Prototyping

SKU: SF-COM-09190 | Brand: SparkFun

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). This button is great for user input on a PCB or a good, big reset button o...

SKU: SF-TOL-09161 | Brand: SparkFun

This is your basic spool of leaded solder with a 63/37 water soluble resin core. 0.031" gauge and 100 grams. This is a good spool for more advanced users that should last 6-12 months depending on how often you solder....

SKU: SF-COM-00526 | Brand: SparkFun

The LD1117V33 is a low-dropout (LDO) positive voltage regulator with a fixed 3.3V output. With on-chip trimming providing ±1% output voltage tolerance and built-in current and thermal limiting, it's a reliable choice ...

SKU: SF-SEN-10293 | Brand: SparkFun

A simple piezo element that can be used as both a sensor and a small audio transducer. When flexed or tapped, it generates a voltage that can be read by a microcontroller, making it ideal for knock and vibration detec...

SKU: AF-3522 | Brand: Adafruit

For winding custom coils, or very fine-pitch rework, we always reach for magnet wire. Magnet wire is very very thin (0.1mm diameter!) copper wire with a very thin layer of insulation. It's used for a range of elect...

SKU: LB-LS3381-K | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in black, pre-wired with 20 cm red and black leads for easy connection. Normally open — pressing the button closes the contacts. Key Features ...

SKU: LB-LS3381-B | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in blue, pre-wired with 20 cm red and black leads for easy connection. Normally open — pressing the button closes the contacts. Key Features P...

SKU: AF-4874 | Brand: Adafruit

A matching pair of 4-pin JST XH-compatible cables — one with an inline plug and one with an inline socket — for easy connect-and-disconnect wiring. The 2.5mm pitch connectors friction-lock together for a secure, relia...

SKU: EF-EF10130 | Brand: ElecFreaks

Alligator clips (also known as crocodile clips) are one of the most useful tools on any maker's workbench. Whether you're testing a circuit, connecting a micro:bit to external components, or extending your multimeter ...

SKU: SF-PRT-14491 | Brand: SparkFun

A pack of 20 through-hole 10 kΩ resistors with thick leads designed for a snug fit in solderless breadboards. These are standard ¼ W, ±5% tolerance PTH resistors — ideal for pull-ups, pull-downs, current limiting, and...

SKU: DF-FIT0117 | Brand: DFRobot

An assortment of 100 aluminium electrolytic capacitors across 12 common values, ranging from 1µF to 470µF. A handy kit for prototyping, decoupling, and general-purpose circuit building — covers the most frequently use...

SKU: DF-FIT0154 | Brand: DFRobot

These high-quality breadboard jumper cables are made with 22 AWG multi-strand wire and sturdy male pins on both ends. Each cable is approximately 214 mm long and comes in assorted colours for easy circuit identificati...

SKU: SF-COM-00096 | Brand: SparkFun

High-quality radial electrolytic capacitors rated at 100 µF / 25 V. Ideal for power supply decoupling, transient suppression, and smoothing voltage ripple in your projects. Place one between power and ground rails to ...

SKU: DF-DFR0144 | Brand: DFRobot

This 4-channel relay shield from DFRobot plugs directly onto an Arduino Uno or compatible board, providing opto-isolated relay switching for controlling high-power devices such as lamps, water pumps, and motors. Each ...

SKU: SF-PRT-11026 | Brand: SparkFun

If you need to knock up a quick prototype there’s nothing like having a pile of jumper wires to speed things up, and let’s face it: sometimes you want quantity over quality. These are the same jumper wires that com...

SKU: SF-PRT-12796 | Brand: SparkFun

These are 6" long jumper wires with female connectors on both ends. Use these to jumper from any male header on any board, to any other male header. Combine these with our male to male jumpers to create a male to f...

SKU: AF-1954 | Brand: Adafruit

These Female/Male Extension jumper wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 20 (2 pieces of ea...

SKU: AF-4215 | Brand: Adafruit

Add a panel-mount Ethernet port to any enclosure without cutting custom shapes. This RJ-45 round panel mount extension cable fits a standard ~30 mm round hole — just drill with a common hole saw, unscrew the plastic n...

SKU: LB-LR0589-BLACK | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in black. Normally open — pressing the button closes the contacts. The dome design provides a satisfying tactile feel and sits flush with the pan...

SKU: LB-LR0589-RED | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in red. Normally open — pressing the button closes the contacts. The dome design provides a satisfying tactile feel and sits flush with the panel...