1
vote
3answers
760 views

What do I need to drive a servo motor?

I'm using an Avr microcontroller and I've been wanting to build a simple robot, for some time now, from scratch. In every robotics project I have seen, seem to have a separate board driving the ...
7
votes
2answers
1k views

BLDC and three phase inverter

I want to run/control a BLDC motor from a DVD/CD-rom player and found a schematic how to do this, the so called three phase inverter (see right schematic on this page: ...
8
votes
5answers
8k views

Best way to control 75 LEDs with Arduino

I need to control 25 groups of 3 LEDs or 25 RGB LEDs. Each group will be dismissed from the uC by up to 20 cm (about 8 inches). 20 cm is very safe assumption but I think it will be 10 cm or less. ...