This circuit for audio signals was found in the March 1990 Radio Electronics magazine. The circuit uses a unusual optocoupler that can be replaced with an equivalent one.
This circuit generates ladder-like signals whose frequency depends on R1 and C1. The unijunction...
Mouser Electronics is making available the SLN-IOT-GPT Integrated Development Experience, a...
This circuit uses an SCR as a rectifier and controls the charge of a 7 to 24 V battery. The...