All Products

SKU: SF-PRT-12769

Add SD card storage to your next project with this simple, through-hole SD/MMC socket. SD and MMC cards communicate over an SPI serial bus (as well as a 4-bit proprietary bus), making them easy to interface with microcontrollers like Arduino, PIC, and many others — ideal for data logging, audio p...

SKU: DF-DFR0071

The DFRobot SD Module (DFR0071) is a breakout board that adds standard SD and Micro SD (TF) card storage to your Arduino projects. Use it for data logging, file storage, and transferring data between your microcontroller and removable flash memory. The module sits directly on top of an Arduino b...

SKU: SF-TOL-11468

This board is a unique board recommended by a SparkFun customer. When playing with SD, you sometimes need to view what the SPI traffic is doing, whether for hacking or debugging. The SD Sniffer allows you to hook up an external device, such as a logic analyzer or microcontroller, to view what sig...

SKU: AF-6060 · MPN: ADA6060

Move an awkward card slot to somewhere easier to reach with this flexible SD to microSD extender. It gives you a long cable with a pseudo-card on one end and an SD card socket on the other, so you can plug into the host device and mount the socket wherever it is more convenient.It is a handy hack...

SKU: DF-FIT0129

The 4x4 Keypad is a general purpose 16 button (4x4) matrix keypad. It comes ready to work, simply peel-off the adhesive backing, stick it to your surface and plug it in.

SKU: SS-113991115

Seeed Studio XIAO Series are diminutive development boards, sharing a similar hardware structure, where the size is literally thumb-sized. The code name "XIAO" here represents its half feature "Tiny", and the other half will be "Puissant".Seeed Studio XIAO ESP32S3 Sense integrates a camera sensor...

SKU: SS-102010428

Features Powerful MCU: Dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz Rich on-chip resources: 264KB of SRAM, and 2MB of onboard Flash memory Flexible compatibility: Support Arduino / Micropython / CircuitPython Easy project operation: Breadboard-friendly & SMD de...

SKU: AF-2209

The SEGGER J-Link BASE is an industry-standard JTAG/SWD debugger and programmer for ARM-based microcontrollers. It connects via USB and provides hardware debugging, flash programming, and real-time memory access across a wide range of ARM cores — from Cortex-M0 to Cortex-A9. The J-Link is toolch...

SKU: AF-3571 · MPN: ADA3571

A compact EDU version of SEGGER’s J-Link debug probe, this little unit gives you direct JTAG/SWD access to Cortex-M based targets for programming and debugging ARM microcontrollers.Instead of relying on printf statements and LEDs, you can set breakpoints, inspect memory and registers on a live sy...

SKU: SF-PGM-31107 · MPN: PGM-31107

The SEGGER J-Link EDU Mini is a compact JTAG/SWD debug probe for students and hobbyists working with Arm® and RISC-V-based microcontrollers. It delivers core J-Link debugging and flash programming functions in a small, minimal form factor.Use it to halt program execution, read or write memory add...

SKU: SF-SEN-28867 · MPN: SEN-28867

This rain gauge measures rainfall using a self-emptying bucket-type mechanism. Each time enough rain is collected, it triggers a momentary button closure that can be read by your electronics project.The switch closure can be measured with interrupt pins or a digital counter, making it suitable fo...

SKU: DF-FIT0455-G

INTRODUCTION Comes in your choice of red, green, blue, yellow or white. This button locks and lights up when pushed. It's perfect for DIY projects which require a button and it's easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. ...

SKU: DF-TEL0146

In life, remote controllers can be seen everywhere, and most of them are inseparable from the battery. However, we often encounter problems when using the battery, for instance, it is troublesome to replace the battery, batteries are easy to corrode in a humid environment, or the waste batteries ...

SKU: DF-TEL0173 · MPN: TEL0173

A battery-free wireless switch that generates its own power from the mechanical energy of each button press. The built-in micro power generator and energy storage circuit capture kinetic energy, store it, and transmit a BLE 5.3 beacon signal — no batteries, no wiring, no maintenance. Each switch...

SKU: DF-FIT0600

This semi-flexible monocrystalline solar panel delivers up to 5 W at 5 V / 1 A, making it well suited for powering microcontrollers, IoT sensors, and USB-charged devices in outdoor environments. The A-class monocrystalline silicon cells achieve up to 21% conversion efficiency, providing reliable ...

SKU: DF-FIT0573

A semi-flexible monocrystalline solar panel rated at 5V and 2A (10W maximum power) with up to 21% conversion efficiency. The ultra-thin, waterproof design weighs just 142g, making it significantly lighter than glass-packaged panels. Includes mounting holes and copper clasps for attaching to backp...

SKU: DF-SEN0690 · MPN: SEN0690

Add a slim linear touch input to curved or space-constrained surfaces with this flexible ribbon-style potentiometer. At just 0.45mm thick, it can conform to wearables, curved dashboards, soft robotics and other builds where a bulky mechanical slider is not practical.The graphene-based pressure-se...

SKU: SF-SEN-23715 · MPN: SEN-23715

The SEN55 environmental node is a straightforward, all-in-one sensor solution platform for the accurate measurement of various environmental parameters, such as particulate matter, volatile organic compounds (VOCs), oxidizing gases, such as nitrogen oxides (NOx), as well as humidity & temperature...

SKU: LB-LR0309-54

This is a ball tilt switch. When the switch is vertical the switch is ON. When put horizontal the switch is OFF.   All materials are manufactured using environmentally friendly raw materials, in line with ROHS requirements.   Here is our hook up guide and tutorial   What is a Ti...

SKU: EF-EF05022 · MPN: EF05022

ELECFREAKS PlanetX BME280 Environment Sensor is a combination sensor based on digital humidity, pressure, and temperature sensors. It is also able to calculate the altitude based on the air pressure value.Learn PlanetX BME280 Environment Sensor