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Shaft - Solid 2mm Diameter x 110mm
$0.10 $0.20  
5 pc(s)
These 110mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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Shaft - Solid 2mm Diameter x 100mm
$0.10 $0.20  
12 pc(s)
These 100mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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-10%
SGBotic Micro:bit Starter Kit (w/BBC micro:bit v2.2)
$62.95 $69.95  
2 pc(s)
If you are a beginner looking to learn programming and electronics, look no further than this SGBotic Micro:bit Starter Kit. This kit is designed to introduce programming and basic electronic interfacing to a user with absolutely no experience in these areas. It contains everything you need...
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Servo - Generic Metal Gear (Micro Size)
$7.95 $9.95  
202 pc(s)
Here is a simple, low-cost, high quality servo for all your mechatronic needs. This servo is able to take in 6 volts and deliver 3.2kg of maximum torque at 0.18 sec/60° This is a small servo with a standard 3 pin power and control cable (red = power, brown = ground, and yellow = data). The...
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Serial Enabled 20x4 LCD - Black on Green 5V
$22.75 $37.85  
1 pc(s)
The serial enabled LCD allows you to control a parallel based LCD over a single-wire serial interface. Included in this product is a black on green 20x4 LCD connected to our serial backpack. The backpack, based around a PIC16F88, takes a TTL serial input and prints the characters it receives...
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Serial Enabled 16x2 LCD - White on Blue 5V
$19.95 $33.20  
5 pc(s)
The serial enabled LCD allows you to control a parallel based LCD over a single-wire serial interface. Included in this product is a white on blue 16x2 LCD connected to our serial backpack. The backpack, based around a PIC16LF88, takes a TTL serial input and prints the characters it receives...
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-33%
Screw Terminals 5mm Pitch (2-Pin)
$0.50 $0.75  
53 pc(s)
Screw Terminals with 5mm pitch pins. Comes in 2 positions and have the really cool feature of slide-locking together to form any size you need (4, 6, up to 20 without problems). Rated up to 300V @ 8A. Terminal can accept 26 to 14AWG wire. 5mm/197mil pin pitch will line up well with standard...
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Sabertooth 2x25A 6V-24V Regenerative Motor Driver (v2)
$188.00 $235.00  
2 pc(s)
The Sabertooth 2X25 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is suitable for high powered robots - up to 100lbs in combat or 300lbs for general purpose robotics. Out of the box, the Sabertooth can supply two DC brushed motors with up...
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-7%
RS232 Shifter SMD Without DB9
$15.75 $17.00  
5 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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-6%
RS232 Shifter SMD
$23.00 $24.50  
2 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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-33%
Rocker Switch - SPST Medium
$0.60 $0.90  
2 pc(s)
This switch is about the same size as our Rocker Switch -DPDT except that it's single-pole single-throw. It's rated for 6A@250V / 10A@125VAC and can be snap-in panel mounted. Documents : Dimensional Drawings
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-33%
Rocker Switch - SPDT Small
$0.60 $0.90  
29 pc(s)
The rocker switch is a classic and this one is a great size for an unobtrusive on/off switch. It can be panel mounted and has two tabs for connecting wire. You can either solder wire or use a quick-connect connector. Features : Maximum Voltage: 250VAC Maximum Current: 3A @...
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Rocker Switch - DPDT
$0.60 $0.90  
34 pc(s)
This switch is about the same size as our right angle rocker switch except that it's double-pole double-throw. It's rated for 10 Amps at 125VAC and can be snap-in panel mounted. Documents : Dimensional Drawings
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RGB LED Matrix Panel - 32x32
$69.95 $75.00  
1 pc(s)
Are you looking to add a lot of color to your project? These massive 32x32 RGB LED panels are an awesome place to start. You can create animations, games, or all sorts of other fun displays with them. Yes, you read that right: a 32x32 LED matrix, that's 1024 LEDs on a 7.5" x 7.5" board. On...
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RFID Tag 25mm diameter - 125kHz
$3.60 $4.50  
48 pc(s)
RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID number. It is not re-programmable (read-only). This tag is...
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RFID Tag - 125kHz
$2.35 $2.95  
19 pc(s)
RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID. It is not re-programmable. This blank, smooth, and mildly...
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RF Link Transmitter - 315MHz
$6.30 $7.90  
4 pc(s)
These wireless receivers work with our 315MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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RF Link Receiver - 4800bps (434MHz)
$8.50 $9.10  
2 pc(s)
These wireless receivers work with our 434MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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RF Link Receiver - 4800bps (315MHz)
$7.25 $9.10  
6 pc(s)
These wireless receivers work with our 315MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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Resistor Kit - 1/4W 1% (600 total)
$6.40 $8.00  
9 pc(s)
Don't you hate it when you're in the middle of a build and you don't have a certain value of resistor? Don't let it happen again with this resistor kit. This kit contains a resistor color code chart and 20 each of 30 standard value 1/4 Watts resistors with 1% tolerance. It's perfect for starting...
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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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-32%
Reed Switch
$2.00 $2.95  
Out-of-stock
This is a small device called a reed switch . When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic field is removed, the reeds separate and the switch opens. This makes for a great...
Out-of-stock
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RedBot - Robotic Development Platform
$39.95 $49.95  
6 pc(s)
The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver and Ardiuno combination with various headers and connections, eliminating the need to stack multiple shields. By using the RedBot accessory boards and your own chassis, you...
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-33%
RCA Video Cable - 6'
$3.00 $4.50  
1 pc(s)
RCA cables are super handy for moving analog signals around. This is a great way to connect a composite video capable device, like the Raspberry Pi, to a suitable display. They also come in handy if you want to hook up your old-school analog gaming consoles, you know it's always impossible to...
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Raspberry Pi Zero Mini Camera - 72 Degree 60mm
$32.00 $40.00  
5 pc(s)
This teeny-weeny Camera Board is the perfect companion to the popular Raspberry Pi Zero! The sensor is 5MP, and the components are mounted on the flexible circuit board. As such, a little care is needed when handling, just like the connector on the Pi Zero. It's a great camera in a tiny...
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Raspberry Pi Zero Mini Camera - 72 Degree 150mm
$36.00 $45.00  
5 pc(s)
This teeny-weeny Camera Board is the perfect companion to the popular Raspberry Pi Zero! The sensor is 5MP, and the components are mounted on the flexible circuit board. As such, a little care is needed when handling, just like the connector on the Pi Zero. It's a great camera in a tiny...
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Raspberry Pi Zero Mini Camera - 160 Degree 60mm
$36.00 $45.00  
5 pc(s)
This teeny-weeny Camera Board is the perfect companion to the popular Raspberry Pi Zero! The sensor is 5MP, and the components are mounted on the flexible circuit board. As such, a little care is needed when handling, just like the connector on the Pi Zero. It's a great camera in a tiny...
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Raspberry Pi Zero Mini Camera - 120 Degree 60mm
$32.00 $40.00  
2 pc(s)
This teeny-weeny Camera Board is the perfect companion to the popular Raspberry Pi Zero! The sensor is 5MP, and the components are mounted on the flexible circuit board. As such, a little care is needed when handling, just like the connector on the Pi Zero. It's a great camera in a tiny...
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Raspberry Pi Infrared-Sensitive Camera w/Fisheye Lens
$48.00 $60.00  
6 pc(s)
The Raspberry Pi Infrared-Sensitive Camera Module is a custom designed add-on for Raspberry Pi that does not have an 'IR cut filter' installed. Similar to the regular Pi camera, it attaches to Raspberry Pi by way of one of the two small sockets on the board upper surface. This interface uses...
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Raspberry Pi Infrared-Sensitive Camera w/Adjustable Focus Lens
$39.00 $48.75  
6 pc(s)
The Raspberry Pi Infrared-Sensitive Camera Module is a custom designed add-on for Raspberry Pi that does not have an 'IR cut filter' installed. Similar to the regular Pi camera, it attaches to Raspberry Pi by way of one of the two small sockets on the board upper surface. This interface uses...
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-25%
Raspberry Pi GPIO Tall Header - 2x20
$2.90 $3.85  
22 pc(s)
This 2x20 "tall" header has the same number and spacing of pins as a Raspberry Pi and provides your board with the ability to extend the heights of your GPIO to accommodate for enclosures or other parts that can encapsulate your Pi. This through-hole header has 40 0.1"-spaced pins and can...
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-36%
Quad-band Cellular Duck Antenna SMA
$8.00 $12.55  
2 pc(s)
This is a small, high-quality, quad-band, regular SMA terminated, cellular antenna. Specifications: GSM/850E : 824 to 894MHz GSM : 880 to 960MHz DCS : 1710 to 1880MHz PCS : 1850 to 1990MHz Documents: GSM Antenna 850-1900MHz
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Push Button Assortment Pack of 5 (Assembled)
$5.50 $7.85  
30 pc(s)
These push buttons are great for all sorts of projects. This assortment comes with 5 different colors and the button is soldered to a breakout board with a 10K pull-up resistor and 2.54mm male header. The colored caps are removable . The dimension of the button is 12mm x 12mm.
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-31%
Push Button 33mm - Yellow
$1.80 $2.60  
28 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg...
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-31%
Push Button 33mm - Pink
$1.80 $2.60  
26 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated...
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-31%
Push Button 33mm - Green
$1.80 $2.60  
20 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated...
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Pulley For Toy Motorr - 17mm Diameter
$0.15 $0.30  
8 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 17mm and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . Wheel body: ø17 x 4mm
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Pulley For Toy Motor and TT Motor - 36mm Diameter
$0.15 $0.30  
46 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 36mm and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . It also has a slot for fitting onto our TT motor and comes with a mounting screw for...
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Pulley For Toy Motor and TT Motor - 30mm Diameter
$0.15 $0.30  
45 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 30mm and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . It also has a slot for fitting onto our TT motor and comes with a mounting screw for...
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-27%
Programming Fixture 8266 - ESP8266
$25.50 $34.95  
6 pc(s)
The Programming Fixture 8266 is an innovative programming / testing tool specially designed for ESP-07 , ESP-07S, ESP-12F and ESP-12S. It provides an efficient way to program and test the ESP8266 module before soldering the module to the board. User just need to place the module on the...
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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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-15%
PIR Motion Sensor
$13.20 $15.50  
5 pc(s)
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. Red wire is power (5 to 12V). White wire is GND. Black wire is open collector Alarm....
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-20%
PicoBoard
$55.20 $69.00  
1 pc(s)
The PicoBoard allows you to create interactions with various sensors. Using the Scratch programming language, you can easily create simple interactive programs based on the input from sensors. The PicoBoard incorporates a light sensor, sound sensor, a button and a slider, as well as 4...
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-28%
Photo Interrupter GP1A57HRJ00F
$4.00 $5.55  
3 pc(s)
This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a beam of infrared light from one upright to the other, the sensor can detect when an object passes between the uprights, breaking the beam. Used for many applications...
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-31%
Panel Mount Toggle Switch - SPDT
$0.55 $0.80  
5 pc(s)
This heavy duty single-pole, double-throw (SPDT) toggle switch makes a great power switch or state selector for user interface. Rated for 6A at 125VAC. Includes a two threaded nuts and washer for mounting.
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-33%
Panel Mount Toggle Switch - DPDT
$0.60 $0.90  
1 pc(s)
This heavy duty double-pole, double-throw (SPDT) toggle switch is great for any project where you need two switches each with two options to select between. Rated for 6A at 125VAC. Includes threaded nuts and washer for mounting. Features! DPDT 6 Terminal ON-OFF-ON 3 - Position...
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-20%
Panel Mount Pushbutton - Latching (12mm, Red)
$0.60 $0.75  
5 pc(s)
This is the basic SPDT panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including...
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Panel Mount Pushbutton - Latching (12mm, Green)
$0.60 $0.75  
38 pc(s)
This is the basic SPDT panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 3A@125VAC / 1.5A@250VAC. Overall length (including...
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-33%
Panel Mount Pushbutton - Latching (10mm, Red)
$0.50 $0.75  
28 pc(s)
This is the basic panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 1A@250VAC. Overall length (including leads) is 32mm and...
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-11%
Non-Invasive Current Sensor - 30A
$15.50 $17.50  
1 pc(s)
This non-invasive current sensor (also known as a “split core current transformer”) can be clamped around the supply line of an electrical load to tell you how much current is passing through it. It does this by acting as an inductor and responding to the magnetic field around a...
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-20%
MP3 Trigger
$60.00 $75.00  
1 pc(s)
Make some noise with your next project! The MP3 Trigger board is built to make it MP3 sound integration easier than ever. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides full transport control,...
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-15%
MOSFET Power Controller
$12.50 $14.75  
2 pc(s)
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also has sewable pads so you can use it in e-textile projects that need more juice....
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-51%
Momentary Push Button Switch - 12mm Square
$0.17 $0.35  
230 pc(s)
This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clicks' really well). This button is great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!
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-40%
Mini Thermal Printer
$45.00 $75.00  
1 pc(s)
This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly) and it even generates several different formats of barcodes! The thermal printer takes 57mm wide thermal paper with a...
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-50%
Mini Push Button Switch
$0.10 $0.20  
1043 pc(s)
Miniature Single Pole Single Throw switches. These are high quality momentary on switches. Perfect as a tactile reset switch. Mounts directly into standard bread boards. Rated up to 50mA. Documents : Datasheet (TSS-TC-0104)
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-20%
Mifare 13.56MHz RC522 RFID Card Reader (3.3V Supply)
$6.35 $7.95  
5 pc(s)
MFRC522 is the highly integrated RFID card reader which works on non-contact 13.56MHz communication. Designed by NXP as a low power consumption, low cost and compact size read and write chip, this MFRC522 is the best choice in the development of portable hand-held devices. It supports...
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microSD Shield
$19.60 $24.50  
1 pc(s)
Running out of memory space in your Arduino project? The SparkFun microSD Shield equips your Arduino with mass-storage capability, so you can use it for data-logging or other related projects. Communication with microSD cards is achieved over an SPI interface. The SCK, DI, and DO pins of the...
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-30%
microSD Card - 64GB (Class 10, UHS-I )
$14.00 $20.00  
9 pc(s)
This is a class 10 64GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information. Since this is a class 10 UHS-I microSD it is capable of transferring data at speeds up to 100MB/s allowing it to have a noticeable increase in...
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micro:Gamepad
$13.50 $27.00  
10 pc(s)
Micro:bit gamepad is an expansion gamepad based on micro:bit. You only need to plug in the micro:bit, it will turn into a wireless remote controller a wireless game console. This product packaged with acrylic plate, that giving it a good feel and no longer feels like a bare circuit...
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-20%
MEMS Microphone Breakout - INMP401 (ADMP401)
$12.80 $16.00  
1 pc(s)
This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone's input can fit flush against the enclosure of your project. Plus you will not have to deal with trying to solder the...
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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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-21%
LPG Gas Sensor - MQ-6
$5.95 $7.50  
1 pc(s)
This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing  LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response...
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