Search found 4 matches
- Mon Jan 20, 2003 8:20 am
- Forum: General Discussion
- Topic: is there a tree of knowldege for the woefully ignorant s
- Replies: 8
- Views: 4409
Re: is there a tree of knowldege for the woefully ignorant s
As far as project with your son I would suggest some of the robot kits from a source like Robot Store My son is 10 and we have done many of the kits. He still has fond memories of building his solar racer when he was 7. Some of the kits have the electronics preassembled and all you need is a screwdr...
- Wed Dec 18, 2002 7:32 am
- Forum: General Discussion
- Topic: Hollywood tracker beacon?
- Replies: 9
- Views: 5392
Re: Hollywood tracker beacon?
A more advanced tracking device would sit in a low power mode and just be a receiver until a modulated signal is received and then respond with a know signal/tone/data. This would reduce power draw on the tracking device and also not violate FCC regs as it would not be a transmitter unless pinged.
Re: Brain kit
This was a very interesting thread. From first looking at it it seems like you have some low level beam electronic building blocks. Some stimilus/response building nodes. Interesting but to be useable it would utilize quite a few of these to get a fairly decent reaction that is useful. You could mos...
- Fri Oct 18, 2002 9:22 am
- Forum: Robotics
- Topic: Hacking old 5 1/4" Floppy drive servo (spindle) mot
- Replies: 1
- Views: 3066
Re: Hacking old 5 1/4" Floppy drive servo (spindle) mot
I would either pulse the motor_on pin on the floppy or tie it high and use an H-Bridge to pulse the 12V power. That should give you variable speed depending on the pulse width.