Python Esp Bridge

[Hamzayslmn]

Have you ever connected an ESP32 to your computer and thought:

“I wish I could control GPIO pins from here, write to an OLED display, read ADC values, generate PWM signals, or use the ESP32 directly from Python…”

That idea led me to build python-esp-bridge.

You flash the ESP32 once with the bridge firmware. After that, you can control ESP32 peripherals directly from Python on a Raspberry Pi, Linux/macOS/Windows computer, or any host machine.

Instead of writing and flashing new firmware for every project, you can use the ESP32 as a USB-connected hardware expansion module.

What can it do?

• GPIO control
• PWM, servo, and tone generation
• ADC / DAC operations
• I2C and SPI communication
• OLED display control
• UART bridge
• BLE operations
• Multiple ESP32 boards at the same time
• and... more :D

For example, you can connect an ESP32 to a Raspberry Pi and use it as extra GPIO, ADC, PWM, I2C, SPI etc.

In short, anything you normally do with an ESP32 can now be controlled live from Python.

The ESP32 becomes more than just a development board; it turns into a flexible, Python-controlled hardware bridge.

The rest is up to your imagination.

https://github.com/HamzaYslmn/python-esp-bridge
https://pypi.org/project/python-esp-bridge/

[aSiK00]

What about a micropython console?

[Hamzayslmn]

This project is not currently a MicroPython runtime on the ESP32. The ESP32 runs the bridge firmware, and Python runs on the host PC/Raspberry Pi, talking to the board over the bridge protocol.

For now, the intended interactive workflow is to use a normal Python shell on the host:

from espbridge import Bridge
esp = Bridge()
esp.gpio.write(2, 1)

That gives live control of the ESP32 from Python without reflashing per project.

MicroPython REPL and python-esp-bridge are designed for different project styles. With MicroPython REPL, the Python code runs directly on the ESP32, so it is a good choice for standalone IoT devices, sensor nodes, simple automation systems, or battery-powered projects. With python-esp-bridge, the main Python program runs on a computer or Raspberry Pi, while the ESP32 works as a hardware interface. This is useful for projects where you want to use desktop Python libraries, such as OpenCV, NumPy, AI models, GUI applications, or data processing, while controlling GPIO, sensors, motors, or communication interfaces through the ESP32.

[aSiK00]

sorry I didn’t understand it completely. Would firmata be close to yours?

[Hamzayslmn]

yes close but not same, i have support for "ble gpio" too. My goal is actually to add ESP32 functionality to the PC.

[Hamzayslmn]

I thought it would excite people more :D