Introduction: PWM Arduino Fan Speed Controller
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About: I have a background in telecommunication and digital electronics and am very interested in computers and photography. I started to play with drones about 7 years ago.
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
Step 1: Part List
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 resistor
- 1pcs 1K ohm 0.5w resistor
- 1pcs 3mm Red LED
- 2pcs of 2 wire connector
- 2pcs JST 3-Pin Connector Plug
Step 2: Testing PWM Arduino Fan Speed Controller
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
Read more about this project on my DIY web site: PWM Arduino
