We found this circuit in a 1986 documentation. It uses only LEDs, batteries, resistors and the power supply which can consist of 4 batteries or a 9V battery. The basic circuit uses two-color LEDs.
We find this microphone voice effect in 1992 documentation. The vibration of the relay contacts...
In the figure we have the receiver of a sequential remote control operating at a frequency in the range of...
Maxim is presenting an interesting intelligent force sensor for applications ininterfaces,...