Bis
This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The circuit is compatible with both TTL and CMOS logic.
This circuit activates a machine to dry hands (fan and heater) when the sensor detects the...
The operational used is like the 741. The circuit is from the datasheet and the formula that...
The second order filter shown in the figure is suggested by Texas Instruments, based on the TL081...