How to factory reset Arduino Uno R4 wifi?
Jun 17, 2025 · 2 min read · To factory reset the Arduino Uno R4 WiFi, you can reset both the microcontroller (RA4M1) and the ESP32-S3 (used for Wi-Fi/Bluetooth). Here’s how to fully reset it: 🛠️ 1. Factory Reset the ESP32-S3 (Wi-Fi Module) The ESP32 on the Uno R4 WiFi stores ...
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