AC voltage probe (CB8185E)

This circuit for voltages up to about 20 V was found in a 90s Popular Electronics. The LED can be of any type or color.

FOD8342 Optocouplers Gate Driver for 3 A (COM013E)
June 2016 - It can be obtained from Mouser Electronics the new gate driver optocoupler from...
Function Generator (CB15940E)
The basis of this project is an integrated 566 (not to be confused with a 556 which is a double...
1957 1-Transistor Radio (CB14728E)
We found this AM radio in a 1957 transistor application manual, published by Raytheon. The...