Construction of a 4-Stage D-Type Binary Counter and 555 Astable on Breadboard 

In this video, we see a detailed, step-by-step construction of a 4-Stage Binary Counter using a breadboard. 4013 D-Type Flip-Flops are used in the construction of the counter, and a 555 Astable Circuit is also built to provide the clock pulse.
Breadboarding / Practical Playlist: • Electronic Circuit Bre...
0:00 Introduction
1:00 4-Bit Combinations
2:46 Beginning Construction
4:28 555 Astable Construction
16:49 Joining Rails
17:53 Battery Safety!
18:56 Binary Counter Construction
13:48 Tying Down Unused Pins
33:52 Output LEDs
39:42 Circuit Test
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