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Opto/Illumination

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LTE5208AC LED, Infrared GaAs 5mm. 940nm. Clear/smoke lens
US$0.49
This device is a 5mm. clear/smoke lens IR LED. Used most often in remote controls and night vision cameras.
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11-470 Lamp, Grain of Wheat 12 Volt 70 mA with 6-inch leads, 0.200” diameter bulb
US$0.69
This device is a 0,200” diameter bulb, grain of wheat lamp at 12V 70mA with 6-inch leads.
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11-480 Lamp, Grain of Wheat 14 Volt 65 mA with 6-inch leads, 0.300” diameter bulb
US$0.69
This device is a 0,300” diameter bulb, grain of wheat lamp at 14V 65mA with 6-inch leads.
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11-495 Lamp, Grain of Wheat 14 Volt 40 mA with 6-inch leads, 0.150” diameter bulb
US$0.69
This device is a 0,150” diameter bulb, grain of wheat lamp at 14V 40mA with 6-inch leads.
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L14C1 Phototransistor Silicon NPN TO-18 880 nm
US$6.71
This device is a NPN silicon phototransistor in a TO-18 format 880 nm.
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L14G1 Phototransistor Silicon NPN TO-18 940 nm
US$7.95
This device is a NPN silicon phototransistor in a TO-18 format 940 nm.
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20x4 Character LCD Display Module IIC/I2C/TWI Serial 2004 for Arduino
US$19.95
This is a basic 20 character by 4 line display. Utilizes the extremely common KS0073 parallel interface chipset. However, this LCD has IIC/I2C/TWI/SPI Serial Interface. As the pin resources of Arduino controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card, for example. However, with this I2C interface module, you will be able to realize data display via only 2 wires (in addition to the Vcc and GND). If you already has I2C devices in your project, this LCD module actually cost no more resources at all and runs on 5VDC. It is fantastic for Arduino based project. The backlight and contrast are adjusted by a potentiometer on the back of the LCD module. I2C Address: 0X20-0X27 (the original address is 0X27, you can change it yourself).
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LAMPSKIT-6 Small Lamp Base Holder for Electrical Experiments
US$2.28
This is a screw base lamp holder with red and black binding posts for wire connections. Perfect for the basic battery circuit and lamp experiment. Works with the 3.7V LAMP-BLB from Abra.
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LED-H-5MM-SS LED HOLDER Metal for 5mm LEDs
US$0.97
This is an attractive stainless steel panel mount LED holder that can accept 5mm LEDs.
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LAMPSKT-5 T3¼ Bulb Socket with Plastic Cover and 12CM Power Cables
US$1.53
This is a socket that a 11-30X series bulb can be screwed and held inside securely. The plastic cover makes it ideal for easy screw in and out without the need to solder the cables and risking damaging the bulb. The included cable is 120 mm long for easy wiring management.
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11-411 6VDC 0.5A Screw Base E10 Light bulb
US$0.81
This is a 6VDC 500mA light bulb that can be used in DIY kits such as Christmas trees, RC cars lights, custom made light matrix, etc..
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11-309 3.8V 0.3A Screw Base E10 Light bulb
US$0.74
This is a 3.8VDC 300mA light bulb that can be used in DIY kits such as Christmas trees, RC cars lights, custom made light matrix, etc..
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LED-10G-MW 10mm Green LED (Milky White)
US$0.55
These 10mm LEDs have translucent milky-white diffused lenses for high visibility at wide viewing angles.  They appear milky white when not powered, green when powered.  Excellent for indoor data display, and any time that you need a big, bright, and friendly green LED.
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1260-ADA Flora RGB Smart NeoPixel version 2 - Pack of 4
US$12.25
Designed specifically for wearables, these updated Flora NeoPixels have ultra-cool technology: these ultra-bright LEDs have a constant-current driver cooked right into the LED package! The pixels are chainable - so you only need 1 pin/wire to control as many LEDs as you like. They're easy to sew, and the chainable design means no crossed threads. This is the second version of the Flora NeoPixels, which runs at at 'high speed' 800KHz communication. Unfortunately they are not back-compatible with the chip-on-back 'low speed' (400KHz) Flora NeoPixels.
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3377-ADA Adafruit LED Sequins - Multicolor Pack of 5
US$6.09
Simply connect 3 to 6VDC to the + pin and ground to the - pin, and the LED on the board will light up. You can make the LEDs fade and twinkle by using the PWM (a.k.a. analogWrite) functionality of your Gemma or Flora, or just connect directly to a digital I/O pin of a microcontroller to turn on and off. Or even skip the micro altogether, and power directly from a LiPoly or coin battery.
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