If you're looking for a reliable and efficient speed controller for your DC motor, look no further than the 4 Régulateur de vitesse PWM. This versatile device can handle a wide range of input voltages, from 3V all the way up to 35V, making it suitable for a variety of applications. With its PWM control function, you'll be able to adjust the speed of your motor with ease, ensuring smooth and precise operation. Additionally, the built-in interrupt function adds an extra layer of safety and control, allowing you to quickly stop the motor when needed. Whether you're a hobbyist or a professional engineer, this PWM speed controller is a must-have for your electronic projects.