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Backordered items may experience extended lead times due to COVID-19.

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.

  • Concave Arcade Button - Yellow - Buttons

    Concave Arcade Button - Yellow

    Generic / OEM
    £1.54 inc VAT
    £1.28 ex VAT

    DESCRIPTIONThis is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. ...

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    £1.54 inc VAT
    £1.28 ex VAT
  • Real Time Clock Module (Bob-12708) - Active Components

    Real Time Clock Module (BOB-12708)

    SparkFun
    £14.51 inc VAT
    £12.09 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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    £14.51 inc VAT
    £12.09 ex VAT
  • 555 Timer - Active Components

    555 Timer

    Generic / OEM
    £0.50 inc VAT
    £0.42 ex VAT
    1 review

    DESCRIPTION The 555 timer is a chip containing precision timing circuits capable of producing accurate time delays or oscillation. In the time-del...

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    £0.50 inc VAT
    £0.42 ex VAT
  • Transistor Npn Bc547B - Active Components

    Transistor NPN BC547B

    Generic / OEM
    £0.19 inc VAT
    £0.16 ex VAT

    DESCRIPTIONThis 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 circumst...

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    £0.19 inc VAT
    £0.16 ex VAT
  • Zippyy Ball Handle Arcade Joystick - Switches

    Zippyy Ball Handle Arcade Joystick

    Generic / OEM
    £11.99 inc VAT
    £9.99 ex VAT

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

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    £11.99 inc VAT
    £9.99 ex VAT
  • 5V 9A Step-Down Voltage Regulator D24V90F5 - Active Components

    5V, 9A Step-Down Voltage Regulator D24V90F5

    Pololu
    £22.36 inc VAT
    £18.63 ex VAT
    1 review

    DESCRIPTION This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while ...

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    £22.36 inc VAT
    £18.63 ex VAT
  • Tactile Switch Buttons (6Mm Slim) X 5 Pack - Buttons

    Tactile Switch Buttons (6mm slim) x 5 pack

    Generic / OEM
    £1.00 inc VAT
    £0.83 ex VAT

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

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    £1.00 inc VAT
    £0.83 ex VAT
  • Led - Red 3Mm - Leds

    LED - Red 3mm

    Generic / OEM
    £0.08 inc VAT
    £0.07 ex VAT

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

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    £0.08 inc VAT
    £0.07 ex VAT
  • Dc Barrel Jack Adapter - Male (Prt-10287) - Cables And Adapters

    DC Barrel Jack Adapter - Male (PRT-10287)

    SparkFun
    £2.39 inc VAT
    £1.99 ex VAT

    DESCRIPTIONThis 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, cen...

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    £2.39 inc VAT
    £1.99 ex VAT
  • Tactile Buttons X4 - Buttons

    Tactile Buttons x4

    Cool Components
    £1.42 inc VAT
    £1.18 ex VAT

    DESCRIPTION Colours may vary from image shown.

    £1.42 inc VAT
    £1.18 ex VAT
  • Button Pad 2X2 - Led Compatible (Com-07836) - Buttons

    Button Pad 2x2 - LED Compatible (COM-07836)

    SparkFun
    £2.84 inc VAT
    £2.37 ex VAT

    DESCRIPTION This is a translucent silicon rubber button pad with 4 buttons orignally inspired by the folks at monome.org. Each button has a hole u...

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    £2.84 inc VAT
    £2.37 ex VAT
  • Opto Isolator 4N35 - Active Components

    Opto Isolator 4N35

    Generic / OEM
    £0.48 inc VAT
    £0.40 ex VAT

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

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    £0.48 inc VAT
    £0.40 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
  • Audio Jack 3.5Mm - Components

    Audio Jack 3.5mm

    Generic / OEM
    £1.20 inc VAT
    £1.00 ex VAT

    DESCRIPTION Low profile 3.5mm stereo audio jack that can be inserted into breadboards (can be stiff as pins are flat, not round). FEATURES RESOURC...

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    £1.20 inc VAT
    £1.00 ex VAT
  • Deadon Rtc - Ds3234 Breakout (Bob-10160) - Active Components

    DeadOn RTC - DS3234 Breakout (BOB-10160)

    SparkFun
    £19.13 inc VAT
    £15.94 ex VAT
    1

    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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    £19.13 inc VAT
    £15.94 ex VAT
  • Button Pad 2X2 - Breakout Pcb (Com-09277) - Buttons

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

    SparkFun
    £4.26 inc VAT
    £3.55 ex VAT

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

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    £4.26 inc VAT
    £3.55 ex VAT
  • Big Dome Push Button - White With Clear Case Rim - Buttons

    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 c...

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    £7.99 inc VAT
    £6.66 ex VAT
  • Switch - 4 Way Dip - Switches

    Switch - 4 Way, DIP

    Generic / OEM
    £0.59 inc VAT
    £0.49 ex VAT
    1 review

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

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    £0.59 inc VAT
    £0.49 ex VAT
  • Button Pad 4X4 - Led Compatible (Com-07835) - Buttons

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

    SparkFun
    £6.48 inc VAT
    £5.40 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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    £6.48 inc VAT
    £5.40 ex VAT
  • 5-Way Tactile Switch - Buttons

    5-way Tactile Switch

    Generic / OEM
    £1.55 inc VAT
    £1.29 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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    £1.55 inc VAT
    £1.29 ex VAT
  • 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
    £7.00 inc VAT
    £5.83 ex VAT
    1 review

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

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    £7.00 inc VAT
    £5.83 ex VAT
  • Lilypad Led Blue (5Pcs) (Dev-10045) - Leds

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

    SparkFun
    £3.95 inc VAT
    £3.29 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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    £3.95 inc VAT
    £3.29 ex VAT
  • 5V Step-Up/step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff S9V11F5S6Cma - Active Components

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

    Pololu
    £7.00 inc VAT
    £5.83 ex VAT

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

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    £7.00 inc VAT
    £5.83 ex VAT
  • Beefcake Relay Control Kit (Kit-13815) - Active Components

    Beefcake Relay Control Kit (KIT-13815)

    SparkFun
    £9.16 inc VAT
    £7.63 ex VAT
    1 review

    DESCRIPTION Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 2...

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    £9.16 inc VAT
    £7.63 ex VAT