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Infra-red Phototransistor 940nm
$0.99  
28 pc(s)
This is a very simple, clear infrared phototransistor. These devices operate between 940-950nm and work well with our infrared LED . Phototransistors are similar to photoresistors (or LDR) but produce both current and voltage, while photoresistors only produce current....
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Diffused Green LED - 10mm (5 pcs)
$1.00  
1 pc(s)
Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. Pack of 5 diffused green LEDs. Features : 520-525nm Green 3.0-3.4VDC Forward Voltage 20mA Forward Current 40 degree viewing angle 150-180...
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-50%
Break Away Headers - Right Angle
$1.00 $2.00  
1218 pc(s)
A row of right angle headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
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-50%
3 x AAA Battery Holder with Cover and Switch
$1.00 $2.00  
13 pc(s)
Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
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Diffused Blue LED - 5mm (10 pcs)
$1.00  
118 pc(s)
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very basic 5mm LED with a blue lens. It has a typical forward voltage of 3.1V and a rated forward current of 20mA. Pack of 10 diffused blue LEDs....
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Diffused Yellow LED - 10mm (5 pcs)
$1.00  
13 pc(s)
Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. Pack of 5 diffused Yellow LEDs. Features : 620-625nm Red 1.8-2.2VDC Forward Voltage 20mA Forward Current 40 degree viewing angle 100-150...
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WS2812 Diffused RGB LED, PTH 8mm
$1.00  
7 pc(s)
We know this looks like a lot of our other LEDs, but it's not! This is a PTH Addressable RGB LED with a WS2812 control IC built right into the LED. This PTH version is incredibly similar to its SMD cousin, except it is breadboard friendly and a lot simpler to solder into your project and is...
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-26%
Thermistor 10K
$1.00 $1.35  
11 pc(s)
10K thermistor with a negative temperature coefficient. Good choice for temp-sensing aplications. Vishay part #: NTCLE100E3103JB0 Note: You get only one thermistor. Document: Datasheet
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0.1" (2.54mm) Crimp Connector Housing: 1x1-Pin 25-Pack
$1.00  
2 pc(s)
These housings work with our crimp pins to let you quickly make custom cables that mate with various 0.1"-spaced connectors, including male and female headers and solderless breadboards .
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-33%
8 x AA Battery Holder - Cube End-to-End
$1.00 $1.50  
17 pc(s)
Battery holder for eight AA batteries with ~140mm leads, cube end-to-end configuration.
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-17%
4 x AA Battery Holder
$1.00 $1.20  
23 pc(s)
Battery holder for four AA batteries, terminated with ~150mm leads
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-46%
1 x AA Battery Holder with Cover and Switch
$1.00 $1.85  
19 pc(s)
This 1xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover and an ON/OFF switch which can be used to control power to your project. The leads are about 150mm, and the last 5mm of them are tinned. Dimensions: 69 x 26...
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-50%
3 x AA Battery Holder with Switch and Cover
$1.00 $2.00  
1 pc(s)
Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
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Mini Photocell (LDR - Light Dependent Resistor)
$1.00  
68 pc(s)
This is a very small photocell. A photocell changes (also called a photodetector , CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make great ambient light triggers (when light in the room turns on, do something)....
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Diffused Yellow LED - 5mm (10 pcs)
$1.00  
26 pc(s)
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very basic 5mm LED with a yellow lens. It has a typical forward voltage of 2.0V and a rated forward current of 20mA. Pack of 10 diffused yellow LEDs....
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Diffused Green LED - 5mm (10 pcs)
$1.00  
85 pc(s)
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very basic 5mm LED with a green lens. It has a typical forward voltage of 2.0V and a rated forward current of 20mA. Pack of 10 diffused green LEDs....
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WS2812 Diffused RGB LED, PTH 5mm
$1.00  
27 pc(s)
We know this looks like a lot of our other LEDs, but it's not! This is a PTH Addressable RGB LED with a WS2812 control IC built right into the LED. This PTH version is incredibly similar to its SMD cousin, except it is breadboard friendly and a lot simpler to solder into your project and is...
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Diffused Red LED - 5mm (10 pcs)
$1.00  
9 pc(s)
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very basic 5mm LED with a green lens. It has a typical forward voltage of 2.0V and a rated forward current of 20mA. Pack of 10 diffused red LEDs....
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-30%
Breadboard-Friendly 3.5mm Stereo Headphone Jack
$1.05 $1.50  
84 pc(s)
Pipe audio in or out of your project with this very handy breadboard-friendly audio jack. It's a stereo jack with disconnect-switches on Left and Right channels as well as a center ground pin. You can use any 3.5mm stereo cable with this jack. The pins are on 2.54mm spacing so it plugs very...
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Nylon Ball Caster Wheel
$1.20  
39 pc(s)
The Nylon Ball Caster has the capbility to support maximum 10kg payload. The Caster is strong and lightweight. It has 20mm high round body, with a total weight of only 25g. Documents : Dimension drawing
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Photocell Light Sensor Module (Analog Output)
$1.20  
8 pc(s)
The LDR Sensor Module is used to detect the presence of light / measuring the intensity of light. The output of the module goes LOW in the presence of light and it becomes HIGH in the absence of light. Features: Voltage: 3.3V~5V Analog output Dimensions: 21 x...
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-20%
4 x AA Battery Holder with Barrel Jack
$1.20 $1.50  
36 pc(s)
This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino Uno (among a number of other products) allowing you to easily make your project...
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Infra-red LED 950nm - 5mm (10 pcs)
$1.20  
89 pc(s)
This is a very simple, clear infrared LED. These devices operate between 940-950nm and work well for generic IR systems including remote control and touch-less object sensing. Pair them with any of our IR receivers (see Related Items below). 1.5VDC forward voltage and 50mA max forward...
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-11%
Educational Traffic Light Module
$1.20 $1.35  
3 pc(s)
The Educational Traffic Light Module is a low cost hardware module designed to allow users to take their first steps into interfacing microcontroller with the real world. It is designed to remove many of the common hurdles people are faced with when getting started using hardware with the...
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