This design idea (Figure 1) shows how easily “new flesh can be added to the old bones” and how some new functions can be added to the simple LED display that was published earlier. Figure 1 Upgraded ...
Avoid unexpected shutdowns in your 9-V-powered projects with this simple low-battery indicator circuit. It uses just a ...
The 555 timer is one of the most versatile integrated circuits available. It can generate PWM signals, tones, and single-shot pulses. You can even put one in a bi-stable mode similar to a flip flop.
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