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  • I think this will help.

    
    ;It is important that the DCF77 reception is optimal.
    ;For DCF77 info, schematic diagram and control: http://www.8051basic.nl
    
    ;           80ZNS51LP:                  +--v--+
    ;                    Pulse for gong E1 <[     ]> One pulse per second
    ;                    Pulse for gong E2 <[     ]> Daylight saving, high when it's summer
    ;                    Volume level gong <[     ]< Connect LDR to +5V, 1M potmeter to GND
    ;                                       [     ]< 12:00 (AM/PM) or 24:00 notation
    ;                                  GND  [     ]  +5V
    ;                  DCF77 module signal >[     ]> DB7 LCD
    ;        Normaly open, for test to GND >[     ]> DB6 LCD
    ;                               LCD EN <[     ]> DB5 LCD
    ;                               LCD RS <[     ]> DB4 LCD
    ;                                       +-----+
    ;Er is ook een Nederlandse versie / There is a Dutch version too
    ;http://www.8051basic.nl / Frits Kieftenbelt, Raalte, Netherlands (Frizie)
    
    

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  • I think this will help.

    
    ;It is important that the DCF77 reception is optimal.
    ;For DCF77 info, schematic diagram and control: http://www.8051basic.nl
    
    ;           80ZNS51LP:                  +--v--+
    ;                    Pulse for gong E1 <[     ]> One pulse per second
    ;                    Pulse for gong E2 <[     ]> Daylight saving, high when it's summer
    ;                    Volume level gong <[     ]< Connect LDR to +5V, 1M potmeter to GND
    ;                                       [     ]< 12:00 (AM/PM) or 24:00 notation
    ;                                  GND  [     ]  +5V
    ;                  DCF77 module signal >[     ]> DB7 LCD
    ;        Normaly open, for test to GND >[     ]> DB6 LCD
    ;                               LCD EN <[     ]> DB5 LCD
    ;                               LCD RS <[     ]> DB4 LCD
    ;                                       +-----+
    ;Er is ook een Nederlandse versie / There is a Dutch version too
    ;http://www.8051basic.nl / Frits Kieftenbelt, Raalte, Netherlands (Frizie)
    
    

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