This circuit, which can be used as a shield, was found in Radio Electronics from the 90s. The operating circuit can be replaced by a lower voltage equivalent.
This switch is bounce free and is recommended for the control of CMOS circuits. The switch must be...
This interesting shield circuit was obtained from a Poptronics of February 2001. The American...
This circuit with the LM741 operational amplifier can be applied to other operational amplifiers. We...