 | | Sharp GP2D02 with out expansion board
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Handyboard Community, Has anyone written code for the GP2D02 sensor without the expansion board. I have a group of High school kids that have KISS institute robot kits. This kit comes with a handyboard and LEGO's but no expansion board. Being on a (...) (25 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | need a text editor
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What text editors do you guys use to write your IC code? I am on a Windows98 machine and having a real hard time finding one that doesn't add all of the extra formatting. Or is there an option that I am missing that I can turn the formatting off? (...) (25 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Re: UK Suppliers
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(...) If you're prepared to mail order, you can get all the Handyboard stuff from the Robot Store, Hong Kong,www.robotstorehk.com I've found Patrick Hui to be most helpful and dependable. -- C S Soh (URL) where air is power (25 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Interfacing 2 Ultrasonic Modules onto one HB?
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Hello, I also would like to see a example of the sonars and expansion board hook-up. I also have a vector 2x compass module that was connected and working before the expansion board was added. Is it possible to connect the sonar and compass to the (...) (25 years ago, 17-Oct-99, to lugnet.robotics.handyboard)
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| | Interfacing 2 Ultrasonic Modules onto one HB?
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I am trying to interface two Polaroid 6500 ultrasonic ranging modules onto one HB to simplify my project. I know this has been done and it is probably very easy but I am not an electrical engineering expert and cannot figure it out. I have two (...) (25 years ago, 17-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Data acquisition through analog input
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Mr. Han, I think you can try to transmit the data through radio frequency transmitter to the receiver which is connected to the PC. I have tried this but it is digital data and not analog. Thanks, Wil. ----- Original Message ----- From: Chul Hun,Han (...) (25 years ago, 16-Oct-99, to lugnet.robotics.handyboard)
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| | UK Suppliers
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Can anyone help me? I'm looking for a UK supplier for the Handyboard, either as a kit or complete. I would also like some advice about how I could integrate the Handyboard into a A-Level physic department. I'm interesting in introducing robotics (...) (25 years ago, 16-Oct-99, to lugnet.robotics.handyboard)
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| | Re: interfacing the GP2D12
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Thats great Gary, This was the same conclusion that I'd come to myself, however I've now run into another problem with the otherwise brilliant 'D12 sensor. I'm currently using the Digitalker speech system from Jameco, and when the 'D12 is plugged in (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | A java tool for real-time talking with people reading the same webpage.
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Hi, There is a java software called Wander at (URL) simply dragging and dropping a URL address or a Link to Wander window, you can see and talk to all the people who reading the same webpage right now. It is a good tool for on-line talking, (...) (25 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Start_process problem
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alex, each of your processes must be an indefinite loop. otherwise starting them up via start_process just runs through once. so, e.g.: void checkir() { while (1) { if (digital(4)) { /* go backward for some time */ /* turn a little */ /* go forward (...) (25 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | re: start_process problem
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My suggestion is to double check that you double check the simple things withing the code (your code should be executing an infinite loop) while(1) { code .... } If the code is more complex and involves external assembly modules, check that they (...) (25 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Data acquisition through analog input
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: base64 Content-Length: 297 2. Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: base64 Content-Length: 1408 (25 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Start_process problem
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Hi When I try to start a process , the code downloads fine , it runs on the board with no errors but it only excutes the first proceess once and none of the others. void main() { start_process(fwrd()); start_process(checkir()); (...) (25 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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I think you win the prize for the best solution Giang! - Nick - (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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What about this idea? Cut the motor trace as per on Fred's website....than desolder the motor power header (the one that plug into the Handy board) on the expansion board and flip the header upward and resolder it to the expansion board. Then reuse (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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That is the same thing, except much easier. Plus we save donut money. However, we'd have to look at the effect of 7 volts reverse bias on the motor LED's. Plus, we'd have to make real sure not to short the bent pin 8 to the socket underneath it. (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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Great solution Gary! How about just pulling the L293D/SN754410 from the U11 socket, bending pin-8 out and soldering the REALLY BIG battery positive lead to it, then soldering the negative lead to pin-1 without bending it out, and then reinstalling (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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This was explained a week or two ago here on the list server. Check back and you'll find out what traces to cut, etc. However, I have found another way that is very simple, and does not require you to make difficult-to-fix cuts on your boards. Just (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | NEW POWER SUPPLY
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I NEED TO KNOW THE EXACT STEPS TO CONNECT A NEW MOTOR POWER SUPPLY TO THE HANDYBOARD WHILE IS HAS THE EXTENSION BOARD CONNECTED TO IT. IT'S TO MY UNDERSTANDING THAT THE EXTENSION BOARD SHARES THE SAME SLOT AS THE NEW MOTOR POWER SUPPLY, IS THE ANY (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | More Motor Controller Question
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Thanks Fred. That got me going in the right direction. But...... When I poke a value into $7000 I can see the corresponding input pin on the l293 react. But it will not stay in the position that I set it to. It will return back to the initial state (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Upgading HB to 64K
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Please follow the link bellow if you are interested in upgrading memory on your HandyBoard to 64KB. Note that this upgrade is currently being tested only on HB running the Java VM. (URL) Gasparik (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | interfacing the GP2D12
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Somebody asked the other day about a problem interfacing the Sharp GP2D12. I didn't see an answer, and I just did it myself and solved the problem, so here is how to do it. For those who don't know, Sharp just came out with an IR ranging sensor good (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | HandyBoard and Mini SSC-II
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HiHi, I am a final year student in HongKong, I'm now trying to build a 6-legged robot, with 2 servos per leg. I would like to use the Handyboard interfacing with 2 Mini SSC-II servo controller, but since I am a new player in robotics, I do not know (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | PWM on tic3
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Hi, I want to get the width of a PWM on TIC3 Channel, I wrote an .asm but it doesn't work, I don't know what's wrong? I need your help. Thanks in advance. Said. Here is the .asm program: #include "c:\pcode\include\6811regs.asm" * program equates * (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motor Controller Question
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bruce, for the HB you need to write data to $7000 to control the motors. see appendix B of the 6.270 manual at (URL) also the HB FAQ (URL) your message you said: (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Motor Controller Question
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From what I could figure out from the literature on the HB, the motor controller circuit is controlled by Port B on the 6811. With a little tinkerin last nite I was trying to set/reset some of the pins poking values into $1004 (Got this from "An (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Error at address 0x0000
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Hi, That error message is actually to do with a fault in the Borland Delphi code for serial transfer, NOT a fault with the HandyBoard! (I use the same Delphi code in my HandyBoard terminal program as the program HBDL). It appears to manily occur on (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Stepper Motors
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(URL) the interactive c page .-----Original Message----- .From: T.C. [mailto:dab8rs_85@yahoo.com] .Sent: Monday, October 11, 1999 3:49 PM .To: handyboard@media.mit.edu .Subject: Stepper Motors . . .Can anyone give me a sample program on how to (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | IR sensor for Program download to HandyBoard ??
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Hi , I am new to Handyboard and have these IR questions. Can the IR sensor be used to download programs to the HandyBoard? my idea is to dynamically load programs to the handyboard using IR communication . or Can RF communication be used? Is is (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Error at address 0x0000
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Hello, i have the same problem with the Error at address 0x0000. First i checked the hardware (Ram,Latch...) but i cant't find a bug. In the archive i found this message that descibe a softwarebug on faster machines. But i tested HBDL with a P133 (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | Stepper Motors
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Can anyone give me a sample program on how to control a stepper motor and were is a good place to but some that work good with the handy board. TIM ===== (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard/ USB interface
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i have tested several of these with Macintosh. I haven't tested any with PC, but i assume they should work. see (URL) for info on the Mac solutions. f. In your message you said: (...) d (...) (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | Handyboard/ USB interface
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I have heard of USB to RS232 adapters- I was wondering if anyone has had any luck in using these devices to connect to the Handyboard? I recently purchased a new computer, but it only has 4 USB ports, and no RS232 ports!. (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | RE: LM35 Again
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Hi, Like an update to my prior email, I have tested the LM35 with an external power source, with the same bad result. Any help will be welcome. Thank You José Luis ----- Original Message ----- From: Jose Luis <hal9000@cvtci.com.ar> To: (...) (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | someone looking for gearbox???
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someone was asking about a gearbox for a project ` while surfing tonight I came across this I hope it is what you need <A HREF="(URL)Gearbox with motor</A> (URL) (25 years ago, 10-Oct-99, to lugnet.robotics.handyboard)
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| | IR reflective sensors and Polaroid 6500 w/Expansion Board
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With the QRB1114 IR reflective sensors does the sensor need voltage supplied or is that just for the transmitter? Because all I am using them for right now is to detect infrared light. Also does the expansion board take up the connectors on the HB (...) (25 years ago, 10-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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Tim, Check out www.acroname.com. They have motors there that are a little slow, but are geared DC and run with the HandyBoard 9.6 volts. Use larger wheels to get more speed, or...... If you want the motors to be faster, you can pull one of the L293D (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | RF transceiver
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Hi , I am a handyboard user and I am trying to build a tele-robot. I am using the transmitter and receiver from Glolab. I have fix up a pair of transceiver namely "A" and "B" (with TM1V and RM1V) as guided in "How Encoders and Decoders work" using (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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no doubt Micro Mo motors are sweet, but if the project is on a hobby budget, also consider: All Electronics -An electronics surplus company with a decent selection of motors and lots of other neat gadgets for robot building. This will be among the (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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Try Micro Mo, they have high quality motors and gearheads. They can be pricy if (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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