Nixie Tube Digital Clock Kit AT89C2051 MCU DIY Electronic LED
$11.99
Description
Power supply: 5-12v (above 6.5v voltage, four LED lights in the middle).Board size: 10.0* 5.5cm.Weight: about 35 g.This kit USES three 2-bit digital tubes to display the time of the hour, minute and second respectively, and two small LED to replace the colon interval..The use of microcontroller programming control display, the use of timer timing, precision can be.
