DIY Digital Röhren LED Uhr Kit AT89C2051 Mikrochip Timer Steuerung Speicher Batterie
9,68 €
A 3V backup battery has been added to the circuit. The clock didn't stop, but the nixie tube didn't show. Battery backup for incoming calls will not work. This is practical. 1 set of LED display kit.
Jetzt bei Ebay: