We found this circuit in a 1986 documentation. It uses only LEDs, batteries, resistors and the power supply which can consist of 4 batteries or a 9V battery. The basic circuit uses two-color LEDs.
This Darlington circuit is intended for the production of very low frequency signals. The...
May 2016 - Mouser Electronics is already sourcing the new modules from Murata MAGICSTRAP forUHF RFID....
This audio amplifier stage was found in a 1963 publication. The circuit was designed to use...