Opto/Illumination

US$0.97
These LED holders accept a 10mm LED and mount into an 35/64" diameter hole.
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US$0.97
These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and effectively, no screwing anything into place. These LED holders accept a 5mm LED and mount into an 19/64" diameter hole.
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US$10.42
Made of 3mm black acrylic pieces, with 4 x 1" nylon screws & 4 x nylon hex nuts, it goes together in a jiffy and looks super-spiffy!
Delivery within 2-3 weeks
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US$26.53
This is a USB to RS-232 bridge converter which is very small and easy to use. It uses a mini-B type USB connector to connect to your PC and is based on the FTDI FT232RQ USB to Serial Bridge IC from FTDI. The μUSB-PA5 allows you to communicate with 4D Systems' screens and controllers.
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US$9.05
This is a basic 16 character by 2 line display. White text on Blue background. Utilizes the extremely common SPLC780D parallel interface chipset.
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US$18.15

This shield allows an Arduino board to visualize informations on an attractive LCD display with white text on blue backlight. 5 push buttons make possible the implementation of projects where menus are visualized on the LCD display and selections are made by the pressure of the buttons, each of them numbered from 1 to 5.

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US$6.29
This is a 24 volt DC red LED.
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US$1.75
CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ.
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US$43.67

Includes: 10cm x 10cm (approx 4"x4") square panel in Aqua, Portable 4xAAA inverter powerful enough to drive a single panel, 4 x AAA alkaline batteries to power the inverter and panel for 10 hours.

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US$34.92

This project pack contains: 2.5 meters (over 8 ft) of high-brightness, long-life EL wire in Red, Pocket EL inverter runs on 2 AA Alkaline or rechargeable batteries (not included), 2 inches of heat shink, both 1/8" and 1/4", 2 inches of copper tape, 2 inches of foam tape.

Delivery within 2-3 weeks
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US$12.53
The glowing part of the tape is 1 cm wide (the plastic coating is about 1.5cm wide). The other side has an adhesive on it so you can stick the tape onto something.
Delivery within 2-3 weeks
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US$21.00
We've got 2.6mm thickness EL wire, with a pinkish coat, pre-cut and soldered to a standard quick-connect EL wire. It is made with the latest technology and twice as bright as 'standard' 2.3mm EL - running it at 1.5KHz/90V it emits 115 cd/m^2 or light and a half-life (50% brightness reduction) after 3000 hours of continuous use.
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US$42.00
A big, bold, beautiful blue LCD with white back-lit pixels. This LCD is the graphical upgrade to those popular 16x2 LCDs, but allows full graphical control.
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US$17.50
These displays were used in old Nokia 5110/3310 cell phones (before the smart-phone fad turned every cell phone into a TV). It's a 84x48 pixel monochrome LCD display.
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US$7.88
64 amber 235mcd LEDs are contained inside the plastic body, in an 8x8 matrix. 
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