Orologio Digitale 24 Ore Fai da Te Circuito Elettronico Kit 6-bit Orologio Pratica Didattica,
30P Porcelain Chip Capacitor X2. 103 Monolithic Capacitor X3. The second signal generator consists of CD4060 and CD4013, which generates a square wave signal with a frequency of 1HZ. CD4060 is a 14-level binary frequency divider/oscillator.