This circuit, which can be built with several CMOS gates, was found in the March 1996 issue of Electronics Now magazine. The circuit has the base frequency determined by R1 and C1.
This circuit was found in RCA documentation from the 1980s. The circuit uses LDRs of the time and...
This circuit makes use of a 741 single source operational amplifier to measure resistors on a...
How to test a general-purpose diode Those who do not have a multimeter, or other instrument that...