This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
We found this circuit in a publication from the 1980s. It can function as a touch switch and if...
The figure shows how to implement an inverter trigger using the LM3900. The LM3900 is a NORTON...
In this circuit we have the way to obtain a pseudo sequential effect of LEDs using 3 FETs. The...