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Animated LED Signboard PIC16C84 - Schematic only, no circuit description __ Designed by Lewin A.R.W. Edwards
Animated Weather LED Display - 21-Mar-14 -Design News: This project displays the weather in the form of an animation on an LED matrix (32x32 resolution or 1024 LEDs) . The Raspberry Pi is periodically pulling weather conditions from the Internet and then sending a corresponding animated gif weather animation to the IOIO board and LED display. IOIO is an __ Gadget Freak-Case #252
Anti-Flicker for LED Christmas Lights - I like the idea of LED light strings that rarely need new bulbs but the flicker drives me crazy! Here's the solution for single strings of LEDs all in series __ Contact: Charles Wenzel of Wenzel Associates, Inc.
Arrange LEDs as Seven-Segment Displays - 05/26/11 EDN-Design Ideas When you need to drive three seven-segment LED displays, you typically need 10 I/O lines—and that’s without a decimal point. You might think that you cannot accomplish that task without a binary-to-seven-segment decoder or a serial-to-parallel shift register (Reference 1) . Many previous Design Idea have shown how to maximize the number of LEDs you drive with a minimum number of I/O lines (references 2 through 5) . This Design Idea shows how you can build a circuit that drives 21 LEDs, thus forming three pseudo-seven-segment displays. Design by Charaf Laissoub, Valeo Engine and Electrical Systems, Créteil, France
ArroW & Line Running LED's - Our ARROWERL10 has many applications; fill your party with running blinking ARROWERS. Mount the ARROWER on your bicycle so you'll be more visible and have a safer ride when signaling. Mount it on a sign as an direction indication. Place ARROWER anywhere you’d like to draw attention and a smile. The unique small design will allow you to mount it almost anywhere. __ Contact: Kit from Elich Industrial Development, Corp
ArroW Lighting-TI DC/DC LED Driver Solution - In this article, 2 lighting applications of TI TPS40211 will be presented. TI TPS40211 is a DC/DC LED driver controller which accepts DC voltage up to 52V and is able to fit various kinds of LED lighting application including MR16
as well as streetlamp application. __ Designed by James Ho, Arrow Asia Pac
Astable Multivibrator - Scroll to find this circuit. This is an astable multivibrator circuits to alternately flash two LEDs. The R & C values determins. __ Designed by Bill Bowden
Astable Multivibrator Lights LED From a Single Cell - 08/21/08 EDN-Design Ideas A classical multivibrator drives a step-up inductor to power an LED from a single cell Design by Luca Bruno, ITIS Hensemberger, Monza, Lissone, Italy
Astro LED Torch - A red LED torch is essential for preserving your dark adapted vision at night allowing you to read star charts as well as setup and take down your accessories safely. The red wavelength is specific to retaining your night sight so you can observe without distracting white light that destroys dark adaption for long periods. If __ Designed by T.K. Hareendran
AT89C2051 Serial COMs to LED driver - This document describes the HSETI PCB. This PCB is a small simple application for the Atmel AT89C2051 microprocessora 20 pin 8051 variant, with FLASH (reprogrammable) program memory. The board has just two chips on it, the CPU and a driver/buffer. __ Airborn Electronics, Australia
AT89c2051/4051 Driving Dot Led - A basic circuit of the 89C2051 shown here can be made easily using point-to-point soldering with a universal PCB. Use an ordinary 20-pin socket, do not use a circle-pin socket. D1 is a small dot LED. U2 can be either 7805 or 78L05. U3 is optional for correcting any polarity DC adapter. Without the 2051 chip __ Designed by Wichit Sirichote
Audio Light Modulator - Audio light modulations add to enjoyment of music during functions organised at home or outdoors. Presented here is one such simple circuit in which light is modulated using a small fraction of audio output from speaker terminals of audio amplifier. The output from speaker terminals of audio amplifier is connected to a transformer
Auto Speed LED Sequencer - Our SEQUENCERS4 has many applications; simply power the board and light 4 LEDs start to "move, " left to right again and again in sequence! This automatic sequence of blinking lights (LED) can be controlled directly from a front mounted multi-turns trimmer (pot.) and will draw attention and fun! The unique small design will allow you to mount it almost anywhere. Operate it with 6V, 9V battery, 12V car battery, four 1.5V batteries, or via one of our battery simulator kits __ Contact: Kit from Elich Industrial Development, Corp
Automatic Anchor light - Federal and international regulations require boats to carry lights during sunset, sunrise and at conditions with restricted visibility. The number and colors of light vary with the size of vessel. A masthead anchor light is out of fashion as it is too high above the water level. This makes it difficult to judge the position of the boat, especially in a pitch-dark anchorage. This project is a compact yet inexpensive automatic anchor light integrated with an ambient light sensor that turns it on and off automatically__ Electronics Projects for You
Automatic Dual Output Display - This circuit lights up ten bulbs sequentially, first in one direction and then in the opposite direction,thus presenting a nice visual effect.In this circuit, gates N1 and N2 form an oscillator....__ Electronics Projects for You
Automatic Room Lights - An ordinary automatic room power control circuit has only one light sensor. So when a person entersroom it gets one pulse and lights come ‘on. ’ When person goes out it gets anor pulse and lights go ‘off. ’ But what happens when two persons enter room, one after or? It gets two pulses and lights remain in ‘off’
Automatic Solar Garden Lights with LEDs - Efficient automatic solar garder lights circuit with minimum components the best deal is that is completely auto and the Solar panel acts as a light detector. Switches the Lamp off at Dawn, charges the battery during daytime and switches the LED lights ON at dusk providing 100 Lumens illumination during the night. The solar __ Designed by Sebastian Kushero
Auxiliary 12v Automotive Style LED Light Makes Table Lamp - This circuit provides about one watt of non-isolated DC power for an automotive type 12v LED array lamp in addition to a standard incandescent table lamp . . . Hobby Circuit designed by Dave Johnson P.E.-July, 2006
AVR Color Clock using RGB LEDs - This page describes a color clock that displays the time using two RGB LEDs, one for hours and one for minutes, showing time by using the standard color coding used for components (with two additional colors as the standard color coding only has ten colors and twelve is needed) __ Designed by Rickard Gunee |
