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Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less electronics.

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votes
1answer
I drew up this very crude diagram of the way I have this transistor working. I am sending 5v to the base using an Arduino but the LED's will not light up. They do light up a little when I touch with my finger anywhere on uninsulated wire though. Please tell me what I'm doing wrong here. …
asked Jun 6 '15 by Michael Rader
0
votes
3answers
I have a switch setup with a pull-up resistor. With the switch open I get a "1" or HIGH output and with the switch closed I get a "0" or LOW output. I understand why I am getting the "1" with it open …
asked Feb 23 '15 by Michael Rader
0
votes
2answers
I have a 12v battery powering two DC motors through an Arduino and motor controller. The 12v battery is also powering the Arduino using the VIN pin. Now I am trying to hook up two servo motors from … the same Arduino. The servo power supplies are connected together and go to the 5v pin of the Arduino. The grounds are also together and go to the Arduino ground pin. Both servos have a 100uf …
asked May 30 '15 by Michael Rader
0
votes
2answers
I bought these 50:1 gear motors for a project robot I'm building for this YouTube walkthrough series with a couple of Arduino's, two other servo motors, a motor controller and various hardware. The p …
asked May 29 '15 by Michael Rader
0
votes
2answers
I have an arduino kit (5v) and instead of just following their simple instructions I want to know why they are using certain resistors for their RGB LED's. The RGB LED that comes with this is …
asked Jan 6 '15 by Michael Rader