Installing Custom Arduino Board

Prerequisites

• Arduino IDE 1.6.4 or later
• Working internet connection

Installation Steps

1. Open Arduino IDE

2. Navigate to Preferences

   • File > Preferences (Windows/Linux)
   • Arduino > Preferences (macOS)

3. Add Custom Board Manager URL

   • In "Additional Board Manager URLs" field, paste: https://raw.githubusercontent.com/Mister-Industries/arduino-board-index/refs/heads/main/package_iota_core_index.json
   • For multiple URLs, separate with commas

4. Open Board Manager

   • Tools > Board > Boards Manager

5. Install ESP32 Boards/Tools

   • Search for esp32
   • Select esp32 package (v3.1.1) by Espressif
   • Click "Install"

6. Install iotaCore Custom Board

   • Search for iotaCore
   • Select iotaCore ESP32 Boards package (v1.0.1) by MR.INDUSTRIES
   • Click "Install"

7. Select Board

   • Tools > Board > Select iotaCore ESP32-S3 No PSRAM
   • Make sure Upload Mode is set to UART0 / Hardware CDC
   • Make sure USB Mode is set to Hardware CDC and JTAG

Troubleshooting

• Verify URL is correct and accessible
• Check internet connection
• Restart Arduino IDE if installation fails
• Ensure you have the latest Arduino IDE version

Support

Send us an email at support@mr.industries or join our Discord for help!