How to drive a 12V LED strip with a microcontroller
horaz
Introduction It's common task you have to control a 12V LED strip (consuming more than some milliamps) using a 5V/3.3V signal from a microcontroller. It is not possible to drive…
How to control a 12 volts DC motor (or solenoid) from your Raspberry Pi
Introduction Raspberry Pi GPIO pins work at 3.3 volts and the current you can draw from them is quite limited for many applications (16 mA - 50 mA). An external power…
Arduino controlling a servo: Are you supplying enough power?
Finding information about how to control a servo through Arduino boards is pretty easy. There are many resources on the web on this regard. However, I find that proper emphasis about how…