Opto/Illumination

US$54.55
This is a strip of WS2812b LEDs that are individually addressed to make light patterns. They require a controller like the Arduino to drive them and won’t light up if you just power them. They’re driven from 5V power instead of the usual 12V for non-addressable RGB strips, and will burn up if given more than 6V. Connectors are already soldered into, and the strip is encased in a silicone tubing sealed on both ends for waterproofing.
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US$13.60
These LED strips are ultra bright, fun and glowy. There are 60 cool white LEDs per meter, and you can control the entire strip at once with any microcontroller and a power transistor. The way they are wired, you will need a 9-12VDC power supply and connect directly. If you want to dim the strip, use any NPN or N-channel MOSFET (although the big powerful kind is good for a large strip) and PWM the input.
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US$44.98
This kit includes everything you need to use your light strip right out the box! The LED strip is great for mounting on any smooth surface for any festive occasions or projects, it’s composed of 50x50 mm RGB LEDS that are spaced 1cm apart. It comes with an IR Controller and a 44-key IR remote, plus a 12V 5A power supply.
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US$9.23

This small module allows you to control two 4-digit 7-segment displays with one SPI port, saving you a lot of pins in the process! Five pins are used to control the display: VCC 5V, GND GND, DIN P00, CS P01, CLK P02.

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US$10.42
The IS31FL3731 will let you get back to that classic LED matrix look, with a nice upgrade! This I2C LED driver chip has the ability to PWM each individual LED in a 16x9 grid so you can have beautiful LED lighting effects, without a lot of pin twiddling. Simply tell the chip which LED on the grid you want lit, and what brightness and it's all taken care of for you.
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US$9.79
Those lights are traditionally used as clearance lights on trailers, boats and trucks, but can be used everywhere robust and waterproof lighting is needed. The six LED lights are enclosed in a sealed plastic case with two mounting holes, and the connection wires are coming out from the back.
Delivery within 2-3 weeks
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US$9.79
Those lights are traditionally used as clearance lights on trailers, boats and trucks, but can be used everywhere robust and waterproof lighting is needed. The six LED lights are enclosed in a sealed plastic case with two mounting holes, and the connection wires are coming out from the back.
Delivery within 2-3 weeks
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US$34.92
24 ultra bright smart LED NeoPixels are arranged in a circle with 2.58" (65.5mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim.
Delivery within 2-3 weeks
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US$16.63
12 ultra bright smart LED NeoPixels are arranged in a circle with 1.45" (37mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim.
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US$12.17
The NeoPixel is 'split', one half is the RGB you know and love, the other half is a white LED with a yellow phosphor. Unlit, it resembles an egg yolk. Lit up these are insanely bright (like ow my eye hurts) and can be controlled with 8-bit PWM per channel (8 x 4 channels = 32-bit color overall). Great for adding lots of colorful + white dots to your project!
Delivery within 2-3 weeks
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US$4.32
A useful device to have for reducing cabling on multiple LCDs. This device converts the Serial communication into I2C, meaning this will result in only four cables being used! Comes with a potentiometer on the back for adjusting contrast when needed. Specs: Compatible for 1602 LCD. Supply voltage: 5V. Weight: 5g. Size: 5.5 x 2.3 x 1.4cm.
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US$18.13
This is a 16 column by 4 row LCD Display with yellow colored text and a blue backlight. The connection pins on the top are the standard connections for serial communication with standard Arduino microcontrollers. There are 16 pins for the connection port, requires a potentiometer to control contrast or a i2c backpack. Works with the standard Arduino liquid crystal library, easy to interface for any projects you may have in mind!
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US$2.19
A simple red laser breakout board makes it easy to interface with any microcontroller that supplies 5v for logic and voltage. This unit has three pins and two markings to indicate the pinouts. The first marking is S for signal, followed by the second pin for voltage and the third pin with the marking – for GND.
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US$70.48
This is a strip of WS2812b LEDs that are individually addressed to make light patterns. They require a controller like the Arduino to drive them and won’t light up if you just power them. They’re driven from 5V power instead of the usual 12V for non-addressable RGB strips, and will burn up if given more than 6V.
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US$4.65
There are three ways of identifying the polarity of an LED. The first method is look at the cap, the cut end is noted as negative or cathode. The second method is the Leads, the longest pin is considered the positive or anode. The third method is looking inside the cap to find the biggest trace, that is considered the cathode or negative end. Manufacturing mistakes happen from time to time, the LEDs are 5mm in RED and have the first method; cut off on the wrong end. Other than that this unit functions perfectly fine!
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