5 replies
Feb '10

meringu

very tidy
very tidy

Feb '10

thegrue

I love it. Nice to see
I love it. Nice to see another Propeller based robot here.

Feb '10

geirandersen

Great to have inspired
Great to have inspired someone J<o:p></o:p>Your version dose much more than mine and looks great! I see you have a ‘heat rib’ on your motor controller chip. Where do they sell them? Mine gets really hot after running for a while.<o:p></o:p>Great Work !<o:p></o:p>

1 reply
Feb '10 ▶ geirandersen

gary

IC Chip Heat Sink

I have ordered a few from here:

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=HS179-ND

Just clip them on.

Feb '10

nmcclana

Thanks!

I got my heatsink from Jameco. Use a little thermal grease to improve heat transfer if it’s having problems. I added

I have to admit, using the prop almost feels like cheating - I just grabbed the h-bridge object from the obex, and all the available I/O made for a trivial circuit. I want to do something a little more taxing for the audio out though - reading the last chapter of the new Propeller book has got me thinking about voice synthesis.

@meringu - I tried to keep it as tidy as possible because I didn’t want anything to poke / break / zap / etc. I also wanted it to look ‘friendly’ and not like a nest of wires. It’s part of the way there, but there’s more I could do.