This circuit for controlling high power LEDs (up to 2A) is from a General Electric documentation from 1970. The circuit serves to modulate a transmitter in PWM. The circuit serves as a shield.
May 2016 - It can be obtained from Mouser Electronics new microcontrollers from Texas MSP430...
August 2017 - Mouser Electronics is stocking the new Molex optical EMI shielding adapters. These...
This circuit can be used in alarms by activating a relay or a current load that depends on the...