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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.
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Low Power Timer Breakout TPL5110 (ID: 3435)
Adafruit£5.99 inc VAT
£4.99 ex VATDESCRIPTION The TPL5110 low power timer is a stand-alone breakout that will turn any electronics into low-power electronics! It will take care of ...
View full details£5.99 inc VAT
£4.99 ex VATSale -
Potentiometer with Built In Knob - 10K ohm (ID:4133)
AdafruitOriginal Price £1.99 inc VATCurrent Price £0.91 inc VAT
£0.76 ex VATDESCRIPTION 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...
View full detailsOriginal Price £1.99 inc VATCurrent Price £0.91 inc VAT
£0.76 ex VATSold out -
Tactile Switch Buttons (6mm slim) x 5 pack
Generic / OEMOriginal Price £1.00 inc VATCurrent Price £0.94 inc VAT
£0.78 ex VATDESCRIPTION Slim clicky momentary switches are standard input "buttons" on electronic projects. These are half the width of classic 6mm tactile swi...
View full detailsOriginal Price £1.00 inc VATCurrent Price £0.94 inc VAT
£0.78 ex VATSave 6% -
Transistor NPN BC547B
Generic / OEMOriginal Price £0.19 inc VATCurrent Price £0.16 inc VAT
£0.13 ex VATDESCRIPTION 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...
View full detailsOriginal Price £0.19 inc VATCurrent Price £0.16 inc VAT
£0.13 ex VATSave 16% -
Big Dome Push Button - Green with Clear Case Rim
Cool ComponentsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATDESCRIPTION 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 detailsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATSave 23% -
SoftPot Membrane Potentiometer - 100mm (ID: 178)
Adafruit£7.94 inc VAT
£6.62 ex VATDESCRIPTION This 100mm SoftPot membrane potentiometer is a very thin variable potentiometer. By pressing down on various parts of the strip, the re...
View full details£7.94 inc VAT
£6.62 ex VATSale -
DC Barrel Jack Adapter - Male (PRT-10287)
SparkFunOriginal Price £2.70 inc VATCurrent Price £2.11 inc VAT
£1.76 ex VATDESCRIPTION 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...
View full detailsOriginal Price £2.70 inc VATCurrent Price £2.11 inc VAT
£1.76 ex VATSave 22% -
SoftPot Membrane Potentiometer - 50mm (SEN-08680)
SparkFun£9.36 inc VAT
£7.80 ex VATDESCRIPTION SoftPot membrane potentiometers are very thin variable potentiometers. These are very thin variable potentiometers. By pressing down o...
View full details£9.36 inc VAT
£7.80 ex VATSale -
DotStar Micro LEDs (APA102-2020) - Smart SMD RGB LED - 10 pack
Generic / OEMOriginal Price £5.95 inc VATCurrent Price £2.68 inc VAT
£2.23 ex VATDESCRIPTION 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...
View full detailsOriginal Price £5.95 inc VATCurrent Price £2.68 inc VAT
£2.23 ex VATSave 55% -
Zippyy Ball Handle Arcade Joystick
Generic / OEM£11.99 inc VAT
£9.99 ex VATDESCRIPTION 4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! FEATURES ABS plastic and a solid alloy constru...
View full details£11.99 inc VAT
£9.99 ex VATSold out -
Thumb Joystick - Deluxe
Sparkfun Electronics£3.99 inc VAT
£3.33 ex VATDESCRIPTION This is a 16mm deluxe thumb joystick and is very similar to the 'analogue' joysticks found inside PlayStation controllers. Directional ...
View full details£3.99 inc VAT
£3.33 ex VATSale -
Breakout Board for MCP4725 I2C DAC (BOB-12918)
SparkFun£5.08 inc VAT
£4.23 ex VATDESCRIPTION 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...
View full details£5.08 inc VAT
£4.23 ex VATSale -
Simple USB C Socket Breakout
Adafruit£1.99 inc VAT
£1.66 ex VATDESCRIPTION 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...
View full details£1.99 inc VAT
£1.66 ex VATSale -
Opto Isolator 4N35
Generic / OEMOriginal Price £0.48 inc VATCurrent Price £0.43 inc VAT
£0.36 ex VATDESCRIPTION Opto Isolators provide a way of separating your low voltage, safe, logic signals from the terrifying, death inducing danger of the main...
View full detailsOriginal Price £0.48 inc VATCurrent Price £0.43 inc VAT
£0.36 ex VATSave 10% -
5-way Tactile Switch
Generic / OEM£2.48 inc VAT
£2.07 ex VATDESCRIPTION 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...
View full details£2.48 inc VAT
£2.07 ex VATSale -
LED - Green 3mm
Generic / OEM£0.08 inc VAT
£0.07 ex VATDESCRIPTIONBasic, 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...
View full details£0.08 inc VAT
£0.07 ex VATSale -
Real Time Clock Module (BOB-12708)
SparkFun£16.55 inc VAT
£13.79 ex VATDESCRIPTION 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 ...
View full details£16.55 inc VAT
£13.79 ex VATSale -
Big Dome Push Button - Blue with Clear Case Rim
Cool ComponentsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATDESCRIPTION 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 detailsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATSave 23% -
Tactile Buttons x4
Cool ComponentsOriginal Price £6.13 inc VATCurrent Price £4.78 inc VAT
£3.98 ex VATDESCRIPTION Colours may vary from image shown.
Original Price £6.13 inc VATCurrent Price £4.78 inc VAT
£3.98 ex VATSave 22% -
Switch - 4 Way, DIP
Generic / OEMOriginal Price £0.72 inc VATCurrent Price £0.38 inc VAT
£0.32 ex VATDESCRIPTION This 4 way DIP switch has 4 slider switches and enables you to customise the behaviour of electronic devices for specific situations. I...
View full detailsOriginal Price £0.72 inc VATCurrent Price £0.38 inc VAT
£0.32 ex VATSave 47% -
16 Output I/O Expander Breakout - SX1509 (BOB-13601)
SparkFun£6.48 inc VAT
£5.40 ex VATDESCRIPTION The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface that means with just two wires, your microcontroller can inter...
View full details£6.48 inc VAT
£5.40 ex VATSale -
LilyPad LED Blue (5pcs) (DEV-10045)
SparkFun£3.10 inc VAT
£2.58 ex VATDESCRIPTION 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...
View full details£3.10 inc VAT
£2.58 ex VATSale -
Cold 2-Wire Splice (UY) - Two-way Butt Splice
Generic / OEMOriginal Price £0.20 inc VATCurrent Price £0.05 inc VAT
£0.04 ex VATDESCRIPTION Kiss those days of heat-shrink, melted jacketing and clumsily-arranged third-hand tools goodbye! Go 'cold splice' with these snap-able ...
View full detailsOriginal Price £0.20 inc VATCurrent Price £0.05 inc VAT
£0.04 ex VATSave 75% -
Big Dome Push Button - White with Clear Case Rim
Cool Components£7.99 inc VAT
£6.66 ex VATDESCRIPTION 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 VATSold out -
Big Dome Push Button - Yellow with Clear Case Rim
Cool ComponentsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATDESCRIPTION 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 detailsOriginal Price £3.98 inc VATCurrent Price £3.07 inc VAT
£2.56 ex VATSave 23% -
Anodized Aluminum Machined Knob - 20mm Diameter
Adafruitfrom £2.44 inc VATDESCRIPTION These compact machined knobs are the perfect way to upgrade your rotary encoder or potentiometer, not only do they look fantastic but t...
View full detailsfrom £2.44 inc VATSale -
3.3V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F3S5CMA
Pololu£9.99 inc VAT
£8.33 ex VATDESCRIPTION The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3V (default) or 5V (selectable) output whether it...
View full details£9.99 inc VAT
£8.33 ex VATSale -
Breakout Board for Thumb Joystick (BOB-09110)
SparkFun£1.85 inc VAT
£1.54 ex VATDESCRIPTION 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 ...
View full details£1.85 inc VAT
£1.54 ex VATSale -
Slide Potentiometer with Knob - 75mm Long - 10KΩ (ID:4219)
Adafruit£4.00 inc VAT
£3.33 ex VATDESCRIPTION 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...
View full details£4.00 inc VAT
£3.33 ex VATSold out -
Button Pad 4x4 - LED Compatible (COM-07835)
SparkFun£5.77 inc VAT
£4.81 ex VATDESCRIPTION This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at monome.org. Each button has a hole ...
View full details£5.77 inc VAT
£4.81 ex VATSale -
Button Pad 2x2 - Breakout PCB (COM-09277)
SparkFunOriginal Price £4.68 inc VATCurrent Price £3.65 inc VAT
£3.04 ex VATDESCRIPTION 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...
View full detailsOriginal Price £4.68 inc VATCurrent Price £3.65 inc VAT
£3.04 ex VATSave 22% -
LED - Yellow 3mm
Generic / OEMOriginal Price £0.08 inc VATCurrent Price £0.04 inc VAT
£0.03 ex VATDESCRIPTIONBasic, 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...
View full detailsOriginal Price £0.08 inc VATCurrent Price £0.04 inc VAT
£0.03 ex VATSave 50% -
Multicolour Buttons - 4-pack (PRT-14460)
SparkFunOriginal Price £1.64 inc VATCurrent Price £1.28 inc VAT
£1.07 ex VATDESCRIPTION This is a simple 4-pack of multicoloured buttons, great for all sorts of projects! Unlike previous iterations of multicoloured buttons,...
View full detailsOriginal Price £1.64 inc VATCurrent Price £1.28 inc VAT
£1.07 ex VATSave 22% -
Audio Jack Breakout (PRT-10588)
SparkFunOriginal Price £0.79 inc VATCurrent Price £0.62 inc VAT
£0.52 ex VATDESCRIPTION Simple breakout board for the 3.5mm audio jack. Use this breakout (shipped bare) to allow breadboard or SIP access to the super-common...
View full detailsOriginal Price £0.79 inc VATCurrent Price £0.62 inc VAT
£0.52 ex VATSave 22% -
Super Capacitor - 10F/2.5V
Generic / OEM£2.40 inc VAT
£2.00 ex VATDESCRIPTION Yes, you read that correctly - 10 Farad capacitors. This small cap can be charged up and then slowly dissipated running an entire syst...
View full details£2.40 inc VAT
£2.00 ex VATSold out -
36mm Square 12V Digital RGB Addressable LED Pixels (Strand of 20) - WS2801
Cool Components£27.98 inc VAT
£23.32 ex VATDESCRIPTION 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...
View full details£27.98 inc VAT
£23.32 ex VATSold out -
5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA
PololuOriginal Price £13.79 inc VATCurrent Price £10.74 inc VAT
£8.95 ex VATDESCRIPTION The S9V11F5S6CMA switching step-up/step-down regulator efficiently produces a fixed 5V (default) or 6V (selectable) output whether it i...
View full detailsOriginal Price £13.79 inc VATCurrent Price £10.74 inc VAT
£8.95 ex VATSave 22% -
PCA9306 Level Translator Breakout (BOB-11955)
SparkFun£4.39 inc VAT
£3.66 ex VATDESCRIPTION This is a breakout board for the PCA9306 dual bidirectional voltage-level translator. Because different parts sometimes use different ...
View full details£4.39 inc VAT
£3.66 ex VATSale -
Transistor - PNP (2N3906)
Generic / OEM£0.17 inc VAT
£0.14 ex VATDESCRIPTION These are very common, high quality BJT, PNP transistors. RESOURCES Datasheet: - 2N3906
£0.17 inc VAT
£0.14 ex VATSale -
MG90D Digital Metal Gear Servo
TowerPro£6.59 inc VAT
£5.49 ex VATDESCRIPTION Digital 13g Metal gear, double ball bearing servo with an alloy casing in the middle. Excellent for RC F3A 3D flyer helicopters & a...
View full details£6.59 inc VAT
£5.49 ex VATSale -
SG51R Digital Standard Servo
TowerPro£4.00 inc VAT
£3.33 ex VATDESCRIPTION The SG51R is a micro digital servo from TowerPro! It's a great choice for tiny robotic & plane projects! The unit features a stalli...
View full details£4.00 inc VAT
£3.33 ex VATSale -
Polarised Electrolytic Capacitor 100 µF 16V
MULTICOMPOriginal Price £0.10 inc VATCurrent Price £0.06 inc VAT
£0.05 ex VATDESCRIPTION This 100µF 16V capacitor is part of the Multicomp MCGPR series capacitors. They are general purpose, radial leaded polarized aluminium...
View full detailsOriginal Price £0.10 inc VATCurrent Price £0.06 inc VAT
£0.05 ex VATSave 40% -
Microswitch - SPDT
Generic / OEMOriginal Price £0.48 inc VATCurrent Price £0.14 inc VAT
£0.12 ex VATDESCRIPTION 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...
View full detailsOriginal Price £0.48 inc VATCurrent Price £0.14 inc VAT
£0.12 ex VATSave 71% -
SG90 Analog Servo - POM Gear Set
TowerPro£2.99 inc VAT
£2.49 ex VATFEATURES 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...
View full details£2.99 inc VAT
£2.49 ex VATSold out -
DeadOn RTC - DS3234 Breakout (BOB-10160)
SparkFun£22.72 inc VAT
£18.93 ex VATDESCRIPTION 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 ...
View full details£22.72 inc VAT
£18.93 ex VATSale -
Beginner Parts Kit (KIT-13973)
SparkFun£18.53 inc VAT
£15.44 ex VATDESCRIPTION The beginner parts kit is a small container of parts frequently used by beginning (or even experienced) hobbyists that gives you all of...
View full details£18.53 inc VAT
£15.44 ex VATSale -
Raspberry Pi Zero 2 Micro USB plug to USB-A socket Adapter
Cool ComponentsOriginal Price £1.99 inc VATCurrent Price £0.67 inc VAT
£0.56 ex VATDESCRIPTION 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...
View full detailsOriginal Price £1.99 inc VATCurrent Price £0.67 inc VAT
£0.56 ex VATSave 66% -
Feather RP2040
Adafruit£13.00 inc VAT
£10.83 ex VATDESCRIPTION Inside the RP2040 is a 'permanent ROM' USB UF2 bootloader. What that means is when you want to program new firmware, you can hold down ...
View full details£13.00 inc VAT
£10.83 ex VATSale