This simple circuit was found in the November 1992 issue of Radio Electronics magazine. It generates a tone whose frequency is set to R2. It can be powered by a power supply.
555 Doorbell (CB25531E)
- Details
- Written by: Newton C. Braga
This simple circuit was found in the November 1992 issue of Radio Electronics magazine. It generates a tone whose frequency is set to R2. It can be powered by a power supply.
