This circuit makes use of a 741 single source operational amplifier to measure resistors on a linear scale. The circuit may use as an indicator a common multimeter on a low current range.
I found this simple circuit from an English magazine from 1984. The circuit can be easily...
May 2016 - Mouser Electronics is already sourcing the new modules from Murata MAGICSTRAP forUHF RFID....
This high power dimmer uses a unijunction transistor to trigger the triac. The triac is choosen...