KLOCKAN 7-Seg LED, DS1307 RTC, knappsats 4 x 4 Controller
Steg 1: krets Steg 2: fånga Steg 3: Simulator &. Hex filenSteg 4: PCB LayoutObs:-1 AT89S52 eller AT89C52 - 4 IC 74HC573 - 1 CMOS baterry - 1 DS1307 - 4 LED 7seg 4digit - 8 A1013 - 1 Respack 8 - Crystal 12MHz - 2 kondensator 33pF - 2 kondensator 10uF...