The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by changing R2 and R3.
We found this circuit in the April 1993 Electronics Now magazine. Almost any general-purpose JFET...
This shield can be used both to interface microcontroller circuits or TTTL. The resistor in series...
This circuit was found in Philips documentation from 1967. The circuit uses components of the...