleep: 11uA, RF TX: 15mA