Wiring SIM800L↵
Make sure to switch to 5V on USB2TTL serial adapter
Wiring USB2TTL↵
| VCC | to | VCC |
|---|---|---|
| GND | to | GND |
| RX | to | TX |
| TX | to | RX |
Additional power information↵
IMPORTANT!!!
- SIM800L needs external power supply 5V/2A
- This can be bypassed with capacitor 16V 2200uF and provide stability during Calls & SMS due to higher power draw.
Capacitor Wiring↵
| VCC | to | VCC |
|---|---|---|
| GND | to | GND |
✏️ Last Change:
📖 Publication Date: 2024-06-14 11:41