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1 x AA Battery Holder
$0.80  
3 pc(s)
Battery holder for single AA batteries, terminated with ~150mm leads
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4-Blade Propeller - 80mm Diameter
$0.80  
6 pc(s)
Small 4 blade propeller, 80mm in diameter. It push fits directly onto our toy DC motor . NOTE: Toy DC motor not included. Dimensions : Ø80 x 12.8mm Center bore：1.9 mm
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9V Battery Snap - Heavy Duty
$0.80  
50 pc(s)
9V snap connector wth hard shell that is built stronger to last longer. Comes with color-coded wire leads. Great for replacements or projects. Length: ~ 15cm
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-50%
9V Battery Snap to 2.1mm Barrel Jack Adapter
$0.90 $1.80  
75 pc(s)
This 9V Snap to 2.1mm Barrel Jack Adapter provides the ability to conveniently use a 9V battery to power many common boards and modules such as the popular Arduino and compatible microcontrollers. This plug is a common barrel type with an outside diameter of 5.5mm and an inside diameter of...
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-30%
Relay SPDT Sealed - 3V
$0.95 $1.35  
61 pc(s)
These are general purpose, Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay's coil has switch voltage of 3V at 120mA. The contacts are rated 10A at 120VAC, 10A at 30VDC. Features : 3V DC SPDT...
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LED - RGB Clear Common Cathode - 5mm
$0.95  
205 pc(s)
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the longest pin. One for each color and a common cathode. Use this one LED for three status indicators or pulse width modulate all three and get mixed colors!...
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-30%
3 Way Spring Clamp Terminal Block (Pack of 3)
$0.95 $1.35  
126 pc(s)
This terminal block is a spring clamp electrical connector where the individual stripped conductors are clamped down to the metal part by means of a spring. Compare to screw-type terminal block, this Spring Clamp Terminal Block gives you a constant connection. It always exerts the same force on...
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Super Bright LED - Blue 5mm (10 pcs)
$0.95  
2 pc(s)
These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Features: Standard size - T1 3/4 5mm 6,000mcd brightness 3.2V forward drop Forward current 20mA Documents:...
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Super Bright LED - Blue 10mm (5 pcs)
$0.95  
30 pc(s)
Huge 10mm through hole LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Pack of 5 LEDs. Features : 465-470nm Blue 3.0-3.4VDC Forward Voltage 80mA Forward Current 30 degree viewing angle 8,000-10,000 MCD output...
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LED - RGB Clear Common Anode - 5mm
$0.95  
63 pc(s)
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins: one for each color and a common anode. Use this one LED for three status indicators or pulse width modulate all three and get mixed colors! Note: The datasheet below is for the...
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Super Bright LED - White 10mm (5 pcs)
$0.95  
20 pc(s)
Huge 10mm through hole LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Pack of 5 LEDs. Features : 3.0-3.4VDC Forward Voltage 80mA Forward Current 30 degree viewing angle 16,000-20,000 MCD output
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Super Bright LED - Yellow 5mm (10 pcs)
$0.95  
127 pc(s)
These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Features: Standard size - T1 3/4 5mm 7,000mcd brightness 2.0V forward drop Forward current 20mA Documents:...
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M3 Hex Brass Standoff Mounting Kit #1
$0.95  
2 pc(s)
This Mounting Kit is used to secure HC-SR05 Ultrasonic Sensor Adaptor and Line Follower Array to our 2WD Robot Chassis Kit . Kit includes: M3 Standoff (2 pcs each) 10mm 20mm M3 Screw (4 pcs) M3 Nuts (4 pcs)
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-30%
Potentiometer 10K with Knob
$0.95 $1.35  
587 pc(s)
There are lots of potentiometer out there. Some are very large, some so small they require a screwdriver. This 10K potentiometer has a small knob built right in and it's breadboard friendly to boot! Perfect for your next LCD contrast adjuster, opamp setting, or volume level. This model # is...
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2 Way Spring Clamp Terminal Block (Pack of 3)
$0.95  
16 pc(s)
This terminal block is a spring clamp electrical connector where the individual stripped conductors are clamped down to the metal part by means of a spring. Compare to screw-type terminal block, this Spring Clamp Terminal Block gives you a constant connection. It always exerts the same force on...
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Super Bright LED - Green 5mm (10 pcs)
$0.95  
51 pc(s)
These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Features: Standard size - T1 3/4 5mm 18,000mcd brightness 3.2V forward drop Forward current 20mA Documents:...
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Super Bright LED - White 5mm (10 pcs)
$0.95  
54 pc(s)
These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Features: Standard size - T1 3/4 5mm 22,000mcd brightness 3.2V forward drop Forward current 20mA View angle 15 Deg...
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Super Bright LED - Red 5mm (10 pcs)
$0.95  
6 pc(s)
These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. All lenses are clear. Features: Standard size - T1 3/4 5mm 8,000mcd brightness 2.0V forward drop Forward current 20mA Documents:...
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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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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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-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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-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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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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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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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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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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-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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-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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-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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-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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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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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 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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-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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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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-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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-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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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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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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5 x AA Battery Holder
$1.30  
21 pc(s)
Battery holder for five AA batteries, terminated with ~150mm leads
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2 x AAA Battery Holder with JST Connector
$1.40  
1 pc(s)
This 2xAAA Battery Cage with JST connector is compatible with the BBC micro:bit. Supplied with colour coded power leads and a JST connector at the end, this battery cage is light and features a M3 mounting hole in the centre so it can be attached to the back of BBC micro:bit cases. The JST...
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6 x AA Battery Holder
$1.40  
19 pc(s)
Battery holder for six AA batteries, terminated with ~150mm leads
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Grove Cable With 4-Pin Female Jumper
$1.50  
2 pc(s)
This Grove Cable with 4-Pin Female Jumper lets you bridge between a Grove socket and device with standard 1" header pins. Cable length approx. 200mm
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Protoboard, Double-Sided Pad-per-Hole, 3x7cm
$1.50  
4 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 3 x 7cm, 1.6mm thick
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Small Wheel For Toy Motor - 17.5mm Diameter
$1.50  
14 pc(s)
This custom-designed plastic wheel has a rubber tire measuring 17.5mm in diameter and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . Wheel body: ø17.5 x 6.5mm
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RGB LED Module - 5mm
$1.50  
17 pc(s)
The RGB LED module allows for individual control of red, green, or blue colors all in a single module. Features: 5mm clear RGB LED 3.3V and 5.0V compatible
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5mm Fast Flashing RGB LED - Clear (10pcs)
$1.50  
31 pc(s)
These are very interesting 5mm diffused RGB LEDs - instead of having 4 pins to control 3 LEDs, they have only two leads - power and ground. When powered, the LEDs perform a flashing effect with all the colors. There is no way to change the 'program' or rate, its burned into a little chip that...
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Infrared Remote Control (21 Buttons)
$1.50  
10 pc(s)
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to wirelessly control a device. This 21 buttons remote controller works with TSOP38238 infrared receiver which have an operating voltage from 2.5V - 5.5V. Includes :...
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Toy DC Motor Bracket - Plastic
$1.50  
13 pc(s)
This compact plastic bracket enables convenient mounting of our popular Toy DC Motors . Note: Toy DC motor not included. Documents : Dimension drawing
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8 x AA Battery Holder, Back-to-Back
$1.50  
2 pc(s)
This is a simple Battery holder for eight AA cells arranged as two back-to-back four-cell holders.
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3.5mm 4-Pole (TRRS) Plug w/Spring Strain Relief
$1.50  
10 pc(s)
Repair or design your very own audio cables with these nice and durable phono-jack connectors. This is a great plug to make your own cable with. it's made out of durable metal with a flexible, sturdy spring for strain-relief. Just solder the connector to some wires and you have a DIY audio...
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-21%
Analog 2-axis Thumb Joystick with Select Button
$1.55 $1.95  
3 pc(s)
This kit makes it easy to mount a PS2-like thumb joystick to your project. The 2-axis joystick contains two independent potentiometers (~10k ohm, one per axis, ) for reporting the joystick's position and a 'press in to select' button. Since it's analog, you'll need two analog reading pins on...
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HerkuleX Interface Cable - 75mm
$1.60  
2 pc(s)
Interface cable for Hovis humanoid robot and HerkuleX Smart Servo. Length: 75mm
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-30%
Membrane 4x4 Matrix Keypad
$1.65 $2.35  
5 pc(s)
This 16-button keypad provides a useful human interface component for microcontroller projects. It's made of a thin, flexible membrane material with an adhesive backing so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 8 microcontroller pins...
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-30%
Membrane 3x4 Matrix Keypad
$1.65 $2.35  
3 pc(s)
This 12-button keypad provides a useful human interface component for microcontroller projects. It's made of a thin, flexible membrane material with an adhesive backing so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 7 microcontroller pins...
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Screw Nut Set for HC-SR04 Ultrasonic Sensor
$1.65  
21 pc(s)
This screw / bolt set is specially sourced for HC-SR04 Ultrasonic sensor. Each set consists 4 pieces of screws, nuts and washer. Screw length: 10mm
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Active Piezo Buzzer 3-24VDC Pulse Tone
$1.70  
5 pc(s)
Loud sounders that may be powered with a voltage of anywhere from 3.0 to 24VDC. It has additional circuitry in it which makes it easier to use but limits the buzzer to only making one type of a sound (tone). It only requires DC power source for the tone to be generated. This buzzer is...
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Active Piezo Buzzer 3-24VDC Continuous Tone
$1.70  
Out-of-stock
Loud sounders that may be powered with a voltage of anywhere from 3.0 to 24VDC. It has additional circuitry in it which makes it easier to use but limits the buzzer to only making one type of a sound (tone). It only requires DC power source for the tone to be generated. This buzzer is...
Out-of-stock
Type 2 NFC White Tag - NTAG213
$1.70  
155 pc(s)
This blank NFC type 2 tag contains a small NTAG213 RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. You can use PN532 NFC/RFID breakout board , Adafruit NFC/RFID Shield for Arduino and almost any NFC enabled mobile device to...
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Mini Breadboard - Yellow
$1.75  
13 pc(s)
This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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