LED Schematics | Next Electronics

UV/IR/Visible LED Flashlight with Intensity Control

Build a 10W LED flashlight that features swappable UV, IR, and visible light heads. This flashlight is designed to complement a photographer's toolkit for applications such as light painting, infrared illumination, UV-reflected photography, or UV fluorescence photography. The flashlight utilizes...

Christmas LED Lights Circuit

This simple Christmas LED lights decoration circuit allows for the creation of an 18 LED flasher to adorn a Christmas tree. The circuit incorporates white, blue, and red LEDs that flash in a festive pattern. The circuit is designed to operate...

Novel White LED Torch

This design is directly derived from the manufacturer's datasheets, but its application is relatively novel. Initially intended for high-visibility LED bargraph readouts, the LM3914 is utilized here as the foundation for a 10-step variable brightness current-regulated white LED torch. The...

Hydraulic oil Automotive LED Alarm SL322C schematic

The circuit illustrated in the figure is a hydraulic oil level alarm system for automotive applications. It consists of a light-emitting diode (LED) driver, the SL322C integrated circuit (IC), a voltage regulator circuit (CW7809), and hydraulic oil level sensors (W1,...

28 LED Clock Timer

Twelve LEDs can be arranged in a circle to represent the twelve hours of a clock face, while an additional twelve LEDs can be arranged in an outer circle to indicate five-minute intervals within the hour. Four additional LEDs are...

Knightrider lights for model cars

This circuit operates six LEDs in a "Knightrider scanner mode." The power consumption is primarily influenced by the type of LEDs utilized, especially when employing a 7555 (CMOS version of the 555 timer). Caution is advised when working with electricity,...

72 led clock

The circuit utilizes 60 individual LEDs to represent the minutes of a clock and 12 LEDs to indicate the hours. The power supply and timing circuitry are consistent with those outlined in the previous 28 LED clock circuit. The minutes...

A passive light emitting diode output level indication circuit

A passive light-emitting diode output level indication circuit. This circuit utilizes a light-emitting diode (LED) to provide a visual indication of the output level from a given source. The design is characterized by its passive nature, meaning it does not require...

More LED Flashers

More: A comprehensive electronic schematic typically includes various components such as resistors, capacitors, diodes, transistors, and integrated circuits, interconnected to perform specific functions. Each component is represented by standardized symbols, and their values are indicated alongside or within the...