IR Light Dimmer Circuit | Next Electronics

This toy traffic signal utilizes a single, cost-effective hex Schmitt-trigger inverter IC (IC1a-IC1f) to directly control three colored LEDs (red, green, and amber). Upon activation, the circuit illuminates the red signal for 30 seconds, followed by the green signal for...

LED effects with ATTYNI2313

This project I made for my little daughter. It is 24 channel light illumination. The schematic is very simple 24 LEDs, 1 MCU and some additional components. The main principle is dynamic indication, which is usually implemented for control of...

Ir Remote Extender

This circuit can be utilized to operate a VCR or CD player from a different room. It functions as an infrared signal repeater. The signal from the remote control is received and retransmitted through wires to an infrared LED. The...

The LED car voltmeter (2)

This document introduces an LED car voltmeter constructed using the op-amp LM312 and LED components. It is designed to display six voltage levels ranging from 10V to 15V, with each level representing a 1V increment. The working principle of the...

19 LED Clock circuit

The clock circuit above uses seven ICs and 19 LEDs to indicate binary coded decimal time. The LEDs can be arranged so that each horizontal group of 3 or 4 LEDs represents a decimal digit between 0 and 9 and...

Smooth FlasherCircuit

Standard LED flashers activate the LED in a rapid on-off sequence, which can become bothersome over time. The circuit presented here offers a more gradual illumination effect. This circuit utilizes a simple design to create a soft flashing LED effect, which...

BarGraph Ccts

The LED meter is simpler and smaller than its analog counterpart and is commonly found in audio equipment. This version utilizes a National Semiconductor integrated circuit (IC) and employs a logarithmic scale. Each LED operates with a 3 dB difference...

Need Help: Wiring LEDs with 2 source voltages

A series of LEDs is intended to display at two brightness levels, and there is uncertainty regarding the proper wiring. This setup is for additional running lights and brake lights on a bicycle. When using the series LED calculator, it...

LED lights using Joule Thief circuits

It may seem that due to the numerous flashlight projects undertaken, there is a significant collection of lights. The inductor can be altered to set the current level, but the total current fluctuates with the battery supply, decreasing as the...