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LED-3B 3mm Blue LED
US$0.59
Standard diffused 3mm blue LED. Diameter: 3mm. Color : Blue Diffused. Forward Voltage Drop: 3.2-3.4V. Max. Current: 30mA. Typical Output: 995 mcd. Wavelength: 465 nm. Viewing Angle: 120 degrees. Lead Spacing: 0.1 in. (2.54 mm).
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MOD-HT16K33 LED 16x8 Matrix Driver Breakout Board
US$8.87
The HT16K33 is a neat little chip that has the ability to drive a multiplexed 16x8 matrix (128 individual LEDs). The communication protocol is I2C so it uses only 2 pins, and can have up to 8 selectable I2C addresses for a total of 8 matrices, each one controlling 16x8 LEDs (1024 total LEDs).
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LCD-MOD-10 1601 – 16x1 Character LCD with Blue LED Backlight
US$7.96
This is a basic 16 character by 1 row display. The text is white while the background lighting is blue. It requires 6 cables for data and seven for power. Additional 10kΩ potentiometer is required to adjust the brightness. This LCD display will run the LiquidCrystal Library > HelloWorld example code.
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ELS-546AG Display LED 7-SEGMENT 0.5” Single Digit Numeric, Green, DIP 565 nm (MAN6780)
US$1.99
Configuration: Common Anode. Dimensions (mm): 19 x 13 x 8 (L x W x D).
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ELS-367R Display LED 7-SEGMENT 0.36” Single Digit Numeric, Red, DIP
US$1.36
Configuration: Common Cathode. Dimensions (mm): 14 x 7 x 8 (Length x width x depth).
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ELS-321HWB Display LED 7-SEGMENT 0.3” Single Digit Numeric, Red, DIP
US$0.69
Configuration: Common Anode. Dimensions (mm): 20 x 10 x 4 (L x W x D).
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LED-STRIP-CONT5V 3 Button, Mini LED Controller for 5VDC to 24VDC Addressable LED Strips
US$9.94
This unit is designed specifically for the Addressable LED Strips. Simply connect 5VDC to the red cable and connect the black cable to ground to power the controller and LED strip. With three buttons on the back side of the white controller, you can adjust the speed in the center or toggle the mode with the exterior buttons.
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LED-RING-24S Addressable RGB 24 LED Ring based on 5050 SMD LED and WS2812 65mm
US$13.93
This LED ring is addressable allowing users to chain multiple rings together to be run by one microcontroller. The LEDs surface mounted onto the ring are based on the WS2812 tech with the package size of 50x50mm. The LEDs operate at 5vdc so you can comfortable power the ring using only your microcontroller. Each LED draws ~18mA of constant current. Every ring is equipped with a single data line with a very time specific protocol requiring a real-time microcontroller with a 8MHz or faster processor to run it. This ring has a total of 24 LEDs with an outer diameter of 65mm.
Delivery within 2-3 weeks
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AM-122 5050 RGB SMD LED Module for 5v Microcontrollers
US$2.30
This module is a simple breakout board that features a 5050 SMD RGB LED. It also features four pins so you can selectively choose which color you want to show at a time. Simply connect R,G and B to any digital pin on your microcontroller and an additional cable from – to ground on your microcontroller. To select which color to display, send 5v on the corresponding color by making active high. Only one color can be selected at a time!
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W-LED-22-10M Extension Wire 22AWG Stranded 2 Conductor, 10 meters
US$9.73
This two conductor 22AWG extension wire provides a convenient 10 meter length extension for powering LED strips or DIY projects.
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DFR0448 Gravity: Digital LED String Lights (Warm White) For Arduino
US$18.13
These LED string lights are composed of a series of LEDs that have a warm white glow. You can make fading effect using Arduino PWM.  They can be used as decorations and for other interesting applications. Use them as outdoor string lights, string lights in your bedroom, on your patio or on a globe, even as  christmas lights.
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HS-3461BS Red LED DISPLAY 7 SEGMENT 4 DIGITS COMMON ANODE
US$2.79
12 pin, common anode red 7 segment display with 4 digits.
Delivery within 2-3 weeks
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LTC4724JR 7 Segment Numeric Display 4 Digits Red DIP15
US$2.09
Configuration: Common Cathode. Character Height (inch): 0.39. Dominant Wavelength: 631nm. Intensity: 0.65mcd. Maximum Forward Current: 20Ma. Maximum Forward Voltage: 2V. Size / Dimension: 0.504" H x 1.182" W x 0.276" D (12.80mm x 30.02mm x 7.00mm).
Delivery within 2-3 weeks
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LTC4727JR 7 Segment Numeric LED Display 4-Digits Red DIP16
US$5.44
Configuration: Common Cathode. Character Height (inch): 0.39. Dominant Wavelength: 639nm. Intensity: 0.98mcd. Maximum Forward Current: 20Ma. Maximum Forward Voltage: 2V. Size / Dimension: 0.504" H x 1.582" W x 0.276" D (12.80mm x 40.18mm x 7.00mm).
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LASER-125 650nm 5mW Red Dot Laser Diode Module Class: IIIa
US$11.47
This diode can be powered using a 3.3v-6v power source, great for cnc machines and other devices that have a targeting system only. It also has a lens that allows the light to refracted into a dot shape that can be adjusted for focus. The dot is very accurate and has enough power to operate on 3AA batteries. Initial testing showed us that it could operate from 75 feet and still have clarity and precision over air!
Delivery within 2-3 weeks
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68 - 82