Index
What is MicroPython?
MicroPython is a lightweight version of Python 3 that runs on microcontrollers like:
- ESP32
- ESP8266
- Raspberry Pi Pico
- STM32, and more.
It lets you control hardware using Python, making embedded programming more beginner-friendly and fun compared to C or C++.
Why use MicroPython?
| Feature | Benefit |
|---|---|
| β Python-based | Easy to learn and write |
| β Lightweight | Designed for low-memory microcontrollers |
| β Interactive | You can test commands live using the REPL |
| β Cross-platform | Runs on many microcontroller boards |
| β Fast prototyping | Great for beginners, makers, and IoT projects |
What Can MicroPython Do?
With MicroPython, you can:
- Blink LEDs
- Read sensors (temperature, motion, light, etc.)
- Control motors, buzzers, and relays
- Build web servers (Wi-Fi enabled boards like ESP32)
- Store data in files or memory
- Communicate with other devices (I2C, SPI, UART)
Simple Example:
Hereβs a basic LED blink program in MicroPython:
from machine import Pin
from time import sleep
led = Pin(2, Pin.OUT) # Use GPIO2 (common onboard LED pin)
while True:
led.on()
sleep(1)
led.off()
sleep(1)
π‘ This code turns an LED on and off every second.
π¦ Tools You Use With MicroPython
| Tool | Use |
|---|---|
| Thonny IDE | Simple Python IDE with MicroPython support |
| uPyCraft | Lightweight IDE for MicroPython |
| esptool.py | For flashing firmware |
| WebREPL | Remote access over Wi-Fi |
π Key Concepts
- REPL: Read-Eval-Print Loop β test code live.
- Flash: Install firmware onto your board.
- GPIO: General Purpose Input Output β control pins.
- Libraries: MicroPython has built-in and custom modules.
π― Summary
MicroPython = Python + Hardware Control
It’s perfect for:
- Students learning coding and electronics
- Quick prototyping of IoT projects
- Makers and hobbyists
- Teaching real-time systems with ease