All Products

SKU: AF-3989

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly.This Large 3V Panel Meter is about handheld-size, with one screw to open up the panel and replace the backing paper, if you like.Even though i...

SKU: DF-KIT0131 · MPN: KIT0131

Build a DIY water quality monitor for field studies, teaching or environmental projects with the KnowFlow Basic Kit. This Arduino-based kit measures two key water parameters: pH and electrical conductivity (EC).Data can be recorded automatically to a micro-SD card for later analysis, and the Blun...

SKU: AF-3447

A set of 18 colour-coded mini alligator clip test leads for solderless connections. Each 15″ (38cm) cable has a small, pointy alligator clip on both ends — ideal for gripping component leads, test points, and sewable pads on boards like micro:bit and Circuit Playground. Perfect for use with mult...

SKU: AF-3990

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly.This Large 5V Analog Panel Meter is about handheld-size, with one screw to open up the panel and replace the backing paper, if you like.E...

SKU: DF-DFR0244-B

This is a standard LED Current Meter 10A. It measures 0-9.99A with 2% accuracy. Best suitable for current display in the circuit.Just apply four wires without any extra circuit or components, it gives the reading straight away. Easy to use, and good company with robot application.It has three...

SKU: DF-DFR1236 · MPN: DFR1236

This development kit combines the FireBeetle 2 ESP32-C5 microcontroller board with a dedicated solderless IO expansion shield, giving you a practical platform for smart home and IoT prototypes.The ESP32-C5 brings dual-band Wi-Fi 6 on 2.4 GHz and 5 GHz, plus Bluetooth 5, Thread and Zigbee support....

SKU: AF-5545

The Adafruit PCF8574 GPIO Expander Breakout is an affordable 8-channel I2C GPIO expander that adds extra digital I/O to any microcontroller project. Simply connect over I2C and control up to 8 additional pins for buttons, LEDs, or other digital peripherals — no extra GPIO-rich board required. Th...

SKU: SF-TOL-12078

These needle tipped multimeter probes are great for attaching to multimeters, power supplies, oscilloscopes, function generators, etc. Not only can these make a good replacement for any multimeter probes you have now that are damaged or worn, but thanks to the needle tip, these probes are great f...

SKU: SF-CAB-00509

A pair of banana plug to alligator clip cables in red and black, ideal for connecting multimeters, power supplies, oscilloscopes, and function generators to your circuit or test points. Specifications Connector A – 4 mm banana plug Connector B – Alligator clip Length – 91 cm (36″) Quantity ...

SKU: DF-DFR1172 · MPN: DFR1172

FireBeetle 2 ESP32-P4 High-Performance Edge AI Microcontroller The FireBeetle 2 ESP32-P4 is a next-generation, high-performance microcontroller development board built around the powerful ESP32-P4R32 chip. Designed for modern AIoT applications, it features dual-core 400 MHz RISC-V processing, adv...

SKU: SF-CAB-30612 · MPN: CAB-30612

Make cleaner, more reliable test connections on the bench with this set of five hook test leads. They are handy for electrical testing and prototyping where a secure, hands-free contact point can make measurements much easier.Each lead has spring-loaded hook clips on both ends, letting you grab o...

SKU: EC-CRF1356KIT

This RFID kit includes a 13.56M RF reader module, which use the RC522 IC, plus 2 S50 RFID cards to help you learn and add the 13.56 MHz RF transition to your project. The MF RC522 is a highly integrated transmission module for contactless communication at 13.56 MHz, it supports ISO 14443A/MIFARE ...

SKU: SF-SEN-30183 · MPN: SEN-30183

This compact digital compass module is built around the HMC6343, a fully integrated electronic compass designed to deliver reliable heading data without making your main microcontroller do all the processing.Unlike basic magnetometers that need to be kept flat, the HMC6343 combines 3-axis magneto...

SKU: AF-3720

Praise the sun! You will never have that awkward situation where your caliper battery dies just when you need to take a measurement. Sure, if you have the budget, we recommend these near-indestructable high-end Mitutoyo calipers. But these are very fine calipers as well. The jaws are plastic, so...

SKU: AF-5472

Why are bananas never lonely? Because they hang around in bunches!A lot of power supplies, multimeters, and other benchtop equipment use standard 4mm banana plugs to connect this-to-that. When you need more, we now stock them! These are handy stackable and retractable Banana P...

SKU: SF-DEV-13746

The SparkFun Beefy 3 is an FTDI Basic Breakout board based on the FT231X USB-to-serial IC. Unlike standard FTDI breakouts, it features an AP2112K voltage regulator capable of supplying up to 600mA at 3.3V — enough to power a 3.3V project directly from the board's USB connection. The 6-pin header...

SKU: SF-TOL-10285

A classic analog panel meter for measuring DC voltage from 0 to 5V. Features a clear, easy-to-read scale with an adjustable dial for zero calibration. Ideal for monitoring sensor outputs, power supply voltages, and other 5V range signals in your projects. Key Features 0–5V DC Range – Perfect f...

SKU: AF-5471

A 0.5-metre red banana plug cable with stackable connectors and retractable safety shrouds. The spring-loaded plastic cover retracts automatically when plugged into a 4 mm banana jack, then extends to cover the metal tip when disconnected — preventing accidental shorts on your workbench. Standar...

SKU: DF-DFR1117

Introducing the Beetle ESP32 C6 Mini Development Board - the perfect solution for your wireless smart wearable device needs. This compact Arduino board is based on the powerful ESP32-C6 chip and boasts a sleek design with dimensions as small as a coin (25*20.5mm). With its high-performance 160MHz...

SKU: DF-DFR1015

Multiple-output DC–DC converters are essential in a multitude of applications where different DC output voltages are required.This DC-DC step-down voltage power module converts 7.5V~30V input to an output of 3.3V/5V/9V/12V (default to 5V), which can be selected by short-circuiting the correspondi...