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1426-ADA NeoPixel Stick - 8 x WS2812 5050 RGB LED with Integrated Drivers
1426-ADA NeoPixel Stick - 8 x WS2812 5050 RGB LED with Integrated Drivers
US$10.42
We crammed 8 of the tiny 5050 (5mm x 5mm) smart RGB LEDs onto a PCB with mounting holes and a chainable design. Use only one microcontroller pin to control as many as you can chain together!
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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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MR400-002 16x2 Character LCD Blue LED Backlight
MR400-002 16x2 Character LCD Blue LED Backlight
US$15.33
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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MR007-005.1 LCD Shield for Arduino 16x2 Blue LED Backlight
MR007-005.1 LCD Shield for Arduino 16x2 Blue LED Backlight
US$34.65

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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