 | | Re: HB controlling robot.
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(...) without (...) Really simple. 1. Write code using Interactive C 2. Download code to Handyboard 3. Either run main() from IC or reset the board (cycle power) 4. Unplug the cable between board and PC Congratulations, your robot is now running (...) (26 years ago, 25-Sep-98, to lugnet.robotics.handyboard)
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| | [Sensors Inputs]
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Hello all, i'm developing my MicroMouse robot with the HandyBoard and i was thinking about having 12 IR analog sensors (from Quality Technologies - QRD 1114). However, the HB suports only 7 analog input sensors. So, is there any way that i can use (...) (26 years ago, 25-Sep-98, to lugnet.robotics.handyboard)
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| | HB controlling robot.
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Dear all, I just obtained a HB and I would like it to control my robot. This is the situation: The robot is currently functioning ok and it is controlled by a 16-bit microcontroller, all the motions can be controlled simply by giving it a command (...) (26 years ago, 25-Sep-98, to lugnet.robotics.handyboard)
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| | Re: fred please help
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1. when you say "lights stay on," are you specifically referring to the SER and PWR LEDs by the two buttons? because the motor LEDs may be on or off, it doesn't matter, before the bootstrap download. 2. assuming yes, you are talking about SER and (...) (26 years ago, 25-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Motor Output
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REF: PWM control of 4A, 12 VDC motors with an LMD18200-based H-bridge HandyBoard Greetings, Two LMD18200s apparently can be 'bridged', being then capable of currents of 6A (average) and 12 A (peak). This information is based on specifications (...) (26 years ago, 25-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Motor Output
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(...) hehehe!! Have you ever tried to do PWM with a relay? ;) Sounds like a buzzer... and is not quite healthy for the relay... Use LMD18200!!... altrough they are limited to 3A with a 5A peak... Can somebody tell us if we can put two LMD18200 in (...) (26 years ago, 24-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Motor Output
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(...) The solution is really simple. All you have to do is run the power from the motor outputs to a relay. This relay will activate another circuit (an automatic switch with power detected from motor outputs)which has your 12DC 4A motors AND it's (...) (26 years ago, 24-Sep-98, to lugnet.robotics.handyboard)
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| | fred please help
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I just bought a pre-assembled Handyboard. And I am about to explore it. Already I am having problems. I am trying to go into the bootstrap download mode as described in the manual, but it doesnt work. I turn off the handy board, hold down the STOP (...) (26 years ago, 24-Sep-98, to lugnet.robotics.handyboard)
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| | Motor Output
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Dear All, I've problem trying to power 12V 4A DC motors directly from HB. 1) Has anyone try this (4A) with TI SN754410 (piggy back them) ? 2) How do I connect the external diode to L298 ? Regards, keong :-) (26 years ago, 24-Sep-98, to lugnet.robotics.handyboard)
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| | multitasking, and sonar sensors
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I've read through the maunual for the Handy Board, and I am aware that the handy board has multitasking capabilities. The manual says that the function: start_process(...) is the function to use to have the handy board multitask. WHERE is this (...) (26 years ago, 23-Sep-98, to lugnet.robotics.handyboard)
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| | PID control
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Hello. I am looking at using my Handyboard to do PID control of a motor, with the feedback coming from one of the analog inputs. From what I understand, tuning the control is the most difficult part. Has anyone tried this with the Handyboard, have (...) (26 years ago, 23-Sep-98, to lugnet.robotics.handyboard)
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| | Fire fighting robots
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I'm doing a project for school. I'm buiding a fire fighting robot and I need to do research on what other people have done in the past with fire fighting robots. For example the Trinity College contest, if there's a URL please E-Mail it to the list. (...) (26 years ago, 23-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Digital Output
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Check out: (URL) Hoffmann E-Mail jhoffman@it.sait.ab.ca (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | (no subject)
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Synchronizing with board Pcode version 3.10 present on board Loading C:\IC 3.2\libs\lib_hb.lis. Loading C:\IC 3.2\libs\lib_hb.c. Initializing interrupts Downloading 1175 bytes (addresses 8000-8496): 1175 loaded Downloading 70 bytes (addresses (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Serial input
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The problem is that I am already using the console port to communicate to a pc. What I would like is to have one or more devices communicate back to the handyboard then the handyboard communicate to the pc. On the home page there is link to "9600 (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Serial input
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the only easy way to get a serial input is to take over the console port used by IC. this isn't hard to do, but you lose the ability to interact with the board via IC while your board is running your code which is tlaking to the alternate serial (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Digital Output
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Hi, I am working on a totally autonomous sumo wrestling robot, using the HB as its brain. I have interfaced sensors to it, and even designed a high current motor driver circuit to directly interface to the existing L293D inputs (Info available on (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Serial input
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I am working on a project that requires serial output devices, I would like to connect these to the digital inputs. Is there anyone that has some routines (preferably ic funtions) that I could have that do this. Is there a way to use the SPI port to (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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| | help!
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Dear hb-fans, I'm currently trying to use the handy board to run a 12-legged robot. I've tried to power the motors directly from the hb motor output but apparently the current supplied is too low. Is there any simple method of powering my motor and (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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| | newbie needs help.
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I just bought a pre-assembled Handyboard. And I am about to explore it. Already I am having problems. I am trying to go into the bootstrap download mode as described in the manual, but it doesnt work. I turn off the handy board, hold down the STOP (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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