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1312-ADA Breadboard-friendly RGB Smart NeoPixel - Pack of 4
1312-ADA Breadboard-friendly RGB Smart NeoPixel - Pack of 4
US$13.92
These pixels have full 24-bit color ability with PWM taken care of by the controller chip. Since the LED is so bright, you need less current/power to get the effects you want.
Delivery within 2-3 weeks
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FIT0319 The Laser Photoelectric Switch GAB100M-AK-5V
FIT0319 The Laser Photoelectric Switch GAB100M-AK-5V
US$90.00

This is a photoelectric switch that is composed of emitter and receptor. The emitter consists of a laser diode,and the laser has the characteristics of high precision, good orientation etc. The receptor consists of a photoelectric element. When receiving the laser pulse, the built-in light conducting.The emitter and receptor can assemble a detector.  It can be directly compatible with Arduino to develop related products. Of course,it is also very suitable for photoelectric counting, security, ultra-high vehicle overrun detection etc.

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DFR0239 RGB LED Breakout (3528)
DFR0239 RGB LED Breakout (3528)
US$4.19

This small size breakout is programmable full-color RGB LED for hobbyists, industrial designers, prototypers, and experimenters.

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DFR0238 RGB LED Breakout (5050)
DFR0238 RGB LED Breakout (5050)
US$4.13

This small size breakout is programmable full-color RGB LED for hobbyists, industrial designers, prototypers, and experimenters.

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LED-5RGB-2 Tri-Color 5mm LEDs - 2 Leads
LED-5RGB-2 Tri-Color 5mm slow cycling RGB LED - 2 Leads
US$0.99

These are 5mm diffused RGB LEDs with only two pins that will slowly change color when voltage and ground is applied.

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35LH004 Bayonet Lamp Socket T3¼
US$1.06
This is a T3¼ lamp socket E10 holder bayonet style.  
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35LH010 Screw Insulated Lamp Socket T3¼
35LH010 Screw Style T3¼ Lamp Socket E10
US$0.83
This is a T3¼ lamp socket holder E10 screw style.  
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1376-ADA NeoPixel Digital RGB LED Weatherproof Strip 30 LED -1m
1376-ADA NeoPixel Digital RGB LED Weatherproof Strip 30 LED -1m
US$29.67
These LED's use about 9.5 Watts max (~2 Amps @ 5V) per meter. The max rating is assuming all the LEDs are on full white, usually the actual current for colorful design is about 1/3 to 1/2 the max current. A good power supply such as our 5V 2A or 10A supply is key!
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COM-11841 LED Holder - 10mm
COM-11841 LED Holder - 10mm
US$0.97
These LED holders accept a 10mm LED and mount into an 35/64" diameter hole.
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COM-11840 LED Holder - 5mm
COM-11840 LED Holder - 5mm
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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1365-ADA Acrylic Stand for 16x2 Character LCD
1365-ADA Acrylic Stand for 16x2 Character LCD
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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DEV-11814 USB-to-Serial Bridge - µUSB-PA5
DEV-11814 USB-to-Serial Bridge - µUSB-PA5
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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KLC-3070RT-24V Red LED - 24VDC
KLC-3070RT-24V Red LED - 24VDC
US$6.29
This is a 24 volt DC red LED.
Delivery within 2-3 weeks
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161-ADA Photo cell (CdS photoresistor)
161-ADA Photo cell (CdS photoresistor)
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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627-ADA Electroluminescent (EL) Panel Starter Pack - 10cm x 10cm Aqua
627-ADA Electroluminescent (EL) Panel Starter Pack - 10cm x 10cm Aqua
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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81 - 95