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3DR Buzzer for PX4 / Pixhawk
$
4.50
In-Stock:
60 pc(s)
This buzzer is used with Pixhawk and PX4 autopilot to annunciate status tones. The buzzer includes a two-position DF14 connector on one side that plugs directly into the Pixhawk or PX4 FMU board. Wire length: ~190mm
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Active Buzzer -12mm Continuous Tone
$
1.90
In-Stock:
489 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...
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Active Piezo Buzzer 3-20VDC Continuous Tone
$
5.50
In-Stock:
22 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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Active Piezo Buzzer 3-20VDC Pulse Tone
$
5.50
In-Stock:
23 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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Aluminium Heatsink Kit For Raspberry Pi 4, Self-adhesive (Set of 3)
$
4.00
In-Stock:
24 pc(s)
These tiny little aluminium heatsinks is a perfect solution to keep the Raspberry Pi 4 running cool. The heatsink includes thermal adhesive tape for better heat dissipation. The installation is simple, what you need to do is to remove the heatsink protection and stick it on the IC.
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Aluminum Heatsink For Raspberry Pi, Self-adhesive - Blue
$
1.50
In-Stock:
6 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...
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Aluminum Heatsink For Raspberry Pi, Self-adhesive - Gold Color
$
1.50
In-Stock:
2 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...
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Aluminum Heatsink Self-adhesive - 11mmx11mm
$
1.50
In-Stock:
17 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...
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Capacitor Ceramic 22pF
$
0.30
In-Stock:
430 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.
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Capacitor Kit (300 Total)
$
12.00
In-Stock:
14 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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Coin Acceptor - Programmable 4 Coin Type
$
59.95
In-Stock:
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...
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Copper Heatsink For Raspberry Pi, Self-adhesive
$
3.95
In-Stock:
8 pc(s)
This tiny little orange heatsink is a perfect solution for cooling off small surface-mount components such as CPUs on Raspberry Pi or stepper motor driver. It is made of copper for better heat dissipation. The heatsink also includes thermal adhesive tape to clamp down securely and create a...
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Diode Rectifier - 1A 50V
$
0.20
In-Stock:
993 pc(s)
This is a simple, very common rectifier diode. Often used for reverse voltage protection, the 1N4001 is a staple for many power, DC to DC step up, and breadboard projects. 1N4001 is rated for up to 1A/400V. Documents: Datasheet
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Flash Memory - microSD 1GB
$
9.00
In-Stock:
90 pc(s)
This is a 1 GB microSD media card. Perfect for massive datalogging in a minute amount of space. These microSD cards have a simple to use SPI interface allowing any micro to read and write data in a very large 1 gigabyte storage array. This product is guaranteed to work in products that use a...
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Hamburger Mini Speaker
$
9.60
In-Stock:
4 pc(s)
This will be a treat for your ears! The Hamburger Mini Speaker is a 3W economical speaker option for any project needing stand-alone sound. The Hamburger features a built-in lithium polymer battery for portable application, a 3.5mm stereo jack (sorry, iPhone 7 users) and two volume options...
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Heating Pad - 5x10cm
$
7.90
In-Stock:
15 pc(s)
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up. These heating pads are constructed using a mesh of Polyester filament and Micro...
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Heating Pad - 5x15cm
$
8.20
In-Stock:
11 pc(s)
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up. These heating pads are constructed using a mesh of Polyester filament and Micro...
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Magnet Ring - 3/16"
$
1.40
In-Stock:
3 pc(s)
These are small rare earth magnets - 3/16" (~4.76mm) rings. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. This one small ring can...
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Magnet Square - 0.125"
$
1.40
In-Stock:
5 pc(s)
These are very small rare earth magnets - 0.125" (~3.2mm) cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. Don't let the photo...
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Magnet Square - 0.25"
$
2.10
Out-of-stock
These are small rare earth magnets - 0.25" (6.35mm) cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. Activates the reed...
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MCP3002 - 2-Channel 10-Bit ADC With SPI Interface
$
3.50
In-Stock:
40 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 10-bit...
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MCP3008 - 8-Channel 10-Bit ADC With SPI Interface
$
4.50
In-Stock:
17 pc(s)
The MCP3008 has a 8-Channel 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 10-bit...
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microSD Card - 16GB (Class 10, UHS-I )
$
10.00
Out-of-stock
This is a class 10 16GB 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 98MB/s allowing it to have a noticeable increase in...
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microSD Card - 64GB (Class 10, UHS-I )
$
19.90
In-Stock:
28 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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MicroSD Card Adapter
$
0.50
In-Stock:
69 pc(s)
The micro SD card adapter looks like a regular-sized SD card with a slot in it for the microSD card. It allows you to transfer data between your device and a computer.
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microSD USB Reader
$
4.50
In-Stock:
2 pc(s)
This is an awesome little microSD USB reader. Just slide your microSD card into the inside of the USB connector, then stick this into a USB port and the card's contents will pop up on your computer. Very sneaky - we love it! This little guy is great for pulling data logs off microSD media. This...
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Mini Thermal Printer
$
75.00
In-Stock:
7 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 max...
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Mini USB Microphone
$
7.95
In-Stock:
14 pc(s)
This plug-and-play Mini USB Microphone needs no driver, and its USB interface means you can use it with any computer, laptop, SBC, etc! Works great with a Raspberry Pi computer, but you can also use it with any other computer you want to record audio on. Simply plug it right in and...
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Mini USB Stereo Speaker
$
21.00
In-Stock:
5 pc(s)
This will be a treat for your ears! This compact and highly portable Mini USB Stereo Speaker is a perfect companion for your Raspberry Pi or notebook. Since it is powered over USB, it does not require battery or external power source - simply plug it into your desired device's USB port and enjoy...
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Miniature 5V Cooling Fan
$
4.95
In-Stock:
9 pc(s)
This miniature 5V cooling fan helps to prevent your Raspberry Pi from overheating. Simply secure it to your pi case and plug the fan directly into your Raspberry Pi's 5V+GND GPIO power pins, as shown, for instant cooling! This cooling fan also great for use with any small computer or motor...
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Miniature 5V Cooling Fan for Raspberry Pi (Kit #2)
$
4.95
Out-of-stock
This miniature 5V cooling fan helps to prevent your Raspberry Pi from overheating. Simply secure it to your pi case and plug the fan directly into your Raspberry Pi's 5V+GND GPIO power pins, as shown, for instant cooling! This cooling fan also great for use with any small computer or...
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Miniature 5V Cooling Fan for Raspberry Pi (Kit #3)
$
4.95
Out-of-stock
This miniature 5V cooling fan helps to prevent your Raspberry Pi from overheating. Simply secure it to your pi case and plug the fan directly into your Raspberry Pi's 5V+GND GPIO power pins, as shown, for instant cooling! This cooling fan also great for use with any small computer or...
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N-channel power MOSFET - 30V / 60A
$
1.75
In-Stock:
34 pc(s)
When you need to switch a lot of power, N channel MOSFETs are best for the job. These FETs can switch over 60A and 30V and are TO-220 package so they fit nicely into any breadboard or perfboard. Heat sinking is easy with TO-220's, but because of the very low Rds(on) of down to 0.009 ohms...
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NPN Transistors - 2N2222A
$
0.50
In-Stock:
70 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.
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NPN Transistors - 45V 800mA (BC337)
$
0.50
In-Stock:
777 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...
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Passive Buzzer - PCB Mount 12mm 2.048kHz
$
1.90
In-Stock:
371 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...
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Passive Piezo Buzzer w/Leads - 30mm
$
4.50
In-Stock:
19 pc(s)
This is a small 30mm 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. The buzzer comes with ~80mm leads terminated with male pin. Note : This passive buzzer requires a square wave...
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Passive Piezo Buzzer w/Leads -13mm
$
3.90
In-Stock:
35 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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Potentiometer 10K with Knob
$
1.30
In-Stock:
376 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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Potentiometer Knob
$
1.20
In-Stock:
32 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.
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Reed Switch - Insulated
$
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 non-contact...
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Relay DPDT Sealed - 5V
$
3.35
In-Stock:
8 pc(s)
These are high quality Double Pole - Double Throw (DPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay's coil is rated up to 10V, with a rate switching voltage of 5V. The contacts are rated up to 2A@30VDC / 1A@125VAC. Features : 5V...
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Relay SPDT Sealed - 3V
$
1.20
In-Stock:
107 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 Relal Fully...
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Resistor 10K Ohm 1/4 Watt PTH (10 pcs)
$
0.70
In-Stock:
47 pc(s)
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and current limiters.
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Resistor 1K Ohm 1/4 Watt PTH (10 pcs)
$
0.70
In-Stock:
95 pc(s)
1k Ohm, 1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.
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Resistor 330 Ohm 1/4 Watt PTH (10 pcs)
$
0.70
In-Stock:
93 pc(s)
1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiters and are great for general use.
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Resistor Kit - 1/4W 1% (600 total)
$
12.90
In-Stock:
67 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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Rotary Encoder
$
4.50
In-Stock:
4 pc(s)
This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an encoder has full rotation without limits. The unit outputs gray code so that...
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Rotary Encoder - 1024 P/R (Quadrature)
$
66.50
In-Stock:
1 pc(s)
This 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaft is turning and by how much. This allows you to add feedback to motor control systems. Encoders of this kind are often used in...
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Rotary Encoder - 200 P/R
$
52.50
In-Stock:
1 pc(s)
This 200 pulse per rotation single-output encoder outputs electrical pulses which you can interpret using a microcontroller to find the position of the input shaft. This allows you to add feedback to motor control systems. Encoders of this kind are often used in balancing robots and dead...
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Single Turn Rotary Potentiometer - 10k Ohm
$
1.50
In-Stock:
65 pc(s)
An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND to the other, and the center pin will have a voltage that varies from 0 to VCC depending on the rotation of the pot. Hook the center pin to an...
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Slide Pot - Medium (10k Linear Taper)
$
3.50
In-Stock:
2 pc(s)
A simple slide potentiometer can go a long way. Rated at 10KOhm and 0.1W. Comes with solder tab connections. The pot has an overall travel of 30mm and has two mounting holes on top. Dimensions: 9.5mm x 45mm Documents: Datasheet (C3031N-1A2-B10K-GP)
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Slide Pot - Small (10k Linear Taper)
$
2.50
In-Stock:
3 pc(s)
A simple slide potentiometer can go a long way. Rated at 10KOhm and 0.1W. Comes with solder tab connections. The pot has an overall travel of 20mm and has two mounting holes on top. Dimensions: 9.5mm x 35mm Documents: Datasheet (C2031N-1A2-B10K-GP)
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Slip Ring - 12 Wire (2A)
$
29.90
In-Stock:
3 pc(s)
This is a 12 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an...
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Slip Ring - 3 Wire (10A)
$
45.00
In-Stock:
2 pc(s)
This is a 3 wire slip ring, a remarkably simple electromechanical assembly that allows for electronic signals and power to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while...
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Slip Ring - 6 Wire (1.5A)
$
25.00
In-Stock:
5 pc(s)
This is a 6 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an...
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Speaker - 0.5W 8Ohm
$
4.50
In-Stock:
5 pc(s)
A small speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. Features: Small Size Power rating: 0.5W Impedance: 8 ohm Dimensions: 50mm Diameter, 16mm High, 28mm base diameter
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Speaker - PCB Mount
$
3.50
In-Stock:
3 pc(s)
This through-hole speaker is great for projects where you need something that sounds better than a piezo buzzer but don't have room for a full-blown speaker. This 30mm diameter speaker is encased in plastic and will handle about 100mW of power. Features: 8 ohm 0.1W (0.2W max)...
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Split Ferrite Cable Core For RFI / EMI Noise Suppression
$
1.80
In-Stock:
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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Thermally Conductive Adhesive
$
2.00
In-Stock:
30 pc(s)
This thermally conductive adhesive is used widely for heat sinks without fixed fastener, such as on voltage regulator, MOSFET, high power LED and so on. It allows heat to be transferred from IC to the heat sinks, effectively protects IC from thermal impacts, Features : Heat conductivity:...
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Thermoelectric Cooler - 40x40mm
$
5.90
In-Stock:
10 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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Thin Copper Heatsink For Raspberry Pi, Self-adhesive
$
0.90
In-Stock:
13 pc(s)
This tiny little copper 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...
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Thin Speaker - 0.5W
$
1.90
Out-of-stock
f you want to get some sound out of your project but have a tight space budget, this is a good way to do it. This 0.5W, 8Ohm speaker is only 40mm in diameter and just over 4mm thick, the same kind you might find in one of those "talking greeting cards". Documents: Datasheet...
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