Solar intercom (CB20503E)

This circuit can be used in demonstrations or science fairs. The circuit uses headphones and can be powered by solar cells.

Candlelight Effect (CB4519E)
This circuit was obtained from a 1966 magazine but can be easily assembled using the 2N2646 as a...
Hartley Oscillator (CB4255E)
In the figure we have the typical configuration of a Hartley oscillator. This circuit generates...
Thermo Thin High Temperature Wire - Alpha Wire
September 2017 - Alpha Wire's Thermo Thin Hoo-Up wires are suitable for use in extreme...