 | | Need help -- connecting a 4x40 LCD
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Hi all, I need to connect a 4x40 LCD to the Handy Board. The "daughter board"(*) seems to contain the HD44780 controller and a 2x16 LCD. Ideally, we'd like to remove only the 2x16 LCD and replace it with a 4x40 LCD that supports the HD44780. Any (...) (28 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
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| | Replaced switch problem...
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Hi everyone, I hope you all are happy with each and every of your HANDYBOARDS, because I am not. I have just solved my RESET problem by changing the "tri-state bus controller" 74hc244 chip, I can RESET my HB by switching it off first, then on. This (...) (28 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
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| | Fred thanks it Works Great but serial comm(?!) trouble
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Fred, Thanks the Polaroid sensors work great. But I'm having trouble getting the two Handy Boards to commicate using Randy's routiine for the 6.270 board. I have one board print everything that it gets from the serial port. And I have another (...) (28 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
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| | RJ 11 data transfer to HB
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I was wondering if anybody knows how data is transfered through the RJ 11 modem cable to the Handyboard (i.e. the pin layout). My intention is to use this information to look for/ design a wireless link. Also, I would like to know if anyone has (...) (28 years ago, 3-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Running Assembly Programs
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BS (shahian), I have written a Machine code programming system, that I use for the Handyboards, in the microprocessor classes I lecture at this university. The Machine code programming system is similar to the Motorolla Buffalo Operating system for (...) (28 years ago, 3-Oct-98, to lugnet.robotics.handyboard)
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