This circuit was found in an Australian publication from 1991. It is a transmitter that transmits a signal when it detects moisture. The range is on the order of a few tens of meters.
Author: Newton C. Braga Published:July 8, 2016 Formato:Book and e-Book Pages:...
The circuit illustrated in the figure can supply currents of up to 3 A under 12 V voltages with...
This circuit was found in a 1967 Motorola manual. Its purpose is to provide a very accurate...