1. Download Arduino IDE

Arduino IDE is the easiest way to program ESP32 boards.

• Official Arduino IDE Download: https://www.arduino.cc/en/software
• Select Linux 64-bit for Ubuntu 22.04

2. Install ESP32 Board Support (Important)

1. Open Arduino IDE
2. Go to File → Preferences
3. Paste the following URL in Additional Board Manager URLs:
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
4. Click OK
5. Go to Tools → Board → Boards Manager
6. Search for ESP32
7. Click Install

3. Official ESP32 Downloads (ESP-IDF)

For advanced users and professional development.

• Espressif Official Downloads: https://www.espressif.com/en/support/download/all
• Includes ESP-IDF, tools, and flash utilities

4. Arduino ESP32 Core (Manual Download)

• GitHub Repository: https://github.com/espressif/arduino-esp32
• Releases Page: https://github.com/espressif/arduino-esp32/releases

5. USB Driver (If Board Not Detected)

Most ESP32 boards use CH340 or CP210x USB chips.

• CP210x Driver: Download CP210x
• CH340 Driver: Download CH340

https://espressif.github.io/arduino-esp32/package_esp32_index.json

6. Select Board & Upload Code

1. Connect ESP32 via USB
2. Go to Tools → Board → ESP32 Arduino
3. Select your board (e.g. ESP32 Dev Module)
4. Go to Tools → Port and select correct port
5. Click Upload