keypad-firmware
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TANC-security
ECP keypad implementation for Arduino/AVR
I have always wanted to create a virtual keypad for my Honeywell Vista 20P alarm system that would allow me to monitor it and program it using a computer. I...
Forgive me this backhanded way of contacting you, but I have a question and this is the only way I could think of. The short version of the question is...
F7 CRC
Has anyone determined the algorithm for computing F7 message CRCs? It doesn't appear to be the same as is used for the messages sent from the keypad. Also, it appears...
I'm looking to integrate with a [Honeywell Vista 20p][1], and I'd like to purchase an arduino to use this firmware with. The [micro][2], is the smallest, least expensive model, but...
On occasion the Serial.read() on my network arduino would get overlapping messages from the Alarm Panel arduino on the Serial.println() when the display message and the status message were really...
Attached file is a recomended update to the INO from the May 21st file posted. - Added (F to every Seriel.print strings possible. - Added a #ifdef DEBUG around the...