Despite being found in a 1980 publication, this circuit uses components that can still be found easily. The circuit feeds an array of LEDs that run randomly, stopping at one.
This emergency light circuit does not include a battery charger or an intelligent system to...
Capacitors determine the frequency range together with resistors, and these components can be...
We found this circuit in a 2001 publication. This unit has short circuit protection, and the power...