This 2005 Linear Technology circuit has separate outputs for monitoring the charge and discharge of a battery. Formulas next to the diagram let you calculate the components.
The astable multivibrator shown by the figure can produce signals in the 10 to 10 000 Hz band...
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...
This power control for the AC power line uses a Triac and an Unijunction Transistor. The control...