With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Simple dual channel PWM Arduino fan speed controller shield You can download the pcb an sch (made with expresspcb) from my website (download section): http://www.apcc.tk
Part list: - 3.5cm x 6cm single sided PCB - 2pcs BD139 Power transistor - 2pcs N4001 diode - 1pcs LTV 826 2 channel Optocoupler - 2pcs 10K ohm resistor - 2pcs 220 ohm 0.5w ...
With this simple arduino shield also you can driver 3 watt power leds. Read more about this project on my DIY web site: PWM Arduino
Computer Fan Speed Modifier (in Under 30 Minutes)by briccrafts
DIY hovercraftby NicJorson
Attiny25/45/85 PWM generator and Servo tester! Updated Code!by Jan_Henrik
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.