This is yet another project born of necessity. It’s a simple circuit, but does exactly what it’s designed to do – dim LED lights or control the speed of 12V DC motors. The circuit uses PWM to regulate ...

The TC648B is a PWM fan speed controller with auto-shutdown, fan restart, and FanSense™ technology for fault detection. The device features over-temperature indication, efficient PWM drive, and it ...

Abstract: A DC motor PWM speed controller based on 16-bit super capability single-chip microcomputer 80C196KC is presented. The practical application shows that the system has a simple structure and ...

A practical electronics build that combines a regulated dual ±12 V power supply with a 555‑timer PWM DC motor speed controller using an L293D H‑bridge. Ideal for labs, robotics, and analog experiments ...

Abstract: The article introduces simple and low cost PWM speed controller for the fractional power AC motors (less than 500 W). Variable speed settings are normally required to match the load ...

This repository implements a fan speed controller for a PWM fan connected to an Orange Pi 5 SBC. The controller runs as a long-running service which enables a PWM pin, periodically checks the SoC ...