Type:
1.T-Watch SIM800L Bottom PCB Board
SIM Card:
ESP32 | Attributes | Description |
---|
GPIO33 | TX | SIM Card,UART_SIM_TX |
GPIO34 | RX | SIM Card,UART_SIM_RX |
GPIO14 | RST | SIM Card,SIM_RST |
GPIO15 | PWKEY | SIM Card,SIM_PWKEY |
GPIO04 | BOOST | SIM Card,SIM_BOOST_CTRL |
Function:
Support SIM card phone communication function
Support microphone
Support speaker
Support for expandable module use![TTGOT-Watch——Functional Expansion Bottom PCB Board Coming!!! TTGOT-Watch——Functional Expansion Bottom PCB Board Coming!!!]()
2.T-Watch Touch Sensor controller MPR121 Bottom PCB Board
TF Card:
ESP32 | Attributes | Description |
---|
GPIO13 | CS | TF_CS |
GPIO15 | MOSI | TF_MOSI |
GPIO02 | MISO | TF_MISO |
GPIO14 | SCLK | TF_SCLK |
Function:
Support TF card reading and writing
Support for expandable module use
3.T-Watch GPS-M8N Bottom PCB Board
TF Card:
ESP32 | Attributes | Description |
---|
GPIO13 | CS | TF_CS |
GPIO15 | MOSI | TF_MOSI |
GPIO02 | MISO | TF_MISO |
GPIO14 | SCLK | TF_SCLK |
NEO GPS M8N:
ESP32 | Attributes | Description |
---|
GPIO33 | TX | UART_GPS_TX |
GPIO34 | RX | UART_GPS_RX |
Function:
Support GPS positioning function: latitude and longitude, altitude data acquisition
Support TF card reading and writing
Support for expandable module use