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Hex keypad   [3 Articles]

Could someone point me to a place to purchase a hex keypad that would be enclosed in a small plastic case, Making it a little more rugged? Thanks, A...

Keypad decoder   [4 Articles]

Hi all, Has anyone some samplecode to decode a keypad? Or to chack a pincode? Thanks, Frank [Non-text portions of this message have been removed] ...

using the ss: keypad port

im trying to use the ss: keypad port, does any one know if there are any special directions in hooking it up? ...

Keypad interfacing... still.   [3 Articles]

Okay, I understand why I have to use port b as an output to drive a signal to the columns of the keypad, and why I'm using port c as an input to get the informati...

Interfacing the HC11 with a disk drive and real time clock??   [3 Articles]

Hi All, Currently, I am work on a project were I am expected to interface the HC11 with an LCD screen, a keypad, a real time clock (RTC) and a floppy disk drive...

Interfacing   [16 Articles]

I'm working on a project that requires me to interface my microcontroller (the 68hc11e9) with a numerical keypad. What would be the best way to do this? ...

tone generator   [3 Articles]

I am looking for a program that would output different audio tones when pressing any of the numbers on the keypad. Any solution? ...

luck with pure software   [3 Articles]

Anyone here have luck interfacing the 68hc11 with a keypad with pure assembly code? (code written for both detecting and debouncing) ...

Keypad question (oh no!)   [5 Articles]

I tried interfacing my keypad using the 'scan rows and columns' method. I used PORTC and set PC0-PC3 (rows) as output pins, while PC4- PC7 (columns) as input pi...

Keypad question   [2 Articles]

Ellen, You are thinking of the ports as a "single register", which will lead to confusion when you are splitting port functions. I'd suggest you re-read the se...

how to interface flash memory card to 8051 microcontroller?

hi, Iam new to this proffession.I have some doublts to clearify.Plesase kindly show patience to read this mail. I want to interface 8051 family microcontrollers to flash m...

Re: student project

--- In , "Michael Pont" wrote: > Chris, > > How much experience have you got with the HC11? How much time do you have > for the proje...

Re: IRQ on adapt11

On Mon, 2005-03-21 at 18:40 +0000, fidjouss wrote: > I wrote a small program to test the IRQ interrupt. i am using edge > sensitive. Everytime i turn the switch ...

Re: student project

Chris, How much experience have you got with the HC11? How much time do you have for the project? Adding a keypad and an LCD, plus some switches gives you t...

Re: Re: student project

Sorry for the delayed response - this got lost in holiday e-mail. Suppose you want to build a simple cruise-control system (CCS). This is intended to keep the...

Obsoleteness of the HC11... (not quite)

Hi.. Folks comment on how the m68hc11 family is obsolete and shouldn't be used in new designs. Not everyone follows that rule, however. Meade ( www.meade.com ) makes a nu...

Re: student project

thank you very much for your reply. i have one question.How can we interface the LCD panel to the uC? i heard we can interface the LCD panel to the SPI port but mu...

Re: tekmos PRU   [3 Articles]

--- In m68HC11@m68H..., "Mark Schultz" wrote: > > --- In m68HC11@m68H..., "teejsd" wrote: > > > > Hello. I am a nontrad college punk out here in the ...