This circuit triggers a Sonalarme when the LED used as a sensor receives light. The circuit was found in an old documentation, but the components used are all current.
This circuit was found in an American 1980s documentation. The components are current but most...
The circuit shown in the figure is based on the ST Microelectronics TDEO0160 (www.st.com) and...
Unlike the previous circuit, this circuit from Electronics Now, October 1993, has the load...