Change & Store ESP32 WiFi credentials in EEPROM without uploading code
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In this article, we are going to walk through " how to Change #ESP32 WiFi credentials without uploading code from Arduino IDE", We will update WiFi Credential wirelessly and store the same credentials in the #EEPROM memory of the ESP32 using a really awesome library "EEPROM.h". We are going to develop an Arduino Program, Which First Reads the WiFi Credentials from the EEPROM, and tries to connect to that; If the WiFi is not available or there are no credentials stored in the EEPROM, ESP32 will Acts an Accespoint and creates a Hotspot which will allow us to connect and modify the WiFi credential. Then it connects to the freshly configured WiFi Credentials. It will only take a couple of minutes to go through these steps.
So, without wasting time let's get started.
Required Components:
1. Breadboard https://amzn.to/2DZsesr
2. ESP32 Module https://amzn.to/3a0TmmZ
3. 10k Resistor https://amzn.to/30ZBuX1
4. Push-button https://amzn.to/2ZVVnwC
5. Connecting wires https://amzn.to/2ZlUD47
6. Data Cable to Program ESP32. https://amzn.to/350FWXF
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