This 1970s RCA circuit can be triggered by light or dark, depending on how the LDR is connected. The controlled load depends on the triac.
Found in Popular Electronics, this circuit is intended for testing servos used in model making. The...
June 2017 - Texas Instruments' new TPS61178x synchronized boost converters that already include...
In the figure we have the astable configuration for the 4093 that serves as a clock for...