Orologio a circuito digitale 6 bit fai da te kit elettronico orologio elettronico kit didattico
30P Porcelain Chip Capacitor X2. 103 Monolithic Capacitor X3. 25V 100UF Capacitor X1. The second signal generator consists of CD4060 and CD4013, which generates a square wave signal with a frequency of 1HZ.