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.

Figure 1 Circuit schematic of triangle/sawtooth wave generator using 555 timer. Assuming that the circuit has reached steady-state, then the working principle is as follows: When the voltage across ...

The 555 adjustable timer circuit starts timing when switched on. The green LED lights to show that timing is in progress. When the time period is over the green LED turns OFF, the red LED turns ON and ...

All component sizes are beautiful, as evidenced by this amazing circuit sculpture clock. Posted in classic hacks Tagged 1206 , 555 , 555 timer , Circuit Sculpture , flashing Post navigation ...