1. The resistor coding started in the 1920s by the Radio Manufacturers Association. (Credit: Creative Commons 3) Today is the 2 nd of February in the year 2022, and red is the color used to encode ...

Pi network attenuator circuit. SpinningSpark (CC BY-SA 3.0). A Pi network attenuator is a simple three-resistor circuit, as shown in the diagram to the right.

A Simple Over-Voltage Protection Circuit for LED Drivers This boost circuit implements current mode control and senses the LED current via resistor R14. The output voltage is boosted to just over 30V ...