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Dagu encoder kit

Adding encoders to those cheap yellow motors

By admin on 07/11/2013

My little Ebay bot is powered by 2 cheap DC geared motors. These yellow geared DC motors are very popular. Lots of cheap robot kits use them. I bought mine on Ebay and used double sided tape to stick them to the chassis of the robot. I had one annoying problem with the cheapo motors. […]

Posted in Arduino sketches | Tagged encoder, pwm | 7 Responses

Arduino pwm frequency

Arduino pwm frequency

By admin on 30/05/2013

While playing with a couple of H-bridges one motor had more torque then the other. Although the voltage going to both motors was the same. The reason was that I was using 2 pins with different pwm frequencies. I had read that not all the pwm pins had the same frequency but couldn’t find a […]

Posted in Arduino | Tagged pwm | 3 Responses

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