![Build a very cheap linear LED driver and plug it to Arduino - Projects & Stories - SmartThings Community Build a very cheap linear LED driver and plug it to Arduino - Projects & Stories - SmartThings Community](https://aws1.discourse-cdn.com/smartthings/original/3X/b/c/bce93a52177a04d0b6e8d7b7343900652b98858a.png)
Build a very cheap linear LED driver and plug it to Arduino - Projects & Stories - SmartThings Community
![DC 3-6V 0.03-1.5A LED Driver Constant Current Adjustable Module PWM Control Board for Arduino UNO MEGA2560 Breadboard PIC ARM [LD06AJSA] - USD $1.99 : canton-electronics.com DC 3-6V 0.03-1.5A LED Driver Constant Current Adjustable Module PWM Control Board for Arduino UNO MEGA2560 Breadboard PIC ARM [LD06AJSA] - USD $1.99 : canton-electronics.com](http://www.canton-electronics.com/images/LD06AJSA.jpg)
DC 3-6V 0.03-1.5A LED Driver Constant Current Adjustable Module PWM Control Board for Arduino UNO MEGA2560 Breadboard PIC ARM [LD06AJSA] - USD $1.99 : canton-electronics.com
![led - Problem with arduino controlled constant current supply with MOSFET/NPN - Electrical Engineering Stack Exchange led - Problem with arduino controlled constant current supply with MOSFET/NPN - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/xZ8zf.png)