This circuit allows the detection of RF signals using the lowest range of direct currents of a common multimeter. Equivalent diodes such as 1N34 can be used. The circuit is assembled in a ballpoint tube.
This interesting circuit was found on the Internet and is based on the 555. The circuit uses power...
Found in an old American documentation, this circuit uses neon lamps as a reference to obtain a...
The basis of this project is a three-position lever switch or similar. When the switch is in the...