esp8266

 

1. Install ESP8266 Board Support in Arduino IDE

1. Open Arduino IDE.
2. Go to File → Preferences.
3. In the "Additional Board Manager URLs" field, add the following URL:

   bash
   https://arduino.esp8266.com/stable/package_esp8266com_index.json
   

4. Click OK.

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2. Install ESP8266 Board Package

1. Go to Tools → Board → Boards Manager.
2. In the search bar, type ESP8266.
3. Select "ESP8266 by ESP8266 Community" and click Install.
4. Wait for the installation to complete.

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3. Select the Wemos D1 Board

1. Go to Tools → Board.
2. Scroll down and select "LOLIN (WEMOS) D1 R2 & mini".

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4. Select the Correct Port

1. Connect your Wemos D1 board to your PC using a Micro-USB cable.
2. Go to Tools → Port and select the correct COM port (e.g., COM3, COM4, etc.).
   • If no port is visible, install the CH340 USB Driver Download here.

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5. Upload a Test Sketch

Upload the following simple sketch to test if the board is working:

cpp
void setup() {
  Serial.begin(115200);
  Serial.println("Wemos D1 WiFi Board is ready!");
}

void loop() {
}

1. Click Verify (✓) to compile.
2. Click Upload (→) to send the code to the board.
3. Open Serial Monitor (Tools → Serial Monitor) and set the baud rate to 115200.
4. You should see:

   arduino
   Wemos D1 WiFi Board is ready!