In this venture, I created a unique exposure box designed for photolithography-based PCB manufacturing. The exposure light stems from a 20W LED floodlight, originally designed for outdoor use, but its slim profile makes it an excellent choice for my exposure box. The electronic components run on an existing power supply…
Tag: pwm
Tutorials on Pulse Width Modulation (PWM) for controlling motors, LEDs, and electronics.
DC Motor Speed Control & IR Tachometer
This project demonstrates a two-part approach to DC motor control, using two separate microcontrollers (MCUs) to handle both speed regulation and measurement. The first MCU controls the motor speed through Pulse Width Modulation (PWM), adjusting it as needed. The second MCU measures the resulting speed. What makes this setup interesting…