Raspberry Pi L298N motor controller
From wikiluntti
Introduction
RPi is powered by 5V, but on board it is reduced to GPIO 3.3V (GPIOs) and processors and memory (1.8V).
If needed to connect a 5V sensor to Pi, first reduce the 5V to 3.3V by using eg 2 resistors as voltage divider.
However, note that in the digital line the 1 bit is at __V.
L298N
Connections
Shared ground.
- L298N VCC → External 5-12V power supply (positive)
- L298N GND → Power supply ground AND Pi 5 ground pin
- L298N 5V → Pi 5 5V pin (only if using 12V motor supply)
Control Connections:
- L298N IN1 → Pi 5 GPIO 18
- L298N IN2 → Pi 5 GPIO 19
- L298N IN3 → Pi 5 GPIO 20
- L298N IN4 → Pi 5 GPIO 21
- L298N ENA → Pi 5 GPIO 12 (PWM)
- L298N ENB → Pi 5 GPIO 13 (PWM)
Motor Connections:
- OUT1/OUT2 → Motor A terminals
- OUT3/OUT4 → Motor B terminals
Python
Install the GPIO package
sudo apt install python3-rpi.gpio
