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Components

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Diode Rectifier - 1A 50V
$0.20  
806 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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MicroSD Card Adapter
$0.20  
34 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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Capacitor Ceramic 22pF
$0.20  
428 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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Transistor - PNP, 60V 200mA (2N3906)
$0.50  
151 pc(s)
These are very common, high quality BJT NPN transistors made by Fairchild Semiconductor. Documents : Datasheet
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Aluminum Heatsink Self-adhesive - 11mmx11mm
$0.50  
9 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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Potentiometer Knob
$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.
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Active Buzzer -12mm Continuous Tone
$0.50  
311 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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Passive Buzzer - PCB Mount 12mm 2.048kHz
$0.50  
2255 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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NPN Transistors - 45V 800mA (BC337)
$0.50  
759 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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NPN Transistors - 2N2222A
$0.50  
50 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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Transistor - NPN, 60V 200mA (2N3904)
$0.50  
113 pc(s)
These are very common, high quality BJT NPN transistors made by ON Semiconductor. Documents : Datasheet
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Resistor 330 Ohm 1/4 Watt PTH (10 pcs)
$0.70  
117 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 1K Ohm 1/4 Watt PTH (10 pcs)
$0.70  
58 pc(s)
1k Ohm, 1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.
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Resistor 10K Ohm 1/4 Watt PTH (10 pcs)
$0.70  
40 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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-50%
Thermal Printer Paper
$0.90 $1.80  
59 pc(s)
This is compatible with the Mini Thermal Printer and can be used on NETS terminal.
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Relay SPDT Sealed - 3V
$1.20  
66 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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Potentiometer 10K with Knob
$1.30  
691 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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Speaker 8-Ohm 1W
$1.50  
3 pc(s)
If 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 1W, 8Ohm speaker with plastic diaphragm and metal basket is only 28mm in diameter and just over 4.7mm thick, the same kind you might find in one of those "talking greeting...
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Thermally Conductive Adhesive
$1.50  
22 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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Active Piezo Buzzer 3-24VDC Continuous 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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Active Piezo Buzzer 3-24VDC Pulse Tone
$1.70  
20 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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-3%
N-channel power MOSFET - 30V / 60A
$1.75 $1.80  
Out-of-stock
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...
Out-of-stock
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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W25Q64JVSSIQ SPI Flash - 64MBit (8MByte)
$1.95  
13 pc(s)
The W25Q64JV (64M-bit) Serial Flash memory provides a storage solution for systems with limited space, pins and power. They are ideal for storing voice, text and data. The device operates on 2.7V to 3.6V power supply with current consumption as low as 1µA for power-down. The W25Q64JV array...
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