If you’re not familiar with the 555 timer, suffice it to say that this ... Perhaps the most common use is as an astable multivibrator or RC relaxation oscillator. In this role, an external ...

[Kerry] decided to use the venerable 555 timer as an astable oscillator. He wired a momentary button in parallel with the left mouse button. A 50k mini pot used as the discharge resistor allows ...

In this chapter we will discuss the three types of multivibrators, the 555 Timer, and the Schmitt trigger. We will discuss sinusoidal oscillators in Chapter 10. An astable or free-running ...