Those disks are actually “encoder wheels” and they can be used with an opto interrupter-based sensor to measure speed and distance travelled. I haven’t seen many instructions for using them with the robot car chassis so in this article (and the accompanying video) I’ll give you all the...
Snortimer11 years ago Yes and no. If you look up in the videos, you can see that there are three stepper drivers from Sparkfun (the three boards in Sparkfun red). This allows independent control for three axes, with a fairly severe limit on current. However, if you were to tie one...
The build-in timer of the Arduino is accurate enough, so you don't need a real time clock. Arduinos with ceramic resonators (as the Leonardo) have an error of about ±0.5%. [https://forum.arduino.cc/t/how-accurate-is-millis/183407/2]. This means in one hour = 3,600 seconds * ...
The build-in timer of the Arduino is accurate enough, so you don't need a real time clock. Arduinos with ceramic resonators (as the Leonardo) have an error of about ±0.5%. [https://forum.arduino.cc/t/how-accurate-is-millis/183407/2]. This means in one hour = 3,600 seconds * ...