This circuit generates signals whose frequency depends on C1 and C2. JFETs are common types like BF245 or MPF102.
This project was found in a 1981 documentation consisting of a simple blinker with 2 transistors. The...
This complete experimental source of low current and very high voltage can generate voltages from...
The purpose of this circuit is to automate the activation of an aquarium air pump (aerator). The...