All Products

SKU: AF-5383

This small, palm-sized battery power meter has a small display that shows off how much juice is left in your single Lithium Ion/Polymer rechargeable battery. The color display has four levels of power indication once battery capacity becomes 100%, 75%, 50%, and 25%. When power is below 25%, only ...

SKU: DF-DFR0446

In many applications, we will use lithium batteries as our power solutions. In this kind of application, the most two important things are the power boost and battery charger. These two points are a prerequisite for the system. The traditional power boost and battery charge circuit are usually d...

SKU: AF-259

This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-volta...

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: M5-K009-F

A wearable watch kit designed for the M5Stack Core series. This kit transforms an M5Core development board into a wrist-worn smart device, combining the full capabilities of the M5Core with a comfortable strap and integrated 700 mAh lithium battery for extended portable use. Key Features 700 m...

SKU: AF-5967 · MPN: ADA5967

The Adafruit Proto Tripler PiCowbell gives your Raspberry Pi Pico or Pico W three side-by-side socket slots — plug in your Pico and up to two PiCowbell accessories with no soldering or stacking headers required. It also includes LiPo battery charging, a power switch, reset button, STEMMA QT conne...

SKU: TB-XC4502

This compact TP4056-based module charges a single lithium cell from a 5V USB supply. With charge state LEDs and both mini-USB and solder tab inputs, it's an easy way to add rechargeable battery capability to your projects. Pair it with a DC-to-DC boost converter to create a device that runs on a...

SKU: DF-FIT0869

A 3S (3-series) battery protection module designed for connecting three 18650 or polymer lithium-ion cells in series to create a 12 V rechargeable battery pack. The board provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard your battery pack during charging ...

SKU: EC-RPA08821S

This speaker equipped with 360-degree sound field integrates a cone design with a custom-built speaker to project sound in all directions. It can offer deep and rich sound with HI-FI result for it comes with 1.4 subwoofers and the vacuum base. It is a new concept integrative portable mini speaker...

SKU: SF-DEV-21326 · MPN: DEV-21326

This compact MicroMod processor board adds an STM32F405 to a compatible MicroMod Carrier Board, giving your project an ARM® Cortex®-M4 32-bit RISC core in a small, swappable M.2 module.The bevelled edge connector keys into the MicroMod M.2 socket and is secured with the screw supplied with MicroM...

SKU: LB-LS2334

This USB-C powered Lithium Battery Charger Module is a great way to charge your rechargeable lithium batteries using the constant-current/constant-voltage (CC/CV) charging method.The module has an input voltage of 4.35-6V (recommended voltage 5V), and a maximum charging current output of 1000m...

SKU: SF-KIT-14051

The SparkFun Wireless Joystick Kit gives you a customisable wireless controller for XBee-based projects. Built around the SAMD21 microcontroller, it provides a flexible alternative to hobby RC transmitters — configure it your way at a fraction of the cost. The kit can be assembled in two configu...

SKU: AF-80

A high-quality 9V battery clip with a pre-assembled 5.5mm/2.1mm centre-positive barrel connector. The moulded plastic clip covers the battery terminals to prevent short circuits, and the barrel plug connects directly to Arduino boards and other devices with a standard DC barrel jack. Key Feature...

SKU: DF-DFR0208

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will wo...

SKU: WS-32408 · MPN: 32408

Bring Your Memories to Life with the ESP32-S3-PhotoPainter: The Ultimate E-Paper Photo Frame Introducing the ESP32-S3-PhotoPainter: a dazzling blend of art and technology designed to showcase your memories in vibrant color. This 7.3inch E6 Full Color E-Paper display, nestled within a classic soli...

SKU: WS-16562-ZERO-WH

The GamePi15 is a compact retro game console expansion designed specifically for the Raspberry Pi Zero series. Simply attach your Pi Zero to the board and you have a fully portable handheld console with built-in display, controls, speaker, and battery charging circuitry. This kit includes a Rasp...

SKU: LB-JSTBOARD

This E-textiles board is a breakout for a JST, so you can sew it onto a garment or use it in Paper Circuits! The JST breakout board can be easily sewn through the large holes. For paper circuits, simply apply copper tape on top of it.A wearable lithium polymer battery or wearable lipo also kno...

SKU: DF-DFR0969

A dual-slot 18650 battery holder with built-in charging and regulated power outputs, perfect for powering microcontrollers, sensors, and portable electronics projects. Simply install two 18650 lithium batteries and use the multiple 5V and 3.3V output ports to run your devices. The holder feature...

SKU: DF-FIT0169

A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics, vehicles, and outdoor installations where reliable voltage regulation is needed. Key Feature...

SKU: DF-DFR1202 · MPN: DFR1202

A high-efficiency DC-DC step-down (buck) converter that accepts 6–24 V input and delivers a stable 5 V output at up to 16 A. With over 90% conversion efficiency at typical loads and output ripple below 20 mV, it provides clean, reliable power for demanding applications. The module includes over-...