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Single Channel Relay Module (5V)
$1.99  
Out-of-stock
This Single Relay Module can be used to control the lighting, electrical and other equipments through the digital IO port. Applications include solenoid valves, lamps, motors and other high current or high voltage devices. The modules are controlled with 5V signal and they are pre-soldered. A...
Out-of-stock
Opto-Isolated Relay Module - 2 Channels (5V)
$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...
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9V Battery Holder with Switch & Barrel Jack
$2.80  
Out-of-stock
This is a 9V battery pack with on/off switch and terminated with a standard 5.5x2.1mm, center-positive barrel jack. Use this to battery-power your Arduino or other electronic projects. Battery & screw not included. Dimensions : 68mm x 33mm x 21mm Lead length: 12cm...
Out-of-stock
40-Pin Rainbow Wire, 20cm - M/M
$3.50  
117 pc(s)
This Rainbow Wire provides a convenient way to connect the signals in your projects. You can always pull the rainbow wires off to make individual jumpers, or keep them together to make neatly organized wire harnesses. The color-coding can be used to organize power, ground and other signal types...
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-10%
9V Battery Holder with On/Off Switch
$1.80 $2.00  
6 pc(s)
Enclosed battery holder for 9V battery. This holder features a lid that slides over the batteries and snaps into place to fully enclose the battery. 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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40-Pin Rainbow Wire, 20cm - F/F
$3.50  
139 pc(s)
This Rainbow Wire provides a convenient way to connect the signals in your projects. You can always pull the rainbow wires off to make individual jumpers, or keep them together to make neatly organized wire harnesses. The color-coding can be used to organize power, ground and other signal types...
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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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40-Pin Rainbow Wire, 20cm - M/F
$3.50  
7 pc(s)
This Rainbow Wire provides a convenient way to connect the signals in your projects. You can always pull the rainbow wires off to make individual jumpers, or keep them together to make neatly organized wire harnesses. The color-coding can be used to organize power, ground and other signal types...
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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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-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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-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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1 x AA Battery Holder
$0.80  
3 pc(s)
Battery holder for single AA batteries, terminated with ~150mm leads
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8 x AA Battery Holder with On/Off Switch and Cover
$3.80  
2 pc(s)
Enclosed battery holder for eight AA batteries. This holder features a lid that slides over the batteries and snaps into place to fully enclose them. 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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-20%
2 x AA Battery Holder
$0.80 $1.00  
Out-of-stock
Battery holder for two AA batteries, terminated with ~150mm leads
Out-of-stock
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
-20%
2 x AAA Battery Holder
$0.80 $1.00  
7 pc(s)
Battery holder for two AAA batteries, terminated with ~150mm leads
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-50%
3 x AA Battery Holder
$0.50 $1.00  
84 pc(s)
Battery holder for three AA batteries, terminated with ~150mm leads
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Humidity and Temperature Sensor - DHT11
$4.95  
1 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...
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5V Stepper Motor w/ULN2003 Driver
$4.90  
3 pc(s)
This small stepper is a great way to get things moving, especially when positioning and repeatability is a concern. The stepper motor has five color-coded wires allow it to be controlled by both unipolar and bipolar stepper motor drivers. All five wires are used when connect to a unipolar...
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WS2812 RGB LED Stick
$2.50  
1 pc(s)
This is the WS2812 Addressable RGB LED Stick with eight LEDs. The WS2812 is a addressable smart RGB LED that uses a single data line to control brightness and color. The embedded constant-currnet driver keeps the LED brightness consistent even if the input voltage varies. There are...
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-20%
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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-20%
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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Electret Microphone Amplifier - MAX9814 with Auto Gain Control
$14.00  
2 pc(s)
Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX9814, a specialty chip that is designed for amplifying electret...
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12V, 1A Step-Down Voltage Regulator D24V10F12
$14.50  
4 pc(s)
This D24V10F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V while allowing for a maximum output current of 1 A. This regulator offers typical efficiencies between 85% and 90% and has a very low dropout, so it can be used with input...
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Transceiver nRF24L01+ Module with PCB Antenna
$3.95  
7 pc(s)
This module based on Nordic nRF24L01+, a highly integrated, ultra low power (ULP) 2Mbps RF transceiver for the 2.4GHz ISM (Industrial, Scientific and Medical) band. Nordic nRF24L01+ integrates a complete 2.4GHz RF transceiver, RF synthesiser and baseband logic including the Enhanced...
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Split Ferrite Cable Core For RFI / EMI Noise Suppression
$1.80  
3 pc(s)
This easy-to-use split ferrite core provides a cost-effective means to reduce the electromagnetic interference from being induced in or radiated from data and power cables. The special designed plastic housing allows the ferrite sleeve to use with a variety of cable diameters from 3 to 5mm...
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Thermoelectric Cooler - 40x40mm
$3.90  
3 pc(s)
Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use. The Thermal Tape listed below works very...
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Bluetooth 4.0 USB Module (v2.1 Back-Compatible)
$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...
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DC Barrel Power Jack/Connector
$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.
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DC Barrel Jack Plug - Male
$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.
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434Mhz Wireless Transceiver Module
$14.95  
2 pc(s)
This 434Mhz Wireless Transceiver Module is a new-generation multi-channel RF transceiver operating at the sub-GHz ISM bands from 433.4-473.0MHz,. The module supports up to 100 channels, with selectable RF power transmitter and highly sensitive RF receiver. Its output power level ranges from...
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Grove - Alcohol Sensor
$11.50  
2 pc(s)
Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Features : Power requirements: 5 VDC @ ~120 mA (heater on) Detection Gas: Alcohol Concentration: 20-1000ppm Alcohol Interface: 1 TTL...
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Digital PWM Motor Speed Controller - 5A
$7.90  
2 pc(s)
This DC motor controller allows you to control both the speed and direction of a DC motor without sacrificing torque. It can provides up to a maximum continuous current of 5A to your DC motor or other DC load using a Pulse Width Modulated (PWM) with a Duty cycle fully adjustable from 10%-100%....
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Solder Wick - 1.5m Spool
$3.50  
2 pc(s)
Use this solder wick along with the solder sucker to clean up soldering messes. Wick really comes in handy when soldering or desoldering surface-mount parts.
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-37%
Jumper Wire Kit
$2.50 $3.95  
1 pc(s)
This is a time saving kit of jumper wires - cut, stripped, and pre-bent for your prototyping pleasure. Included with this kit are 14 various lengths of 22AWG wire - 2, 5, 7, 10, 12, 15, 17, 20, 22, 25, 50, 75, 100, and 125mm - 10 pieces of each.
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-31%
LilyPad Reed Switch
$5.50 $7.95  
1 pc(s)
The LilyPad Reed Switch is a simple breakout for a reed switch that will make it easy to use in e-textiles circuits in exactly the same manner that you can currently use the LilyPad Button and Switch. In order to make it more durable for wearable use, we've used a different style of reed switch,...
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-20%
Vibration Motor - 10x3.15mm
$2.00 $2.50  
46 pc(s)
This itty-bitty, shaftless vibratory motor is perfect for non-audible indicators. Use in any number of applications to indicate to the wearer when a status has changed. All moving parts are protected within the housing. With a 2.6-3.6V operating range, these units shake crazily at 3V. Once...
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-50%
Capacitor Kit (300 Total)
$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...
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-20%
Load Cell - 1kg, Straight Bar
$7.90 $9.90  
5 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 1kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the...
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-20%
Load Cell - 10kg, Straight Bar
$7.90 $9.90  
1 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to...
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-20%
Load Cell - 20kg, Straight Bar
$7.90 $9.90  
4 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 20kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to...
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-20%
Load Cell - 5kg, Straight Bar
$7.90 $9.90  
Out-of-stock
This straight bar load cell (sometimes called a strain gauge) can translate up to 5kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the...
Out-of-stock
Load Cell Amplifier - HX711
$14.20  
3 pc(s)
This Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell and with some calibration you'll be able...
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MCP3002 - 2-Channel 10-Bit ADC With SPI Interface
$3.50  
39 pc(s)
The MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines. Features : 2.7V to 5.5V supply 2 Channels...
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PIR Motion Sensor (w/Adjustable delay and Sensitivity)
$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...
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-29%
10mm Panel Mount Momentary Pushbutton - Red
$0.60 $0.85  
22 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 0.5A@125VAC. Overall length (including leads) is 27.5mm and has small solder lugs for connection. Mounting hole diameter is 10mm Documents : Datasheet
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-29%
12mm Panel Mount Momentary Pushbutton - Red
$0.60 $0.85  
19 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including leads) is 24mm and has small solder lugs for connection. Mounting hole diameter is 12mm Documents : Datasheet
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-29%
12mm Panel Mount Momentary Pushbutton - Green
$0.60 $0.85  
6 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including leads) is 24mm and has small solder lugs for connection. Mounting hole diameter is 12mm Documents : Datasheet
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