 | | 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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