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 ...

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 ...

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 ...

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 ...

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 ...

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 ...