Wilf Rigter's "Real Time Clock" [Kicad]

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Hello there!

Here is a simple Real Time Clock (RTC) project I have recently built and tested on a ZX81 but should be compatible with the Spectrum and other Z80 machines. Cost and simplicity are the main reasons for choosing the DALLAS DS1287.

http://www.pictureviewerpro.com/hosting/zx81/wilfr.htm

Wiring diagram:

WilfRigter_REALTIME_diagram.pdf

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Kicad project:
http://abandon.pcbs.free.fr/wilfrigter/RealTime/