ESP32R4 controller Initial Configuration

ESP32R4 controller Initial Configuration
Posted in: Tutorials

ESP32R4 controller Initial Configuration

Initial Configuration

Using Web UI

Configure Wi-Fi

ESP32R4 controller provide a wireless access point for easy Wi-Fi configuration

Connect your device to a power source and grab your smartphone/tablet/PC. Search for a Wi-Fi AP named tasmota_XXXXXX-#### (where XXXXXX is a string derived from the device's MAC address and #### is a number) and connect to it.

After you have connected to the Tasmota Wi-Fi AP, open in a web browser. Depending on the device, it will take you to the Tasmota configuration page automatically.


At the top of the page you can select one of the discovered Wi-Fi networks or have Tasmota scan again. Enter your WiFi credentials:

WiFi Network - your Wi-Fi network name (SSID Selecting the desired network name from the list will enter it automatically in this field. SSID's are case sensitive

WiFi Password - password for your Wi-Fi network
Wi-Fi password has to be under 64 characters and without special characters (e.g. asterisks) or white spaces

Click the checkbox if you want to see the password you enter to ensure that it is correct. Click on Save to apply the settings. The device will try to connect to the network entered.

Tasmota AP

If it was successful, you will see this message:

Tasmota AP


Find the IP address of a new device in your network (in your Wi-Fi router list of connected devices). Also, you can find IP address in information from UART/COM serial terminal.


Relays & Buttons settings

Configuring of the relays and buttons in Tasmota interface.

Menu: Configure Module.


Update Firmware on ESP32R4

Download firmware pack: Google Drive

For update, the firmware of ESP32R4 use ESP32 Flash Download Tools: ESP Flash tool



September 8, 2021