This circuit was found in the 1991 Electronics Experimenters handbook. It can be used to display RGB signals on old NTSC televisions.
The idea of wearables is not new and does not necessarily need to be implemented with...
This simple circuit was found in a 2001 documentation. With each touch of CH1, a 4017 output...
This circuit works with practically any tunnel diode, transmitting signals in the FM range with a...