Matrix user forums

Hi Benj The project is a 24h clock. It has the option to set start time and stop time. The user will set the desirable amount of time and the clock will enable a relay contact during this set period of time. It has to be very accurate because if the user need the same time control every day the time...

Hello Benj I am seeking for the new quartz but all i can see at Digikey have tolerance starting from +/- 30ppm to =/- 50ppm and need capacitors 17-18pF Do you suggest anyone of them (see the Attached picture please)? I noticed that my Hp448 board has 10pF capacitors... may this be the reason i have ...

Thank you very much Bemj.

I will try other quartz to see the resault.

Hello Benj Thank you for your quick reply My Quartz is Raltron 3.2768Mhz I believe it is OK... If you are sure it is the quartz i will replace it. I need to know if i am doing something wrong with flowcode or it is the quartz the problem I forgot to mention that i use Flowcode V5 Professional and i ...

Hi to all My name is Panayotis, i am building a clock using Hp-488 board. I am using 32.768 crystal and print time every second on the boards lcd screen. I used Medelec (Thanks for the great XL file) int time calculator as a guide to produce the one second measurement. When i test the project runnin...

Hello K-gallery. Most of the 125KHz readers use Wiegand 26 protocol to output rf-id card or tag data. To handle these data using a microcontroller you have to use 3 wire (GND, DATA0, DATA1): 0's are impulses on DATA0 line 1's are impulses on DATA1 line data bits are prefixed and postfixed with parit...

Hello... My name is Panayotis, I would like to Localize (Translate) flowcode in Greek. i saw your demo and i thing is excellent. I am the editor of Pic in Greek hosted at Electronics-lab ( http://www.electronics-lab.com/pic-in-greek/index.html ). a free Greek training coarce for Pic Micros and the G...