Hardware
Lead out all the function pins
left column pins
- TXD / RXD / RTS / CTS / DCD / DTR / RI (via logic shifter)
bottom-left pins
- ADC / 1V8 / CS / SI / CLK / SO (SPI)
- DIN / DOUT / CLK / SYNC (PCM) / IO5 / USB_BOOT
bottom-right pins
- IO1 / IO3 / U3T / SDA / U2T
- IO2 / IO4 / U3R/ SCL / U2R
right column pins
- MCU_BOOT / EXT_3V3 / VBAT / GND / 5V / DM / DP / USB_V
Demo
Quick Setup
| Functions | Setup and Pins |
|---|---|
| power supply | GND/5V |
| serial communication | TXD / RXD |
| logic shifter level | float |
| serial baudrate | 9600 |
| network | CAT-M / NBIOT |
| location | GNSS |
| boot mode | press-button / mcu-trigger |
ref
- Driver: git simcom_driver
-
chip documentation: git SIMCOM_SIM70X0
- mqtt-dat
- NGS1128 - SIM7080-dat
- SIMCOM-AT
- SIMCOM-AT-GNSS
-
https://w.electrodragon.com/w/SIM7080
- BTB-dat