This circuit was found in a 1967 documentation. The switch diode is a component of the time and is difficult to find today.
This circuit was obtained in an Argentine publication from the 1970s. The circuit can still be...
May 2017 - Mouser Electronics is announcing the availability of Omron's new 2JCIE-BL01 environment sensors for...
This circuit was obtained in a 1989 English magazine. Despite using a fixed 5 V regulator, it can...