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Can someone please help me in connecting the ESP 01 wifi module with Arduino mega. I have looked at multiple resources online, none of which worked for me.

The esp 01 module just heats up and doesn't respond to AT commands.

Can someone provide me some good resources to look upon?

Please guide me.

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  • ESP-01 is a 3V3 device, while Arduino Mega is 5V. How do you connect with ESP-01? What code you run to test AT Command response from ESP-01? Commented Apr 10, 2020 at 8:05
  • ESP --> ARDUINO MEGA GND --> GND Vin --> 3.3V ENABLE --> 3.3V TX --> SERIAL 1 RX RX --> SERIAL 1 TX (3.3 v by using voltage divider Circuit) Commented Apr 12, 2020 at 17:35
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