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1 2 3 4 5 6 7 8 9
$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....

$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...

$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....

$4.50  
10 pc(s)
Looking for a battery powered liquid pump? This non-submersible diaphragm liquid pump will operates between DC 6V to 12V. You can PWM the motor to speed up or slow down the flow rate. Works great with motor driver or a simple relay. Each diaphragm liquid pump comes with a pair of...

$5.80  
3 pc(s)
Mini Diagonal Cutters. These are great little cutters! A must have for clipping leads and extra solder tails. 4" long.

$35.00  
4 pc(s)
The DELink 2 USB Link is the perfect compliment to our Kangaroo x2 self-tuning PID motion controller. Coupled with the DEScribe software, you can upload / download settings or reset the Kangaroo to factory defaults. Utilizing the easy-to-use USB bus, changing the settings on your Kangaroo...

$42.00  
6 pc(s)
The DE-SWADJ 3 is a larger version of our DE-SWADJ adjustable step down voltage regulator. Previously it was necessary to put multiple DE-SWADJ units in parallel to achieve ratings over 1A, which was bulky, expensive and carried with it a considerable increase in dropout voltage. The...

$24.50  
2 pc(s)
The DE-SWADJ is the adjustable version of our SW0XX step down voltage regulators. It is designed to be the easiest possible way to add an adjustable voltage source to a new or existing project with all the efficiency benefits of switch-mode power. The DE-SWADJ is pin-compatible with the...

$24.95  
Out-of-stock
This is a Raspberry Pi DC motor driver board with on-board encoder interface, which can drive 2-way DC motor and DC motor with encoder. It communicates with Raspberry Pi via I2C, easy to configure and drive motors. The DC Motor Driver HAT adopts STM32 micro processor to analyze the command...
Out-of-stock

$0.50  
6 pc(s)
DC power jack / connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter.

$0.50  
52 pc(s)
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.

$0.50  
39 pc(s)
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.

$2.50  
36 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.

$2.50  
4 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.

$38.00  
Out-of-stock
Let your robotic dreams come true with the new DC+Stepper Motor HAT from Adafruit. This Raspberry Pi add-on is perfect for any motion project as it can drive up to 4 DC or 2 Stepper motors with full PWM speed control. Since the Raspberry Pi does not have a lot of PWM pins, this HAT uses...
Out-of-stock

$25.70  
2 pc(s)
This Corner Cubes can join up to three MakerBeamXL in right angle. Corner Cubes are joined with a beam by the threaded beam ends. Each set contains 12 15mmx15mmx15mm cubes Note : Not compatible with 10mmx10mm MakerBeam.

$25.70  
3 pc(s)
This Corner Cubes can join up to three MakerBeamXL in right angle. Corner Cubes are joined with a beam by the threaded beam ends. Each set contains 12 15mmx15mmx15mm cubes Note : Not compatible with 10mmx10mm MakerBeam.

$4.95  
10 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is backed by a...

$29.95  
5 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is backed by a...

$6.90  
Out-of-stock
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is backed by a...
Out-of-stock

$3.95  
6 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is...

$26.95  
5 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is...

$5.99  
9 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is...

$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...

$59.95  
2 pc(s)
Your project may be free-as-in-speech, but that doesn't mean it has to be free-as-in-beer. This handy coin validator/acceptor module is just like the ones you've seen in arcades. This model has the cool ability to accept up to 4 different coins! For example, you can program it for 4...

$10.95  
6 pc(s)
Introducing the new Circuit Explorer for BBC Micro:bit from SGBotic. This breakout board offers an easy way to connect additonal circuit and sensors to the micro:bit using the crocodile clips and copper tape. The back of the Circuit Explorer is made flat so that it can stick to any clean...

$3.95 $7.90  
18 pc(s)
Our new capacitor kit comes with 10 each of 30 different capacitance values. All of these capacitors are packed into the zip-lock bags. This kit provides an easy way to build up a catalog of commonly used capacitors in a way that keeps them organised. Includes : Ceramic...

$0.20  
500 pc(s)
This is a very common 22pF capacitor. Used with crystals for loading purposes. 0.2" spaced leads make this a perfect candidate for breadboarding and perf boarding. Rated at 50V.

$9.50  
2 pc(s)
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1011 SparkFun Capacitive Touch Breakout offers a single, momentary capacitive touch button with easy-to-use digital I/O pins. The AT42QT1011 is a dedicated,...

$9.50  
1 pc(s)
Cap nuts come in packages of 50 pieces. They will give your MakerBeam project an extra finish.

$38.25 $45.00  
1 pc(s)
The CAN-BUS Shield provides your Arduino or Redboard with CAN-BUS capabilities and allows you to hack your vehicle. This shield allows you to poll the ECU for information including coolant temperature, throttle position, vehicle speed, and engine rpms. You can also store this data or output...

$3.95  
2 pc(s)
This new version now has all 5 pins broken out on the connector. We have no idea what USB device you are hooking up to, but if you need to add a miniUSB/USB miniB connector to your breadboard - here it is. Also good for an un-regulated, non-limited 5V supply up to 100mA.

$11.90  
4 pc(s)
This Level Shifting microSD Breakout from Sparkfun is quite similar to the microSD Transflash Breakout, but with the included level shifting hardware, this board allows you to utilize a microSD card at Arduino's SD library's top speed on a 5V system. With this small breakout board, that is...

$10.95  
2 pc(s)
This small breakout board couples an Electret microphone (100Hz–10kHz) with a 60x mic preamplifier to amplify the sounds of voice, claps, door knocks or any sounds loud enough to be picked up by a microcontroller's analog-to-digital converter. Each breakout comes fully assembled and works...

$4.45 $8.90  
201 pc(s)
Unlock the potential of BBC Micro:bit with this assembled Breakout Board! This breakout board offers an easy way to connect additional circuits and hardware to the pins on the edge of the BBC micro:bit. It provides access to all of the BBC Micro:bit processor pins allowing a lot more extra...

$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.

$1.80 $2.00  
171 pc(s)
This is a row of 40 break away headers spaced 0.1" (2.54mm) apart with long pins on both sides. This header is especially useful when you need to connect a PCB to a solderless breadboard. Each header can be broken apart to your preference to fit custom PCBs or general custom headers.

$2.50  
15 pc(s)
Single row of 40-holes, female header with swiss round machined pins. These units have very high quality round pins to accept and retain machine pin headers much better. Can be cut to size with a pair of wire-cutters. Standard 2.54mm spacing. Documents: 40-Pin Swiss Female...

$7.90  
8 pc(s)
65 flexible stranded core wires with male connectors on both ends. Use these to jumper from any female header on any board, to any other female header. Total 65 wires in a mix of colors 49 100mm 8 x 150mm 4 x 200mm 4 x 250mm

$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...

$2.95  
5 pc(s)
This Breadboard Power Supply Module plugs directly into a solderless breadboard and provides both 3.3V and 5V power directly to the breadboard power rails. The board accepts 7 to 12V DC input via the barrel jack or 5V via the mini-B USB port. It provides two regulated, fuse protected outputs...

$7.95  
2 pc(s)
This is a brass sponge that will help clean your soldering iron tip. Use it to remove residue from your iron tip before soldering. It cleans better than conventional sponges and will not damage your iron tip. Made of low abrasive brass shavings, requires no water and won't cool down the tip.

$27.50 $55.00  
1 pc(s)
This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This new version's headers are unpopulated. Check below for appropriate headers. The module from Roving Networks is powerful, small, and very easy to use. This...

$9.95  
17 pc(s)
This is a handy little USB Bluetooth 4.0 dongle. Utilising the CSR8510 chipset, this dongle is backwards compatible with v2.1 and earlier, but also supports the latest v4.0 low energy bluetooth transmission. It has a maximum distance of up to 50m and includes an indicator LED. Use this Dongle...

$15.00  
Out-of-stock
Note : This product is NOT a medical device and is not intended to be used as such or as an accessory to such nor diagnose or treat any conditions. This is a 10-pack of Biomedical Sensor Pads, disposable electrodes that can be used to measure EEG, ECG and EMG levels. these little pads are...
Out-of-stock

$31.50 $35.00  
1 pc(s)
The Big Easy Driver, designed by Brian Schmalz , is a stepper motor driver board for bi-polar stepper motors up to 2A/phase. It is based on the Allegro A4983 stepper driver chip. It's the next version of the popular Easy Driver board. Each Big Easy Driver can drive up to a max of...

$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...

$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...

$23.70  
5 pc(s)
BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light data for adjusting LCD and Keypad backlight power of Mobile phone. It is possible to detect wide range at High resolution. Features I2C bus...

$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...

$27.95 $32.00  
3 pc(s)
The BBC micro:bit is a pocket-sized computer that lets you get creative with digital technology. You can code, customise and control your micro:bit from anywhere! You can use your micro:bit for all sorts of unique creations, from robots to musical instruments and more. At half the size of...

$25.95 $32.00  
Out-of-stock
The micro:bit V2.2 board is backwards compatible with other micro:bit boards, ecosystems and accessories. Codes written for the earlier version (v1 and v2) are able to run on this board without any changes. The BBC micro:bit is a pocket-sized computer that lets you get creative with...
Out-of-stock

$5.50  
6 pc(s)
The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires...

$2.50  
1 pc(s)
This fun little soldering kit is designed for beginners to practise their soldering skill. The kit features a pair of large LEDs which will light up when power is applied. Assembly is easy, and you should be able to do it in 10-15 minutes. The kit comes with: a construction...

$7.00 $9.95  
3 pc(s)
This is a basic 8 character by 2 line display with black text on green background. The screen utilizes the extremely common HD44780 parallel interface chipset. Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight....

$12.95  
2 pc(s)
This is a basic 20 character by 4 line display. Utilizes the extremely common HD44780 parallel interface chipset ( datasheet ). Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight. Dimensions: 3.86 x 2.36 x...

$9.95 $14.20  
35 pc(s)
This is a basic 20 character by 4 line display. Utilizes the extremely common HD44780 parallel interface chipset ( datasheet ). Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight. This LCD works on 3V supply....

$2.95  
2 pc(s)
This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port on a computer, laptop, or on our cigarette power supply to provide our development boards with 5V. The USB specification limits current...

$27.95 $43.00  
3 pc(s)
Bare Conductive's Electric Paint is just like any other water-based paint... except that it's electrically conductive! This means that you can actually paint wires onto things like models, clothes, furniture, walls, almost anything you can think of. Standard acrylic or water-based paints can...

$29.50 $51.00  
1 pc(s)
This AutoDriver makes it easy to put the L6470 Stepper Driver (a.k.a "dSPIN") to work in your project. Simply connect your motors and your SPI-capable microcontroller and get steppin'! STMicro's L6470 is a 3A, 8-45V bipolar stepper motor driver. It has built-in overcurrent...

$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...

$13.50  
11 pc(s)
This Pi T-Expansion Kit comes with a small board that connects to the 40-pin GPIO connector on the Raspberry Pi B+ and Pi2 /3 /3+, and breaks the pins out to breadboard-friendly arrangement and spacing. The Kit comes with a 40 pin ribbon cable, and an already soldered T-Expansion as shown....

$31.00 $36.50  
1 pc(s)
The Ardumoto Shield is a dual-motor controller for Arduino. Based on the L298 H-bridge, the SparkFun Ardumoto can drive two DC motors up to 2A per channel. Combined with an Arduino, the Ardumoto makes a fantastic controller platform for RC vehicles or even small autonomous robots. It's now...

$25.95  
2 pc(s)
Another unique shield for the Arduino platform! This XBee shield allows the Arduino USB board to establish wireless communication with other devices. Just slip this shield onto two Arduino board and you've got a wireless network. Or you can put the Xbee into command mode and group...

$39.95 $45.00  
3 pc(s)
This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf...

$2.20  
13 pc(s)
These headers are made to work with the Arduino Uno R3 and new Arduino boards going forward. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers, enough to connect a R3 shield to an Arduino Uno R3....

$55.60 $69.50  
1 pc(s)
Note: For safety reasons and to comply with local government regulation, this kit does not contain any Laser Emitter and sensors containing Mercury. The sensor kit for the Arduino system consists of 34 individual sensor modules which can be used to carry out many interesting...

$69.95  
1 pc(s)
Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing / Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash,...

$9.95  
3 pc(s)
This is a breakout board for the very handy 16-Channel Analog/Digital Mulitplexer/Demultiplexer CD74HC4067. This chip can be used to connect 16 analog sources (like sensors) to 5 pins on a microcontroller. 4 of the pins must be digital pins, 1 pin must be an analog to digital conversion pin....

$20.95  
3 pc(s)
This is an Arduino-compatible TDS Sensor Kit for measuring Total dissolved solids value of the water. TDS indicates how many milligrams of soluble solids dissolved in one litre of water. In general, the higher the TDS value, the more soluble solids dissolved in water, and the less clean the...

$69.95  
Out-of-stock
DFRobot Gravity: Analog pH meter V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, and environmental water testing. As an upgraded version of pH meter V1,...
Out-of-stock

$14.90  
2 pc(s)
This product measures soil mositure levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor. It is made of a corrosion resistant materal giving it a long service life. Insert it into soil and impress your friends with the real-time soil moisture data!...

$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...

$0.50  
8 pc(s)
This tiny little aluminium heatsink is a perfect solution for cooling off small surface-mount components such as CPUs on Raspberry Pi or stepper motor driver. The heatsink includes thermal adhesive tape for better heat dissipation. The installation is simple, what you need to do is to remove...

$45.00  
2 pc(s)
The Pololu AltIMU-10 v6 is a compact (1.0″ × 0.5″) board that combines ST's LSM6DSO 3-axis gyroscope and 3-axis accelerometer, LIS3MDL 3-axis magnetometer, and LPS22DF digital barometer to form an inertial measurement unit (IMU) and altimeter. These sensors are great ICs, but their...

$4.80  
18 pc(s)
Alligator clips (or Crocodile clips, if you prefer) are likely to be the most useful thing on your workbench besides the workbench itself. Whether you're just trying to make a few quick connections to test your circuit or having trouble making your multimeter leads stay where you need them,...

$5.50  
8 pc(s)
Alligator clips (or Crocodile clips, if you prefer) are likely to be the most useful thing on your workbench besides the workbench itself. Whether you're just trying to make a few quick connections to test your circuit or having trouble making your multimeter leads stay where you need them,...

The MGSW1600 is a heavy duty sensor capable of detecting and reporting the position of a magnetic field along its horizontal axis. The sensor is intended for line following robotic applications, using a magnetic tape to form a track guide on the floor. The MGSW1600 is built into a rugged,...

$29.90 $38.90  
2 pc(s)
The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levels. VOCs are often categorized as pollutants and/or sensory irritants and can come...

AGV089A04 AGV kit includes two 89mm Frame Motor, Gearbox and Wheel Assembly for 600kg Mobile Robot, with brake, and FBL2360TE motor controller with Ethernet. The motors and controllers are matched and guaranteed to operate safely under any load or overload condition. Functional Safety is...

AGV089A04 AGV kit includes two 89mm Frame Motor, Gearbox and Wheel Assembly for 600kg Mobile Robot, with brake, and FBL2360T motor controller. The motors and controllers are matched and guaranteed to operate safely under any load or overload condition. Functional Safety is ensured via...

AGV089A03E AGV kit includes two 89mm 48V Frame Motor, Gearbox, and Wheel Assembly for 600kg Mobile Robot up to 3000 RPM, without brake, and FBL2360TE motor controller with Ethernet . The motors and controllers are matched and guaranteed to operate safely under any load or overload...

AGV089A03 AGV kit includes two 89mm 48V Frame Motor, Gearbox, and Wheel Assembly for 600kg Mobile Robot up to 3000 RPM, without brake, and FBL2360T motor controller . The motors and controllers are matched and guaranteed to operate safely under any load or overload condition. Functional...

AGV089A02 AGV kit includes two 89mm 24V Frame Motor, Gearbox, and Wheel Assembly for 600kg Mobile Robot up to 3000 RPM, with brake, and FBL2360T motor controller. The motors and controllers are matched and guaranteed to operate safely under any load or overload condition. Functional...

$12.50  
14 pc(s)
This is a simple to use infra-read sensor switch. Power it up with 5V and it can detects object within 3 to 80cm. It is widely used in mobile robot for obstacle detection, interactive media, industrial assembly line and many other applications. The detection distance can be adjusted...

$12.50  
4 pc(s)
This is a simple to use infra-read sensor switch. Power it up with 5V and it can detects object within 3 to 50cm. It is widely used in mobile robot for obstacle detection, interactive media, industrial assembly line and many other applications. The detection distance can be adjusted from 3-...

$13.80  
1 pc(s)
Sense the magnetic fields surrounding us with this handy triple-axis magnetometer (compass) module. Magnetometers can sense where the strongest magnetic force is coming from, generally used to detect magnetic north, but can also be used for measuring magnetic fields. This sensor tends to be...

$19.90  
2 pc(s)
The biggest NeoPixel Ring yet! With four of these you can make a huge ring with 60 ultra bright smart LED NeoPixels are arranged in a circle with a 6.2" diameter. Each order comes with just the quarter ring. Four of this item are required to make a large ring. You will have to solder them...

$36.75  
7 pc(s)
This is the DC Motor + Stepper FeatherWing which will let you use 2 x bi-polar stepper motors or 4 x brushed DC motors (or 1 stepper and 2 DC motors). It features a fully-dedicated PWM driver chip that handles all the motor and speed controls over I2C. Since the FeatherWing only...

$33.85  
1 pc(s)
You want to make a cool robot, maybe a hexapod walker, or maybe just a piece of art with a lot of moving parts. Or maybe you want to drive a lot of LEDs with precise PWM output. Then you realize that your microcontroller has a limited number of PWM outputs! What now? You could give up OR you...

$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...

$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

$0.50  
16 pc(s)
This is a small 12mm round active buzzer. 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 will switched on by a 3-5V DC voltage. No other...

$9.95  
1 pc(s)
This board is a simple carrier of Broadcom's bidirectional ±40A ACHS-7124 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 40A and...

$9.95  
2 pc(s)
This board is a simple carrier of Broadcom's bidirectional ± 30A ACHS-7123 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 20 A...

$9.95  
Out-of-stock
When entering a carpark, a barrier bar will lift up for a car to pass through. When a train passes by, a barrier bar will come down to stop the cars from driving past. This Access Barrier Kit simulates such a barrier bar. The kit uses a servo motor to lift up/down the barrier bar and...
Out-of-stock
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