Support Make:
Join Make: Community Today
Join Make: Community Today
The Solar Roller move forward with bursts of energy, while the Symet spins around on its DC motor’s axle. Watch the video below to see both these vehicle being built and in action, then head over to the project page to start making your own BEAM critters!
More:
See all of the Weekend Projects posts
6 thoughts on “Build a Fun Solar Roller or Symet BEAM Bot This Weekend”
Comments are closed.
ADVERTISEMENT
Support Make:
Join Make: Community Today
Join Make: Community Today
The wrong parts are listed in the video and on the project page. It should be a a 2N3904 and a 2N3906. Not two 2N3904. You need an NPN and a PNP transistor to work.
hi Tony – Thanks for spotting that, we apologize for the video fubar. However on the project page I do see links to both NPNs and PNPs, 2N3904s and 2N3906s respectively (the PNP 2N3906 at the top of the second column of parts). The “(2)” quantity is simply to inform the maker that they’ll need two of each, in order to make one Solar Roller AND one Symet – hope that makes sense. Let me know if you’re still seeing something different.
[…] understand the concepts of how components work (caps, resistors, etc). The cars are based on this: http://blog.makezine.com/2012/05/03/…-this-weekend/ That project isn't very exciting though because the vehicle barely moves. When the caps discharge, […]