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Components

There are literally millions of passive and active electronic components, we stock the best and most popular for use in your projects.

Active electronic components in this category include analog to digital converters, voltage regulators, diodes, transistors and opto-isolators. The passive electronics components in this category comprise of super capacitors, resistors and potentiometers.

We have a great selection of the most popular programmable PIC micro controllers including ATMEL MCUs.

We stock the most commonly used switches and buttons, from big dome push buttons and arcade buttons to tactile switches and micro switches, plus a staggering array of LEDs.

  • Big Dome Push Button - White With Clear Case Rim - Buttons
    Sold out

    Big Dome Push Button - White with Clear Case Rim

    Cool Components
    £7.99 inc VAT
    £6.66 ex VAT
    1 review

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

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    £7.99 inc VAT
    £6.66 ex VAT
    Sold out
  • Big Dome Push Button - Yellow With Clear Case Rim - Buttons
    Save 23%

    Big Dome Push Button - Yellow with Clear Case Rim

    Cool Components
    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

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    £3.98 inc VAT
    £3.07 inc VAT
    £2.56 ex VAT
    Save 23%
  • Anodized Aluminum Machined Knob - Black - 20mm Diameter - Component
    Sale

    Anodized Aluminum Machined Knob - 20mm Diameter

    Adafruit
    from £2.44 inc VAT

    DESCRIPTION These compact machined knobs are the perfect way to upgrade your rotary encoder or potentiometer, not only do they look fantastic but t...

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    from £2.44 inc VAT
    Sale
  • 3.3V Step-Up/step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff S9V11F3S5Cma - Active Components

    3.3V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F3S5CMA

    Pololu
    £9.99 inc VAT
    £8.33 ex VAT
    2 reviews

    DESCRIPTION The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3V (default) or 5V (selectable) output whether it...

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    £9.99 inc VAT
    £8.33 ex VAT
  • Breakout Board For Thumb Joystick (Bob-09110) - Buttons

    Breakout Board for Thumb Joystick (BOB-09110)

    SparkFun
    £1.85 inc VAT
    £1.54 ex VAT

    DESCRIPTION This is the breakout board for the thumb joystick. Pins are broken out to a 0.1" header and the board includes 4 mounting holes in the ...

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    £1.85 inc VAT
    £1.54 ex VAT
  • Slide Potentiometer with Knob - 75mm Long - 10K (ID:4219) - Components
    Sold out

    Slide Potentiometer with Knob - 75mm Long - 10KΩ (ID:4219)

    Adafruit
    £4.00 inc VAT
    £2.44 inc VAT
    £2.03 ex VAT
    1 review

    DESCRIPTION If you're tired of the regular-old-twisty potentiometers we carry, why not slide over and try this slide pot? Most famously used on mix...

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    £4.00 inc VAT
    £2.44 inc VAT
    £2.03 ex VAT
    Sold out
  • Button Pad 4X4 - Led Compatible (Com-07835) - Buttons

    Button Pad 4x4 - LED Compatible (COM-07835)

    SparkFun
    £5.77 inc VAT
    £4.81 ex VAT

    DESCRIPTION This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at monome.org. Each button has a hole ...

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    £5.77 inc VAT
    £4.81 ex VAT
  • Button Pad 2X2 - Breakout Pcb (Com-09277) - Buttons
    Save 22%

    Button Pad 2x2 - Breakout PCB (COM-09277)

    SparkFun
    £4.68 inc VAT
    £3.65 inc VAT
    £3.04 ex VAT

    DESCRIPTION This is a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are sold...

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    £4.68 inc VAT
    £3.65 inc VAT
    £3.04 ex VAT
    Save 22%
  • Led - Yellow 3Mm - Leds
    Save 50%

    LED - Yellow 3mm

    Generic / OEM
    £0.08 inc VAT
    £0.04 inc VAT
    £0.03 ex VAT

    DESCRIPTIONBasic, bog standard 3mm yellow LED. Ideal for visual display of power, data, or just to make sure that a logic output is doing what it s...

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    £0.08 inc VAT
    £0.04 inc VAT
    £0.03 ex VAT
    Save 50%
  • Multicolour Buttons - 4-Pack (Prt-14460) - Buttons
    Save 22%

    Multicolour Buttons - 4-pack (PRT-14460)

    SparkFun
    £1.64 inc VAT
    £1.28 inc VAT
    £1.07 ex VAT

    DESCRIPTION This is a simple 4-pack of multicoloured buttons, great for all sorts of projects! Unlike previous iterations of multicoloured buttons,...

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    £1.64 inc VAT
    £1.28 inc VAT
    £1.07 ex VAT
    Save 22%
  • Audio Jack Breakout (Prt-10588) - Components
    Save 22%

    Audio Jack Breakout (PRT-10588)

    SparkFun
    £0.79 inc VAT
    £0.62 inc VAT
    £0.52 ex VAT

    DESCRIPTION Simple breakout board for the 3.5mm audio jack. Use this breakout (shipped bare) to allow breadboard or SIP access to the super-common...

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    £0.79 inc VAT
    £0.62 inc VAT
    £0.52 ex VAT
    Save 22%
  • Super Capacitor - 10F/2.5V - Passive Components
    Sold out

    Super Capacitor - 10F/2.5V

    Generic / OEM
    £2.40 inc VAT
    £2.00 ex VAT

    DESCRIPTION Yes, you read that correctly - 10 Farad capacitors. This small cap can be charged up and then slowly dissipated running an entire syst...

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    £2.40 inc VAT
    £2.00 ex VAT
    Sold out
  • 36Mm Square 12V Digital Rgb Addressable Led Pixels (Strand Of 20) - Ws2801 - Leds
    Sold out

    36mm Square 12V Digital RGB Addressable LED Pixels (Strand of 20) - WS2801

    Cool Components
    £27.98 inc VAT
    £23.32 ex VAT

    DESCRIPTION This is a string of 20 RGB LED pixels, each with 75mm between the next. Each pixel consists of four RGB LEDs and a WS2801 driver chip a...

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    £27.98 inc VAT
    £23.32 ex VAT
    Sold out
  • 5V Step-Up/step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff S9V11F5S6Cma - Active Components
    Save 22%

    5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA

    Pololu
    £13.79 inc VAT
    £10.74 inc VAT
    £8.95 ex VAT
    1 review

    DESCRIPTION The S9V11F5S6CMA switching step-up/step-down regulator efficiently produces a fixed 5V (default) or 6V (selectable) output whether it i...

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    £13.79 inc VAT
    £10.74 inc VAT
    £8.95 ex VAT
    Save 22%
  • Pca9306 Level Translator Breakout (Bob-11955) - Active Components

    PCA9306 Level Translator Breakout (BOB-11955)

    SparkFun
    £4.39 inc VAT
    £3.66 ex VAT

    DESCRIPTION This is a breakout board for the PCA9306 dual bidirectional voltage-level translator. Because different parts sometimes use different ...

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    £4.39 inc VAT
    £3.66 ex VAT
  • Transistor - Pnp (2N3906) - Active Components

    Transistor - PNP (2N3906)

    Generic / OEM
    £0.17 inc VAT
    £0.14 ex VAT

    DESCRIPTION These are very common, high quality BJT, PNP transistors. RESOURCES Datasheet: - 2N3906

    £0.17 inc VAT
    £0.14 ex VAT
  • SG51R Digital Standard Servo - Component

    SG51R Digital Standard Servo

    TowerPro
    £4.00 inc VAT
    £3.33 ex VAT

    DESCRIPTION The SG51R is a micro digital servo from TowerPro! It's a great choice for tiny robotic & plane projects! The unit features a stalli...

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    £4.00 inc VAT
    £3.33 ex VAT
  • Polarised Electrolytic Capacitor 100 Μf 16V - Passive Components
    Save 40%

    Polarised Electrolytic Capacitor 100 µF 16V

    MULTICOMP
    £0.10 inc VAT
    £0.06 inc VAT
    £0.05 ex VAT

    DESCRIPTION This 100µF 16V capacitor is part of the Multicomp MCGPR series capacitors. They are general purpose, radial leaded polarized aluminium...

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    £0.10 inc VAT
    £0.06 inc VAT
    £0.05 ex VAT
    Save 40%
  • Microswitch - Spdt - Switches
    Save 71%

    Microswitch - SPDT

    Generic / OEM
    £0.48 inc VAT
    £0.14 inc VAT
    £0.12 ex VAT
    1 review

    DESCRIPTION This is a 3-terminal microswitch. These switches have a great 'clicky' sound to them with a nice tactile feel and are perfect when used...

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    £0.48 inc VAT
    £0.14 inc VAT
    £0.12 ex VAT
    Save 71%
  • MG90D Digital Metal Gear Servo - Component

    MG90D Digital Metal Gear Servo

    TowerPro
    £6.59 inc VAT
    £5.49 ex VAT

    DESCRIPTION Digital 13g Metal gear, double ball bearing servo with an alloy casing in the middle. Excellent for RC F3A 3D flyer helicopters & a...

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    £6.59 inc VAT
    £5.49 ex VAT
  • Deadon Rtc - Ds3234 Breakout (Bob-10160) - Active Components

    DeadOn RTC - DS3234 Breakout (BOB-10160)

    SparkFun
    £22.72 inc VAT
    £18.93 ex VAT
    1 review

    DESCRIPTION Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock ...

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    £22.72 inc VAT
    £18.93 ex VAT
  • SG90 Analog Servo - POM Gear Set - Component

    SG90 Analog Servo - POM Gear Set

    TowerPro
    £2.99 inc VAT
    £2.49 ex VAT

    FEATURES Weight: 9g Dimension: 23×12.2x29mm Stall torque: 1.8kg/cm(4.8v) Gear type: POM gear set Operating speed: 0.12 sec/60degree(4.8v) Operatin...

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    £2.99 inc VAT
    £2.49 ex VAT
  • Beginner Parts Kit (Kit-13973) - Passive Components

    Beginner Parts Kit (KIT-13973)

    SparkFun
    £18.53 inc VAT
    £15.44 ex VAT

    DESCRIPTION The beginner parts kit is a small container of parts frequently used by beginning (or even experienced) hobbyists that gives you all of...

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    £18.53 inc VAT
    £15.44 ex VAT
  • Raspberry Pi Zero 2 Micro USB plug to USB-A socket Adapter - Component
    Save 66%

    Raspberry Pi Zero 2 Micro USB plug to USB-A socket Adapter

    Cool Components
    £1.99 inc VAT
    £0.67 inc VAT
    £0.56 ex VAT

    DESCRIPTION Easily connect a full-size USB device or peripheral to your Raspberry Pi Zero or Zero V2 model. The compact design makes it easy to add...

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    £1.99 inc VAT
    £0.67 inc VAT
    £0.56 ex VAT
    Save 66%