NGS1131 DAT
Hardware
- Hold down reset button for 2 seconds to boot the module
- pull up reset pin for 2 seconds to boot the module (by external MCU)
Pin Definitions
- RST
- GND
- PEN
- RXD
- TXD
- ~RI
- DTR
- 3V3
- VIN
- VBUS
Note
- When use VIN input, UART serial logic level power +5V should be supplied via VUSB
- 3.3V for on board logic or power external
Wiring UART communication with ESP32
| ESP32 | note | A7670 |
|---|---|---|
| IO18 IO19 | UART | A7670C |
| Vin / Vusb | Logic Level | A7670C logic |
| Vin / Vusb | Power Supply | A7670C Power Supply |
