 | | Re: Lego-izing the Handyboard.
|
|
Mark -- I built a chassis for my robot that cradles the HB and clamps two Lego gear motors solidly in place. Check out this web page for photos: (URL) side of the chassis consists of two sixteen-unit beams, one on top of the other with two-unit (...) (25 years ago, 17-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Lego-izing the Handyboard.
|
|
I've mentioned this subject before here, but I never really got an answer that made much sense... Has anybody ever tried building a reasonable "LEGO-ish" container for the Handyboard? Ideally, that would be a sturdy enclosure that still provides (...) (25 years ago, 15-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Re: Using a 293B/293D combination
|
|
I read on this list over a year ago that you *can* piggyback the two different chips together and still get the spike protection from the L293D. It was explained that you don't need to piggyback two L293D chips, because one spike-protecting chip (...) (25 years ago, 15-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | OxOc register
|
|
I had short circuit my TOC3 with a 5V source once. i changed the processor and the board worked. but i noticed that whenever i downloaded the pcode.s19 file, it wants to set the OxOD register instead of the OxOc. i downloaded config0c.s19 from the (...) (25 years ago, 15-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Re: GP2D02 conversion
|
|
(...) Sorry for two messages about the same subject but after playing around a bit more with it I got better results. Here is the spreadsheet to calculate the constants to convert the GP2D02 output to centimeters: 0.1233 1.0320 9.3078 GP2D02 Actual (...) (25 years ago, 15-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Re: GP2D02 conversion
|
|
(...) Actually, the GP2DO2's output is not at all linear. Plotting the output against the actual distance will show an exponential curve. Each one is slightly different so what I do is to make up a little table in Excel like: 0,0 70,10 116,15 142,20 (...) (25 years ago, 14-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Using a 293B/293D combination
|
|
The HB FAQ mentions using the LM293B and LM293D chips in parallel (e.g., one L293D and one L293B) to gain increased current-carrying capability. My question is, if I do this am I losing the function of the spike-protecting diodes on the motor (...) (25 years ago, 14-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Fw: Whats Patrik Hui's Web adress?
|
|
Hello Alex, My web address is: (URL) Hui Robot Store (HK) patrick@robotstorehk.com (...) (25 years ago, 14-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Re: GP2D02 conversion
|
|
(...) You mean like value = 10 + ((70 * b) / 256) ? --Ben (25 years ago, 14-Jan-00, to lugnet.robotics.handyboard)
|
| |
| | Whats Patrik Hui's Web adress?
|
|
Hi What is Patrik Hui web address? thanx -roboman robotman5@hotmail.com (25 years ago, 13-Jan-00, to lugnet.robotics.handyboard)
|
