All Products

SKU: DF-DFR0563

3.7V lithium batteries are commonly used in many projects. However, the remaining power and voltage of the lithium battery are highly nonlinear. We can only roughly judge whether the battery is full or almost empty according to its voltage. The Gravity I2C 3.7V Lithium Battery Fuel Gauge employs...

SKU: SF-WRL-24243 · MPN: WRL-24243

It's time to supercharge your next project with the SparkFun RA6M5 Thing Plus! Clocking in at 200MHz, the RA6M5 is a high-performance microcontroller from Renesas that is perfect for real-time applications. This translates to smooth responsiveness, lightning-fast data processing, and the ability ...

SKU: SF-WRL-25134 · MPN: WRL-25134

Build connected sensor nodes, data loggers and battery-powered IoT projects around Raspberry Pi’s RP2350 microcontroller. This Thing Plus board adds wireless connectivity, extra memory and the familiar Feather-compatible footprint in a compact development platform.The RP2350 can run two selected ...

SKU: SF-DEV-14008 · MPN: DEV-14008

This breakout board makes it easier to build a custom wireless controller for XBee-based projects, without relying on a standard hobby RC transmitter. It is designed for makers who want to choose their own control layout for robots, vehicles and other radio-controlled builds.The board includes an...

SKU: SF-WRL-24408 · MPN: WRL-24408

The SparkFun ESP32-S3 Thing Plus adds a powerful and versatile IoT development platform to the Thing Plus product line. It features the ESP32 WROOM-S3 MINI wireless module from espressif™. The ESP32 WROOM-S3 is built around an Xtensa® 32-bit LX7 processor with massive processing power that operat...

SKU: SF-TOL-20680 · MPN: TOL-20680

Keep an eye on your single-cell LiPo battery before your project suddenly runs out of power. This compact fuel gauge board sits in circuit with your battery and reports the relative state of charge using the MAX17043 fuel gauge IC.It combines a charge-estimation algorithm with direct A/D measurem...

SKU: AF-5345

The Adafruit ESP32-S2 Reverse TFT Feather places a 1.14" IPS colour TFT display (240×135 pixels, ST7789) on the back of the board, making it ideal for panel-mounted projects where the screen faces outward through an enclosure. Three user buttons (D0, D1, D2) alongside the display provide a comple...

SKU: SF-DEV-22924 · MPN: DEV-22924

The SparkFun ESP32-C6 Thing Plus is a compact, user-friendly device packed with advanced technology, designed to enhance your wireless projects like never before. It features the Espressif™ ESP32-C6 WROOM-1-N16 module at its core, which includes a RISC-V single-core processor, ample flash memory...

SKU: SF-PRT-12711

The SparkFun USB LiPoly Charger is a single-cell Li-Ion/Li-Polymer battery charging board based on the MCP73831T. It charges 3.7V LiPo cells at a selectable rate of 500 mA or 100 mA via a solder jumper, with power input from either USB or a barrel jack connector. The board includes a SYS OUT JST...

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: SF-PRT-10401

A simple single-cell LiPo/Li-Ion battery charger based on the MCP73831T charge controller IC. Connect a battery via the JST connector, plug in a Mini-USB cable for power, and the board handles charging automatically with a status LED to indicate progress. Key Features MCP73831T Charge Controll...

SKU: TB-SB2300

A 14500-size rechargeable lithium-ion battery with 800mAh capacity and 3.7V nominal voltage. The 14500 form factor is the same size as a standard AA battery, making it a common choice for LED torches and other compact devices that accept this cell type. This cell has a nipple (button-top) positiv...

SKU: AF-6091 · MPN: ADA6091

The Adafruit bq25185 Charger is a versatile LiPo/LiIon/LiFePO4 charging board that supports USB, DC, and solar power input. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, offering multi-chemistry support, adjustable charge rates, smart power path management, and near-MPPT so...

SKU: SF-PRT-14380

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the ma...

SKU: SF-DEV-19957

The SparkFun AzureWave Thing Plus is a Feather form-factor development board equipped with the AW-CU488. The module features the Realtek RTL8721DM integrated single-chip low-power dual-band (2.4GHz and 5GHz) wireless LAN communication controller. It also consists of a dual processor core: Rea...

SKU: SF-TOL-10829

This smart SMD tester is essentially a pair of multimeter tweezers. This allows you to troubleshoot circuits with small SMD parts without having to fumble with large probes or long wires. Test resistors, capacitors and diodes one-handed!Features:  Resistance Range: 300Ω/3KΩ/30KΩ/300KΩ ±(1.0%...

SKU: DF-DFR0571

This is a DC-DC buck-mode power module, with input voltage range 8V~28V and fixed output voltage/current 5V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion rate and small size, easy to embed.Besides, it has steady output voltage, which can work long time without voltage...

SKU: LB-JST-10

A 10-pack of JST-PH 2-pin SMT right-angle connectors. This is the standard connector used on single-cell LiPo and Li-Ion batteries, making it essential for any battery-powered project. The right-angle orientation and surface-mount pins keep wiring neat and low-profile. Compatible with JST-PH 2-p...

SKU: DF-FIT0611

This is a Li-ion Battery Holder specially designed for micro: bit educational robot Maqueen. It can be used to hold a CR123A 3.6V lithium rechargeable battery to provide more than 8 hours continuous power for Maqueen. Using this environment-friendly product, you can save about 200 batteries in on...

SKU: AF-4718

The Adafruit SPI Non-Volatile FRAM Breakout provides 2 Mbit (256 KBytes) of ferroelectric RAM (FRAM) storage over SPI. FRAM combines the non-volatile retention of flash with the instant read/write speed of SRAM — no page writes, no block erasing, and each byte can be written 10 trillion times wit...