News post : Electronic Projects Circuits :Eleccircuit.com |  |
| Simple 4 digits stopwatch circuit. Posted: 12 Jul 2013 01:45 AM PDT This simple 4 digits stopwatch circuit for counter number down to zero as dynamic drive LED segment. Use a package IC-Cmos TC5001P or 74C926 is main and 5-6v dc supply. The concept. We use a package-IC number is TC 5001 P (Toshiba) or No. 74C926(NS) as main. Both are CMOS-IC has the 4 digit counter [...]  |
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