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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.

  • Low Power Timer Breakout Tpl5110 (Id: 3435) - Active Components

    Low Power Timer Breakout TPL5110 (ID: 3435)

    Adafruit
    £5.99 inc VAT
    £4.99 ex VAT
    2 reviews

    DESCRIPTION The TPL5110 low power timer is a stand-alone breakout that will turn any electronics into low-power electronics! It will take care of ...

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    £5.99 inc VAT
    £4.99 ex VAT
  • Potentiometer with Built In Knob - 10K ohm (ID:4133) - Passive Components

    Potentiometer with Built In Knob - 10K ohm (ID:4133)

    Adafruit
    £1.99 inc VAT
    £1.66 ex VAT
    1 review

    DESCRIPTION They're bigger than a trim-pot but smaller than a chunky potentiometer. Best of all no knob is required! These have a knurled plastic g...

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    £1.99 inc VAT
    £1.66 ex VAT
  • Tactile Switch Buttons (6Mm Slim) X 5 Pack - Buttons
    Save 6%

    Tactile Switch Buttons (6mm slim) x 5 pack

    Generic / OEM
    Original Price £1.00 inc VAT
    Current Price £0.94 inc VAT
    £0.78 ex VAT

    DESCRIPTION Slim clicky momentary switches are standard input "buttons" on electronic projects. These are half the width of classic 6mm tactile swi...

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    Original Price £1.00 inc VAT
    Current Price £0.94 inc VAT
    £0.78 ex VAT
    Save 6%
  • Transistor Npn Bc547B - Active Components
    Save 16%

    Transistor NPN BC547B

    Generic / OEM
    Original Price £0.19 inc VAT
    Current Price £0.16 inc VAT
    £0.13 ex VAT

    DESCRIPTION This is a basic, NPN transistor. It can be used as a switch where a logic output can't supply (or sink) enough current. In some circums...

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    Original Price £0.19 inc VAT
    Current Price £0.16 inc VAT
    £0.13 ex VAT
    Save 16%
  • Big Dome Push Button - Green With Clear Case Rim - Buttons
    Save 23%

    Big Dome Push Button - Green with Clear Case Rim

    Cool Components
    Original Price £3.98 inc VAT
    Current Price £3.07 inc VAT
    £2.56 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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    Original Price £3.98 inc VAT
    Current Price £3.07 inc VAT
    £2.56 ex VAT
    Save 23%
  • Softpot Membrane Potentiometer - 100Mm (Id: 178) - Passive Components

    SoftPot Membrane Potentiometer - 100mm (ID: 178)

    Adafruit
    £7.94 inc VAT
    £6.62 ex VAT
    3 reviews

    DESCRIPTION This 100mm SoftPot membrane potentiometer is a very thin variable potentiometer. By pressing down on various parts of the strip, the re...

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    £7.94 inc VAT
    £6.62 ex VAT
  • Dc Barrel Jack Adapter - Male (Prt-10287) - Cables And Adapters
    Save 22%

    DC Barrel Jack Adapter - Male (PRT-10287)

    SparkFun
    Original Price £2.70 inc VAT
    Current Price £2.11 inc VAT
    £1.76 ex VAT

    DESCRIPTION This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, ce...

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    Original Price £2.70 inc VAT
    Current Price £2.11 inc VAT
    £1.76 ex VAT
    Save 22%
  • Softpot Membrane Potentiometer - 50Mm (Sen-08680) - Passive Components

    SoftPot Membrane Potentiometer - 50mm (SEN-08680)

    SparkFun
    £9.36 inc VAT
    £7.80 ex VAT

    DESCRIPTION SoftPot membrane potentiometers are very thin variable potentiometers. These are very thin variable potentiometers. By pressing down o...

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    £9.36 inc VAT
    £7.80 ex VAT
  • Dotstar Micro Leds (Apa102-2020) - Smart Smd Rgb Led - 10 Pack - Leds
    Save 55%

    DotStar Micro LEDs (APA102-2020) - Smart SMD RGB LED - 10 pack

    Generic / OEM
    Original Price £5.95 inc VAT
    Current Price £2.68 inc VAT
    £2.23 ex VAT

    DESCRIPTION These incredibly small Dotstar APA102-2020 surface-mount LEDs are an easy way to add a lot of very tiny (but bright!) colourful dots to...

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    Original Price £5.95 inc VAT
    Current Price £2.68 inc VAT
    £2.23 ex VAT
    Save 55%
  • Zippyy Ball Handle Arcade Joystick - Switches
    Sold out

    Zippyy Ball Handle Arcade Joystick

    Generic / OEM
    £11.99 inc VAT
    £9.99 ex VAT
    1 review

    DESCRIPTION 4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! FEATURES ABS plastic and a solid alloy constru...

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    £11.99 inc VAT
    £9.99 ex VAT
    Sold out
  • Thumb Joystick - Deluxe - Component

    Thumb Joystick - Deluxe

    Sparkfun Electronics
    £3.99 inc VAT
    £3.33 ex VAT

    DESCRIPTION This is a 16mm deluxe thumb joystick and is very similar to the 'analogue' joysticks found inside PlayStation controllers. Directional ...

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    £3.99 inc VAT
    £3.33 ex VAT
  • Breakout Board For Mcp4725 I2C Dac (Bob-12918) - Active Components

    Breakout Board for MCP4725 I2C DAC (BOB-12918)

    SparkFun
    £5.08 inc VAT
    £4.23 ex VAT

    DESCRIPTION You've always wanted to output analogue voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 i...

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    £5.08 inc VAT
    £4.23 ex VAT
  • Simple USB C Socket Breakout - Component

    Simple USB C Socket Breakout

    Adafruit
    £1.99 inc VAT
    £1.66 ex VAT

    DESCRIPTION This Simple USB Type C breakout is kinda interesting, it's an 'inline' style with pads for soldering to the common USB 1.1/2.0 connecti...

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    £1.99 inc VAT
    £1.66 ex VAT
  • Opto Isolator 4N35 - Active Components
    Save 10%

    Opto Isolator 4N35

    Generic / OEM
    Original Price £0.48 inc VAT
    Current Price £0.43 inc VAT
    £0.36 ex VAT

    DESCRIPTION Opto Isolators provide a way of separating your low voltage, safe, logic signals from the terrifying, death inducing danger of the main...

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    Original Price £0.48 inc VAT
    Current Price £0.43 inc VAT
    £0.36 ex VAT
    Save 10%
  • 5-Way Tactile Switch - Buttons

    5-way Tactile Switch

    Generic / OEM
    £2.48 inc VAT
    £2.07 ex VAT

    DESCRIPTION Sometimes you want a small input and a single button just won't cut it. A 5-way tactile switch allows for a joystick-like interface in...

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    £2.48 inc VAT
    £2.07 ex VAT
  • Real Time Clock Module (Bob-12708) - Active Components

    Real Time Clock Module (BOB-12708)

    SparkFun
    £16.55 inc VAT
    £13.79 ex VAT

    DESCRIPTION This is the Real Time Clock (RTC) Module, this little breakout uses the DS1307 to keep track of the current year, month, day as well ...

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    £16.55 inc VAT
    £13.79 ex VAT
  • Led - Green 3Mm - Leds

    LED - Green 3mm

    Generic / OEM
    £0.08 inc VAT
    £0.07 ex VAT

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

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    £0.08 inc VAT
    £0.07 ex VAT
  • Big Dome Push Button - Blue With Clear Case Rim - Buttons
    Save 23%

    Big Dome Push Button - Blue with Clear Case Rim

    Cool Components
    Original Price £3.98 inc VAT
    Current Price £3.07 inc VAT
    £2.56 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...

    View full details
    Original Price £3.98 inc VAT
    Current Price £3.07 inc VAT
    £2.56 ex VAT
    Save 23%
  • Tactile Buttons X4 - Buttons
    Save 22%

    Tactile Buttons x4

    Cool Components
    Original Price £6.13 inc VAT
    Current Price £4.78 inc VAT
    £3.98 ex VAT

    DESCRIPTION Colours may vary from image shown.

    Original Price £6.13 inc VAT
    Current Price £4.78 inc VAT
    £3.98 ex VAT
    Save 22%
  • Switch - 4 Way Dip - Switches
    Save 47%

    Switch - 4 Way, DIP

    Generic / OEM
    Original Price £0.72 inc VAT
    Current Price £0.38 inc VAT
    £0.32 ex VAT
    1 review

    DESCRIPTION This 4 way DIP switch has 4 slider switches and enables you to customise the behaviour of electronic devices for specific situations. I...

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    Original Price £0.72 inc VAT
    Current Price £0.38 inc VAT
    £0.32 ex VAT
    Save 47%
  • 16 Output I/o Expander Breakout - Sx1509 (Bob-13601) - Active Components

    16 Output I/O Expander Breakout - SX1509 (BOB-13601)

    SparkFun
    £6.48 inc VAT
    £5.40 ex VAT
    1 review

    DESCRIPTION The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface that means with just two wires, your microcontroller can inter...

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    £6.48 inc VAT
    £5.40 ex VAT
  • Lilypad Led Blue (5Pcs) (Dev-10045) - Leds

    LilyPad LED Blue (5pcs) (DEV-10045)

    SparkFun
    £3.10 inc VAT
    £2.58 ex VAT

    DESCRIPTION Here is a simple 5 pack of blue LEDs for LilyPad, or whatever else you can dream up. Light up the night! LilyPad is a wearable e-texti...

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    £3.10 inc VAT
    £2.58 ex VAT
  • Cold 2-Wire Splice (Uy) - Two-Way Butt Splice - Connectors
    Save 75%

    Cold 2-Wire Splice (UY) - Two-way Butt Splice

    Generic / OEM
    Original Price £0.20 inc VAT
    Current Price £0.05 inc VAT
    £0.04 ex VAT

    DESCRIPTION Kiss those days of heat-shrink, melted jacketing and clumsily-arranged third-hand tools goodbye! Go 'cold splice' with these snap-able ...

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    Original Price £0.20 inc VAT
    Current Price £0.05 inc VAT
    £0.04 ex VAT
    Save 75%
  • 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...

    View full details
    £7.99 inc VAT
    £6.66 ex VAT
    Sold out