Working of Simple LED Torch Light Circuit. The supply voltage is given to the circuit is 5v DC. In the circuit, the resistor R1 and capacitor C1 are arranged with two NOT gate to make an oscillator ...

74LS04 HEX NOT GATE IC. 1 LED. Button. 100nF capacitor. Connecting wires. Breadboard. Circuit Diagram and Working Explanation. The truth table of NOT gate is ... H – High Logic Level. L – Low Logic ...

PC Driven LED Display PC Driven LED Display: Interfacing Circuit. The interfacing circuit along with the 25-pin parallel port is shown in Fig. 1. IC1 is a high-speed 1-of-8 decoder/demultiplexer. In ...

In this application, xenon strobe lights did not work because they take up too much space, and the light they emit is too intense. It shows the main-clock input; the delay and duration potentiometers, ...

AC-sourced LED Light Fixtures (LED Light “Bulbs”) Figure 1 is also the block diagram for a typical LED AC light fixture but some of the protection elements would not be used. LED lighting fixtures ...

Circuit and working. Circuit diagram of an LED as a light sensor is shown in Fig. 1. It is built around op-amp CA3140 (IC1), transistors BC547 (T1) and BC337 (T2). Fig. 1: Circuit diagram of an LED as ...

AC-sourced LED Light Fixtures (LED Light “Bulbs”) Figure 1 is also the block diagram for a typical LED AC light fixture but some of the protection elements would not be used. LED lighting fixtures ...