CircuitNexus Firmware Install Guide

Install your generated sketch on ESP32 / ESP8266 / Arduino.

Method 1 — Arduino IDE (recommended)

  1. Download the ZIP package from the CircuitNexus app (Firmware → Download Package).
  2. Extract the ZIP. Copy the CircuitNexus folder into Documents/Arduino/libraries/.
  3. Open the .ino sketch from the ZIP in Arduino IDE.
  4. Install board support: ESP32 or ESP8266 from Board Manager.
  5. Set your WiFi SSID/password in the sketch.
  6. Select the correct board and COM port, then click Upload.

Method 2 — OTA (ESP32 / ESP8266, device already online)

  1. Sign in to CircuitNexus (cloud sync required).
  2. In Arduino IDE: Sketch → Export compiled Binary to create a .bin file.
  3. In the app open Firmware → Select firmware .bin → Upload & Schedule OTA.
  4. The device checks for updates on boot and every 5 minutes via otaManifest.
  5. Device reboots automatically after a successful OTA flash.

Method 3 — Share to PC

  1. Use Share Package in the app to send the ZIP via email/Drive/WhatsApp.
  2. Install on your computer and upload with Arduino IDE or PlatformIO.

Device API: https://us-central1-arduino-projeler-ve-dersler.cloudfunctions.net/deviceRegister

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