It normally takes two transistors to build a blinker circuit (in order to make positive feedback possible). However, you can also use a photo-resistor (LDR) that is illuminated by an LED. The feedback ...

You’re asking what is LDR? It stands for Light Dependent Resistor or Photoresistor, which is a passive electronic component, basically a resistor which has a resistance that varies depending of the ...

Harris LDR LED Troffer Retrofit lighting fixture kits, in addition to various energy control systems, accelerate energy savings via occupancy based activation of the lighting systems, automatic ...

MANITOWOC, Wis.--(BUSINESS WIRE)--Orion Energy Systems (NYSE MKT: OESX) is ringing in the New Year with the launch of the industry’s first complete suite of LED Door Retrofit (LDR) products. The LDR ...