Is there any way I can used non-rechargeable batteries with the Handy board I'm trying to modify the board? Also by modify it would it create problem with the...
A couple of my students had the same problem with the newer boards that we had obtained. I suggest that you look into the following. There were two causes. ...
What caused it was a positive center Adapter plug, the HB requires a negative centered adapter. The Positive centered one will work fine through the interface...
The HB *does* have reverse-polarity protection when using the onboard power jack -- that's what diode D3 is for. R14 can overheat if the batteries are...
Hello everyone, Has anyone managed to get the Tamiya Twin-Motor gearbox to work with the Handyboard? I have a HB I got from Gleason Research about a year ago. ...
Hello Andrew, This is because the motor draws too much current when it starts up. Please follow the instruction on the following link to use separate motor ...
Hello, You just need to provide 8xAA batteries (alkaline etc...) to put them to a 8xAA battery holder. Then soldering the battery holder to +ve and -ve of...
Coming to RoboMaxx? You know, we built it around your responses to the questionair I sent out last year. You asked for lots of robotic related vendors, We...
Hi Patrick, Thanks for the advice. I looked at the directions for using an alternate power supply -- it seems pretty straightforward. However, I also have the...
Hello, On the HB Expansion board, J6 will be plugged on HB motor power connector. Soldering the separate motor power to J6. You can see there is +ve and -ve ...
The last time I messed with microprocessors, was 25 years ago when I was assembler programming 8080 (Processor Technology SOL-PC) & 6800 machines (SWTPC 6800,...
I was trying to resusitate an old HB and plugged the charger (wall wart) directly into the handy board. Now I know better. R14 cooked quite nicely. Thanks to...
Dear John, I recently revived a handyboard from its death and will share with you my experience. I am assisting with a robotics school as a coach this year and...
Dear, Hi, I am currently works on a wheeled mobile robot project. I need a 12v external power supply to power my 3 minimotors (12V & 4.2watt) since handyboard...
I am not sure what motors you are using. But my guess is that they might produce feedback current and high full load current which may reset the board. HB ...
Hi I have a expansion board in my handyboard, when I connect a servo to the expansion board and initialize with the IC command "init_expbd_servos(1)" the IC...
Hi everyone: I want to connect a ps/2 mouse with handyboard, and I was told that a UART is required. I don'tknow if handyboard has one. if yes, how do I use...
Can someone recommend a decent reed-relay? I haven't done digital design in over 20 years, so I'm behind the times in terms of product availability. I have a...
Hi John! If you want know how it works, you must see the datasheet of 68HC11A1. Bye! J.M.Sotelo ... De: "zzsun" <zzsun@...> Fecha: Martes, Octubre 22,...
Hai, I'am Rakesh, I presently working on building a robot with a sonar sensor on it. This robots is built for Map- Making. So, I installed my new polaroid 6500...
Hi, I have been trying to get my handyboard to track and follow a person, does anyone know where I can find a program that will do that? Thanks -Mike...
Hi, I am building a sumo robot and I have no previous experience in building robots.I am using the handy board.But I am confused about which moor controller to...
Mike, I tried to reply to the email you sent me, but it bounced back to me saying undeliverable. There is some sample code on the Acroname website for the...
Rakesh, The 6500 sonar purchased from acroname shouldn't require any additional Capacitors to be installed. Do you have the Expansion board that goes with the...