McuBleTerminal is a simple and powerful BLE terminal app for ESP32 microcontrollers.
It allows you to view serial output such as print, println or printf wirelessly over Bluetooth Low Energy, without USB cables, WiFi or cloud services.
Perfect for debugging, logging, sensor output and simple command input directly from your smartphone.
The companion ESP32 library is designed as a drop in replacement for Serial and requires only minimal code changes.
A built in demo mode lets you try the app without any hardware.
The ESP32 library source code is available on GitHub:
https://github.com/dominik-ewers-solutions/MCU_BLE_Terminal
Features:
BLE based serial monitor
Send and receive text data
Line based command input
Terminal style user interface
Dark and light mode
Multi language support
Demo mode without ESP32
No account, no ads, no cloud.
Built for developers, makers and embedded projects.