08M2 DiffDrive Bot

[erco]

Differential drive robot does a Figure 8. Uses two HXT900 servos modified for continuous rotation.

 

[erco]

Same bot line following an 8. One noteworthy feature is that it uses a single-pin sensor. Two old-school photocells form a voltage divider to give an analog signal read by an ADC. Sensor demo at https://www.youtube.com/watch?v=R23hDdp3gDo

 

[erco]

More details at https://www.youtube.com/watch?v=aMdjEUOm8kI https://www.youtube.com/watch?v=R23hDdp3gDo

 

[erco]

First four pages online at http://servo.texterity.com/servo/201601/?folio=36&pg=36#pg36