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6 - 13
$6.99  
4 pc(s)
MAX30102 Sensor is an integrated pulse oximetry and heart-rate monitor module. It is equipped with a red and IR LEDs as well as a very sensitive photon detector. The idea is to pulse the different LEDs, then detect what shines back. Based on the reflected signature it's possible to measure...

$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

$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...

$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...

$4.50  
2 pc(s)
Ideal for development and prototyping work, this protoboard is designed primarily for hard wiring of discrete components, typically in analogue circuits, but is equally useful where a number of common bus or signal lines are required. Size: 10 x 24cm, 1.5mm thick

$1.95  
3 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: 4 x 6cm, 1.6mm thick

$1.95  
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: 4 x 6cm, 1.6mm thick

$1.95  
1 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: 4 x 6cm, 1.6mm thick

$1.95  
2 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: 4 x 6cm, 1.6mm thick

$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

$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...

$0.50  
10 pc(s)
This is a great looking rubberized knob for the potentiometer. Slides onto the Single Turn Potentiometer and holds tightly with a strong friction fit.

$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...

$16.70  
9 pc(s)
**This battery is not available to ship outside Singapore** This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently in production. Each cell outputs a nominal 3.7V at 400mAh! Comes terminated with a standard 2-pin...

$126.00  
3 pc(s)
This motor driver shield and its corresponding Arduino library make it easy to control two bidirectional, high-power, brushed DC motors with an Arduino or Arduino clone. The board features a pair of robust VNH5019 motor drivers from ST, which operate from 5.5 to 24 V and can deliver a...

$98.00  
3 pc(s)
This motor driver board is an add-on for a compatible Raspberry Pi (Model B+ or newer), including the Pi 3 Model B+ and Model A+, that lets it easily control a pair of bidirectional, brushed DC motors. The expansion board uses a pair of Freescale MC33926 motor drivers, which operate from 5 to 28...

$112.00  
1 pc(s)
These G2 dual high-power motor drivers are add-on boards for the Raspberry Pi, featuring pairs of discrete MOSFET H-bridges which operate from 5 to 36 V and can deliver a continuous 14A per channel without a heat sink. The drivers offer basic current limiting functionality, and they accept...

$85.95  
3 pc(s)
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 9V with an available output current of around 15 A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for...

$83.95  
1 pc(s)
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 5 V with an available output current of around 15 A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for...

$5.80  
1 pc(s)
Note: BBC micro:bit is NOT included. The BBC micro:bit is everybody's favorite little controller: the last thing you want is for something bad to happen to it. Why not protect it with one of these plastic cases? These cases protect the micro:bit from things like rogue wires that...

$105.00  
Out-of-stock
The Pixy2 CMUcam5 is smaller, faster and more capable than the original Pixy. Like its predecessor, the Pixy2 can learn to detect objects that you teach it, just by pressing a button. Additionally, the Pixy2 has new algorithms that detect and track lines for use with line-following robots....
Out-of-stock

$4.20  
9 pc(s)
PIR sensors are used to detect motion from pets/humanoids from about 20 feet (~6 meters) away. This one has an adjustable delay before firing (approx 2-4 seconds) and adjustable sensitivity. You can easily reposition the sensor or mount it using the two holes on either side Runs on...

$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....

$2.90  
2 pc(s)
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer. Documents: Datasheet...

$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...

$4.99  
12 pc(s)
This translucent enclosure protect the Raspberry Pi 4 from things like rogue wires that might short it out while still allowing access to the ports! Simply snap the Pi 4 into the bottom half of the enclosure, snap the two sides together and then secure with four screws. This...

$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...

$2.50  
5 pc(s)
This Photo Interrupter Module is widely used in motor speed detection, pulse count, the position limit, etc. It will trigger a signal when light between the sensor's gap is blocked. It works with 3.3V to 5VDC, and gives a HIGH on DO pin when the beam is blocked, and a LOW output when...

$2.50  
6 pc(s)
This Photo Interrupter Module is widely used in motor speed detection, pulse count, the position limit, etc. It will trigger a signal when light between the sensor's gap is blocked. It works with 3.3V to 5VDC, and gives a HIGH on DO pin when the beam is blocked, and a LOW output when...

$2.35  
4 pc(s)
A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal. When the gate is clear, SIG will be high (>4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (<0.4V)....

$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...

$28.99  
Out-of-stock
Move fluid safely from here to there with this very nice little pump. Unlike most liquid pumps, this is a peristaltic type - the pump squishes the silicone tubing that contains the liquid instead of impelling it directly . The upshot? The pump never touches the fluid which makes this an...
Out-of-stock

$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...

$0.50  
2030 pc(s)
This is a small 12mm round passive buzzer that operates around the audible 2kHz range. We drove it directly from a 3v to 5V Arduino or micro:bit to generate simple melody. Note : This passive buzzer requires a square wave (PWM) signal to make a sound or to play melodies. The frequency...

$58.50  
2 pc(s)
Parallax's PING)))™ ultrasonic sensor provides a very low-cost and easy method of distance measurement. This sensor is perfect for any number of applications that require you to perform measurements between moving or stationary objects. Naturally, robotics applications are very popular but...

$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.

$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...

$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...

$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...

$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...

$0.50  
35 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...

$9.50  
1 pc(s)
This pan/tilt bracket consists of two brackets and all the hardware you need to attach them to make a pan/tilt mechanism using two servo motors. This pan/tilt bracket works with our small servo motor . Documents: Dimensional Drawing Assembly Guide

$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...

$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...

$2.50  
10 pc(s)
Need a wheel for your Bi-axial Gear Motor ? This Orange & Clear TT Motor Wheel is equipped with a nice, thick silicone tread and a press-fit design to make connecting super quick and easy. Make cute robots today with a couple of these orange wheels! Note : This wheel is only...

$3.99  
3 pc(s)
This two channels Relay Module can be used to control the lighting, electrical and other equipments through the digital IO port. The digital input circuit is optically isolated from the relay, so your controller is protected from voltage spikes and surges. The module is controlled with 5V...

$22.99  
1 pc(s)
This 16 channels Relay Module can be used to control the lighting, electrical and other equipments through the digital IO port. The digital input circuit is optically isolated from the relay, so your controller is protected from voltage spikes and surges. The module is controlled with 5V...

$19.90  
2 pc(s)
Sharp's GP2Y1014AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine...

$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

$3.50  
8 pc(s)
This mounting kit is intended for use with the NVIDIA JetBot robot. It includes the necessary screws and nuts to secure the Jetson Nano, motors, camera, etc., to the 3D printed chassis. Kit includes: 4x M3*25 Phillips pan head machine screw (stainless steel) 4x M3 nuts...

$0.50  
677 pc(s)
This BC337 is a drop-in replacement for the 2N2222 Transistor This is the BC337, an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by being used to help drive large loads or amplifying or switching applications. The BC337 is specifically rated...

$0.50  
30 pc(s)
2N2222A is designed for high speed switching application at collector current up to 600mA, and feature useful current gain over a wide range of collector current, low leakage currents and low saturation voltage.

$6.50  
1 pc(s)
This single channel Relay Module is specially designed for low-voltage devices and works well with 3.3V power supply. It can be used to control the lighting, electrical and other equipments through the digital IO port. The module comes with on-board back EMF protection to eliminate the...

$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...

$19.95  
2 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...

$19.95  
4 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...

$19.50  
1 pc(s)
NodeMcu is an open source IoT platform based on the ESP-12 module. The board is pre-loaded with LUA firmware that enable you to prototype your IoT product within a few Lua script lines. You can also program it using Arduino IDE. This development kit includes a CP2102 TTL to USB chip for...

$36.50  
4 pc(s)
Negatron is a buck-boost converter that takes a positive voltage and turns it into a negative voltage that you can use with amplifier circuits and more. The output is adjustable from -1.3V to -12V. Negatron is also able to step up/step down the magnitude of the voltage. For example,...

$6.80  
3 pc(s)
Mini Pliers. These are great little pliers! A must have for any hobbyist or electrical engineer. Crucial for inserting devices into bread boards and bending pins. 4" long.

$4.50  
4 pc(s)
This is a simple-to-use Carbon Monoxide / Combustible gas sensor, suitable for sensing Carbon Monoxide / Combustible gas concentrations in the air. The MQ-9 can detect Carbon Monoxide / Combustible gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast...

$4.50  
2 pc(s)
This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time. The sensitivity of the sensor can be adjusted by...

$4.50  
2 pc(s)
This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to Carbon...

$4.20  
3 pc(s)
This MQ6 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI Propane, Butane and LPG, and other combustible gas. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to wide range of combustible gas...
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