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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 66
    1. Alarms 1
    2. Audio 0
    3. Automotive 3
    4. Computers 0
    5. High Voltage 0
    6. Light/Laser 0
    7. Microcontrollers 8
    8. Power Supply 21
    9. Remote Control 3
    10. Robotic 2
    11. Test Equipment 6
    12. Timers 1
    13. Other 20
  2. Electronic Theory 2
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  3. Software & Downloads 0
    1. Hello World! Examples 0
  4. Code Repository 0

Top resources

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.
0.00 star(s) 0 ratings
Updated
Resource icon H
Modular 3D LED CUBE 1
3D LED Cube
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Downloads
10
Updated
Resource icon crutschow
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.
0.00 star(s) 0 ratings
Updated
Resource icon magvitron
Automatic Street Lighting System 2013-01-24
The driving theme behind the Automatic Street Lighting System is an energy-saving streetlight schem
5.00 star(s) 1 ratings
Updated
Resource icon alec_t
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
0.00 star(s) 0 ratings
Updated
Resource icon B
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
1.00 star(s) 1 ratings
Updated
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
3.00 star(s) 3 ratings
Updated
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
0.00 star(s) 0 ratings
Updated
Resource icon kinjalgp
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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Updated
Resource icon languer
Basic IR Communications 2011-02-07
Creating an infrared (IR) communications link can be very useful. Some examples of projects which
3.50 star(s) 2 ratings
Updated
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
0.00 star(s) 0 ratings
Updated

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