This circuit with a dual power supply generates sinusoidal, triangular and rectangular signals. We found it in the magazine Electronics Now of January 1996. The frequency goes up to a few megahertz.
With an ultra-low consumption, this circuit can be powered by solar cells. The circuit is from a...
This circuit allows you to view two low frequency signals on a single channel oscilloscope. It was...
Adafruit Raspberry Pi Perma Proto PCB Kits Adafruit kits are available from Mouser Electronics...