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Sensor UART Transmiting
Sensor UART Receiving
Universal Input and Output
Universal Input and Output(By default, it outputs high when people presence detected, otherwise, output low)
Ground
Analog · I2C · UART · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: UART Rx, VCC, GND, UART Tx. Schematik maps them to your board in the app.
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Power +
Reserved, left floating
Reserved, left floating
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| UART Tx | Official table 2 row 1 | uart | Sensor UART Transmiting | |
| UART Rx | Official table 2 row 2 | power | Sensor UART Receiving | |
| GPIO1 | Official table 2 row 3 | digital io | Universal Input and Output | |
| GPIO2 | Official table 2 row 4 | digital io | Universal Input and Output(By default, it outputs high when people presence detected, otherwise, output low) | |
| GND | Official table 2 row 5 | ground | Ground | |
| VCC | Official table 2 row 6 | power | Power + | |
| NC | Official table 2 row 7 | pin | Reserved, left floating | |
| NC | Official table 2 row 8 | pin | Reserved, left floating |
10K Precision Epoxy Thermistor 3950 NTC