Esp32 bluetooth control

redd app

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About this app

Elevate your DIY IoT projects with Button Fi, the most intuitive Bluetooth Low Energy (BLE) controller designed specifically for ESP32, ESP32-C3, and Arduino. Whether you are a maker, engineer, or student, manage your hardware with professional-grade precision.
Key Features:
Seamless BLE Connection: Fast and stable pairing with ESP32-C3 Mini and other Bluetooth LE modules.
Smart PWM Control: Adjust brightness or speed with a smooth slider (0-9 values).
Real-time Sensor Monitoring: Receive and parse JSON data from your hardware instantly.
Customizable UI: Add multiple devices, assign unique tags, and use custom icons for your setup.
Modern Design: Neumorphic Soft UI for a premium controlling experience.
Optimized for Makers:
Works perfectly with Arduino IDE and PlatformIO. Use our standardized JSON data model to monitor multiple sensors like LDR, DHT11, or Potentiometers in one single dashboard.


📶 WiFi & API Setup
Configure your ESP32's WiFi credentials and API key directly from the app via Bluetooth. No need to edit code — just connect, open the WiFi setup dialog, enter your SSID, password, and optional API key, and send. Your device will connect to your network instantly.

What’s new

A mini chart 📈 has been added to the main page for the sensors.