[time-nuts] Digital Clock kit - no Integrated circuits!
vu2zap at gmail.com
Sat Jan 9 11:28:35 UTC 2010
You can get 60Hz from this xtal circuit
I don't know if the chip is still available, I remember building a few of them some 3 decades ago. My dad was impressed by the digital clock but kept commenting that his 25 year old Omega watch was more accurate.
Raj @ 50 +- 2 Hz mains
>>I have just the divide by 60 down to 1Hz done. It works now that I
>>found that one diode I put in backwards.
>Is there any sign of a 50Hz option ?
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