Opto/Illumination

US$0.59
3mm diameter. 3.0-3.4V Forward Voltage, at 20mA current . 500+ mcd. "cool" white - 6500K+. 
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US$9.73
This is a compact battery pack for providing power to any electroluminscent wire, panel or tape. This little black box takes two AA batteries and has two JST connectors for your EL wire/panel/tape. There are two modes: continuous on and flashing and it even has a belt clip!
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US$6.92
There are 16 pins on the side, 8 on each, with 0.1" spacing so you can easily plug it into a breadboard with plenty of space to wire it up.
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US$6.92
64 yellow 235mcd LEDs are contained inside the plastic body, in an 8x8 matrix. 
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US$6.93
Each pack includes 25 tiny 0603 SMD LEDs in cut-tape packaging. These are great for status lights or for building really small LED matrices. 
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US$1.33
This is a 5mm clear infrared LED. These devices operate between 840-850nm and work well for generic IR systems including remote control and touch-less object sensing.
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US$2.34
This is a 5mm clear infrared LED. These devices operate between 940-950nm and work well for generic IR systems including remote control and touch-less object sensing.
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US$9.92
It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points.
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US$0.99

Features: 465-470nm Blue. 3.0-3.4VDC Forward Voltage. 80mA Forward Current. 30 degree viewing angle. 8,000-10,000 MCD output.

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US$0.99

Features: 515-520nm Green. 3.0-3.4VDC Forward Voltage. 80mA Forward Current. 30 degree viewing angle. 16,000-22,000 MCD output.

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US$0.99

Features: 625-630nm Red. 2.1-2.3VDC Forward Voltage. 80mA Forward Current. 30 degree viewing angle. 10,000-12,000 MCD output.

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US$14.45
By using simple i2c and SPI input/output expanders we have reduced the number of pins (only 2 pins are needed for i2c) while still making it easy to interface with the LCD.
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US$34.13
These displays are small, only about 1" diameter, but very readable due to the high contrast of an OLED display. This display is made of 128x64 individual white OLED pixels, each one is turned on or off by the controller chip.
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US$61.17
Measures 20 cm x 15 cm (7.9" x 5.9"), about 0.5mm thick. Its covered in what seems to be PVC, the panel is thus spill proof - but note that the connector is NOT waterproof, just a bit of heatshrink. This isn't something we would suggest leaving outdoors for extended periods.
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US$1.74
Its a JST 2.5mm 'free hanging' cable assembly that latches strongly. One wire is marked with a white dashed line. You can't plug these in backwards.
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