This proximity relay circuit was found in the July 1990 Radio Electronics magazine. The supply voltage should be according to the relay used.
In the circuit shown in the figure when we press S1, capacitor C1 charges slowly, and with that it...
This two-transistor amplifier stage has a feedback network allowing a voltage gain between 10 and...
Launched in April 2017 by Texas Instruments, the TLV62568 is a high-efficiency synchronized Buck...