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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Light/Laser

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  1. Electronic Projects 104
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    6. Light/Laser 1
    7. Microcontrollers 17
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Trending resources

  • How to operate an A7672S 4G modem with a computer

    Resource 'How to operate an A7672S 4G modem with a computer'

    by Nikhil Angnihotri, EngineersGarage.com As 5G is in full swing in the telecom segment, 4G modems are fast occupying the embedded space. The 4G GSM modems are useful in embedded systems for several reasons. 1. They provide a high-speed wireless connection to the internet. This allows embedded systems to access and process data in real time, which is essential for telematics, industrial automation, and remote monitoring applications. 2. The 4G GSM modems are relatively compact and...
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4.5-W 600-Lumen LED Emergency Light Circuit
4.5-W 600-Lumen LED Emergency Light Circuit
5.00 star(s) 1 ratings
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Resource icon crutschow
LED 2-Transistor Low-Drop Constant-Current Driver
Simple 2-BJT LED constant-current driver operates to within 0.7V of the supply voltage.
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Modular 3D LED CUBE 1
3D LED Cube
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12
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Low Voltage, Low Power LED Constant-Current Driver Operates to Within 200mV of the LED voltage.
LV, LP, CC driver allows two alkaline or NiMH cells to steadily power a Red LED until discharged.
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Automatic Street Lighting System 2013-01-24
The driving theme behind the Automatic Street Lighting System is an energy-saving streetlight schem
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Mains-powered LED night-light 2012-11-09
I'm probably re-inventing the wheel, but here are a few variations of a mains-powered night-light f
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120v 4-LED Night Light 2011-11-13
This circuit uses can be used as a night light. It uses a 120v Mains to power the circuit. Works li
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Resource icon 3lectrix
Light Activated Switch 2011-09-04
The circuit is based on National Semiconductors comparator LM311 (IC1) and an LDR. The non invertin
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Resource icon 3lectrix
Dark Detector 2011-06-16
The dark detector circuit shown here can be used to produce an audible alarm when the light inside
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10 Channel Light Bulb Sequencer 2011-05-15
Here is a simple 10 channel light bulb sequencer circuit which you can build up to decorate your ho
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Basic IR Communications 2011-02-07
Creating an infrared (IR) communications link can be very useful. Some examples of projects which
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Resource icon ElectroMaster
Strobe Light 2010-07-06
Strobe lights are widely used by disco lovers to create wonderful visual effects in disco halls and
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