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README.md

Emerson GO Tracker 1.7 (TXC-TH04)

Parts

Part Number Type Interface
STM32L431CCU MCU
HDC2010 Humidity and Temperature Sensor I2C
TMP112 Temperature Sensor I2C
????? Light Sensor I2C
Quectel BG95-M5 GSM + GNSS UART
MX25L3233F Flash SPI
I2C Address Device Function
0x40 HDC2010 Humidity and Temperature Sensor
0x44 ????? Light Sensor?
0x48 TMP112 Temperature Sensor

Light Sensor

      ---------------
GND - | 1         6 | - INT (PB9)
VCC - | 2         5 | - SDA
GND - | 3         4 | - SCL
      ---------------

STM32L431CCU Pinout

STM Pin Function Remark
PA1 GSM NetKey -
PA2 UART2_TX GSM -
PA3 UART2_RX GSM -
PB2 GSM PWR Enable -
PB5 TMP112 enable -
PB6 I2C1_SCL -
PB7 I2C1_SDA -
PB9 Light INT not verified
PB12 SPI Flash CS -