 | | Cannot download pcode on a Mac G3
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Hello everyone, I've been having a problem downloading pcode to a handyboard or rugwarrior board from my Mac G3 (266 Mhz desktop model). When I try to download the bootstrap code, it reports that the bootstrap failed after 000 bytes, etc.. etc... (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Controlling a DC motor 3
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Thank your for all your replies, I understand what 's going on now Another question about the motor driver is: Q) The PWM is a sequence of pulses switching on & off the H-Bridge. But what should be the rate of PWM? 1000Hz?? why? what does the rate (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | LCD Addressing - & - Expanded Mode
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Two questions: 1) I'm having a little trouble figuring out how the LCD is addressed. It uses A8 and A8 but also is clocked from Port A. Can someone explain how to properly address the LCD using ASM? 2) The Mode B pin is always grounded. How does the (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | recharging a battery the right way
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hello I have a 6v 2.0amp battery. Its a lead acid battery. What is the right way to recharge it? The reason I ask is because I had a 12v 7amp battery from the same manyfacturer. I charged it using a car battery charger at the lowest setting (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Polarity of PowerJack from HB und Charger Board
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Hi I am wondering about the Polarity of the Power Jack at the Handyboard and the charger board. At the HB the Pin in the middle is ground. At the charger board the outside Ring is ground.Can anybody tell me why it is different ? Thanks (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | IC communication problem
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Hello, Lately I am having problems communicating with the handyboard after it is reset. I can download the pcode_hb.s19 file using hbdl.exe downloader. When the Handyboard is reset by toggling the power switch, the following is observed. 1st symptom (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | whoops, wrong test program
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Attached to this message is the test program and S19 file for the LCD code. --Chuck (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | My LCD driver
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Attached to this message is the LCD driver I wrote for the Handyboard written using ICC11. Feel free to use it. Some notes on it: The driver is designed to operate asynchronously. This is because the LCD can take several milliseconds to complete its (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Controlling a DC motor 2
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Hi again, I think i should change my previous question to the following. Is there any alternatives to control a DC motor motion (speed, direction etc) without using a motor driver? how? please explain briefly. Thank you for your replies. (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Handy Board problem
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I was wondering if anyone knows where I could purchase the Sharp Is1U60 IR detector. I have looked for it, however none of the distributors I have checked with even carry it. I tried Digikey, Mouser Electronics, JDR, Jameco, BG Micro, and others. (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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