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Passive Piezo Buzzer w/Leads -13mm
$2.90  
3 pc(s)
This is a small 13mm round passive buzzer that operates around the audible 4kHz range. We drove it directly from a 3v to 5V Arduino or micro:bit to generate simple melody. The buzzer leads are terminated with male pin. Note : This passive buzzer requires a square wave (PWM) signal to...
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-50%
Single Row Break Away Pin Header - Straight (Blue)
$0.75 $1.50  
135 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm
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-50%
Single Row Break Away Pin Header - Straight (Red)
$0.75 $1.50  
25 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm
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Single Row Break Away Pin Header - Straight (White)
$0.75 $1.50  
15 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm
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-50%
Single Row Break Away Pin Header - Straight (Yellow)
$0.75 $1.50  
240 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm
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Beefcake Relay Control Kit (Ver. 2.0)
$12.50  
1 pc(s)
Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control. Only minimal assembly is...
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Outdoor Type 2 NFC Tag - NTAG213 (Diameter 40mm)
$6.50  
1 pc(s)
This disc-shaped, waterproof tag contains a small NTAG213 RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple centimeter away.. The housing will withstand rugged conditions and is designed for outdoor use. It can be secured with screws. You can...
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Outdoor Type 2 NFC Tag - NTAG213 (Diameter 52mm)
$6.95  
5 pc(s)
This disc-shaped, waterproof tag contains a small NTAG213 RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple centimeter away.. The housing will withstand rugged conditions and is designed for outdoor use. It can be secured with screws. You can use...
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USB microB Cable - 1.5 meter
$3.00 $5.00  
1158 pc(s)
USB 2.0 type A to micro USB 5-pin. This is a new, smaller connector for USB devices. Micro USB connectors are about half the height of mini USB. Micro USB is found on newer hand held devices like cell phones and portable media devices. Connector shape may vary slightly from image as our stock...
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Cool White LED Flexi-Strip - 5V (Bare, 5 meters)
$36.00  
3 pc(s)
These single color LED strip feature 60 ultra bright cool white LEDs on one meter. As these are bare LED strips that have no protective coating, your project won't be water proof but there is access to each LED and each strip length can be easily modified. Each of these strips need a 3V to 5V...
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WS2812B RGB Matrix - 8x8 (64 LED)
$12.99  
6 pc(s)
This is the RGB LED matrix panel with 64 WS2812B LEDs arranged in an 8x8 matrix. Each LED is capable of drawing as much as 60mA (at peak brightness the matrix can draw just over 3.5 Amps at 5 Volts), this adds up so it is suggested to use a 5V 2A power supply. For most uses, you'll see about...
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2.8" TFT Resistive Touch Shield for Arduino w/microSD Socket
$25.00  
1 pc(s)
The 2.8" resistive touch LCD shield is specifically designed for the Arduino Uno and Mega. It features 2.8" screen with 240x320 pixels, and has a resistive touchscreen attached for direct user interaction. The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply...
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Transistor - NPN, 60V 200mA (2N3904)
$0.50  
111 pc(s)
These are very common, high quality BJT NPN transistors made by ON Semiconductor. Documents : Datasheet
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Transistor - PNP, 60V 200mA (2N3906)
$0.50  
143 pc(s)
These are very common, high quality BJT NPN transistors made by Fairchild Semiconductor. Documents : Datasheet
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Voltage Regulator - 3.3V
$2.75  
20 pc(s)
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a great amount of stability and protection for your project and with its on chip trimming this regulator is able to reach an output voltage tolerance...
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-20%
4 x AAA Battery Holder with Cover and Switch
$2.00 $2.50  
13 pc(s)
Enclosed battery holder for four AAA 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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Bi-axial Gear Motor (1:94)
$3.50  
1 pc(s)
This bi-axial gear motor offers a cheap and easy-to-use setup to get your project moving. It possess a 80mm long output on a 3mm diameter hexagon axis. This gear motor requires a voltage of 1.5 to 6V with a no load current of 400mA while possessing a gearbox ratio of 1:94 and a wheel...
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Bi-axial Gear Motor (1:143)
$3.50  
4 pc(s)
This bi-axial gear motor offers a cheap and easy-to-use setup to get your project moving. It possess a 80mm long output on a 3mm diameter hexagon axis. This gear motor requires a voltage of 1.5 to 6V with a no load current of 660mA while possessing a gearbox ratio of 1:134 and a wheel...
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Line Follower Sensor
$1.99  
6 pc(s)
The Line Follower sensor gives your robot the ability to detect lines or nearby objects. The sensor works by detecting reflected light coming from its own infrared LED. It can detect transitions from light to dark (lines) or even objects directly in front of it. The sensor has an...
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Low Speed Gearmotor - 3V 20rpm
$4.99  
9 pc(s)
This gear motor is designed to operate at low speed of 20rpm at 3V. It can operate up to 6V and the rotation can start at voltage as low as 0.8V. Each gear motor sports a 5mm diameter double D-shaft metal output shaft with a M3 threaded hole in the middle. The wire lead is about 12cm long...
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Low Speed Gearmotor - 5V 5rpm
$4.99  
3 pc(s)
This gear motor is designed to operate at extremely low speed of 5rpm at 5V. It can operate up to 9V and the rotation can start at voltage as low as 1.8V. Each gear motor sports a 5mm diameter double D-shaft metal output shaft with a M3 threaded hole in the middle. The wire lead is about 12cm...
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Low Speed Gearmotor - 5V 10rpm
$4.99  
4 pc(s)
This gear motor is designed to operate at extremely low speed of 10rpm at 5V. It can operate up to 9V and the rotation can start at voltage as low as 1.5V. Each gear motor sports a 5mm diameter double D-shaft metal output shaft with a M3 threaded hole in the middle. The wire lead is about...
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Mini Lock-style Solenoid - 6VDC
$5.00  
10 pc(s)
Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center of the coil. This makes the solenoid able to pull from one end. This solenoid has a slug...
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Audio Cable for BBC micro:bit
$4.50  
20 pc(s)
This is the perfect cable choice for those that want to output music or sound from BBC micro:bit to headphones or speakers. At one end of the cable are the black and red crocodile clips, which connect to the micro:bit GND and Pin 0 respectively. At the other end of the cable is a 3.5mm...
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