We found this cable tester in a Popular Electronics from the 90s. The circuit uses a connector according to the cable to be tested. Adaptations can be made for different types of cables.
This traditional circuit is from a 1972 RCA technical publication. The circuit can be developed with...
May 2016 - It can be obtained from Mouser Electronics new tricolors chipsLEDs from Broadcom for...
This circuit changes an audio signal to get better reproduction. It is important when editing...