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Showing 21-40 of 50 products · 10 unavailable products hidden
2x2 AA Battery Holder with Premium Jumper Header Wires
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This compact 2×2 AA battery holder connects four AA batteries in series, providing a nominal 6 V DC output (alkaline) or 4.8 V DC (rechargeable NiMH). The premium jumper header wires plug directly into a breadboard — no stripping or soldering required for prototyping. The square 2×2 configuratio...
6xAA Battery Holder(double layer)
A double-layer 6×AA battery holder with a stacked 3+3 cell arrangement for a more compact footprint. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Comes with 150mm (6") red and black wire leads. Specifications Cell Quantity: 6× AA (double layer...
2xAA Battery Holder With ON/OFF Switch and Cover for Micro:bit Board
A 2×AA battery holder designed specifically for the BBC micro:bit. The built-in JST PH connector plugs directly into the micro:bit's battery socket, and the integrated on/off switch with a secure cover provides safe, convenient power control. Key Features micro:bit Compatible – JST PH connecto...
Light and temperature data-logger pack
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This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included photocell and TMP36 temperature sensor provide light level and temperature measu...
6xAA Battery Holder with DC2.1 Power Jack
A 6×AA battery holder with a DC 2.1mm power jack that plugs directly into an Arduino's barrel jack input. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Features mounting holes for secure installation. Specifications Cell Quantity: 6× AA Output...
Hummingbird Battery Pack
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A 4 x AA battery holder with an on-off switch, made to power the motor supply on a Hummingbird controller. Use it when a student build needs to drive around the room instead of staying tethered to a USB lead. Works with both the Hummingbird Bit and the Hummingbird Duo. Batteries are not included ...
Building Block Expansion Board for micro:bit & UNIHIKER K10
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This expansion board turns a micro:bit or UNIHIKER K10 into a cable-free robotics controller for mobile builds. It provides onboard power from a user-replaceable 18650 cell slot and breaks out motor, servo, Gravity IO and I2C connections for adding sensors, displays, AI cameras and actuators.The ...
6xAA battery holder
A 6×AA battery holder with bare wire leads for creating 7.2V rechargeable battery packs (NiMH/NiCd) or 9V packs from alkaline cells. The holder features side-by-side cell placement and comes with 150mm red and black wires for easy connection. Specifications Cell Quantity: 6× AA Output Voltage...
DFRobot DFR1216 Expansion Board for UNIHIKER M10/K10 & micro:bit
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This multi-function expansion board adds power, I/O and drive capability to UNIHIKER M10/K10 and micro:bit projects. It is designed for mobile robots, portable interactive builds and maker projects that need more connectivity than the main controller can provide on its own.The board expands your ...
ItsyBitsy ESP32 PCB Antenna - 8MB Flash / 2MB PSRAM
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This compact wireless development board gives you a full-featured ESP32 platform in the familiar ItsyBitsy format. It uses the ESP32 PICO ECO V3 in an FCC-certified ESP32 Pico module, combining a dual-core 240MHz processor with 2.4GHz Wi-Fi, Bluetooth® Classic and BLE, plus 8 MB of Flash and 2 MB...
Battery Holder 3xAA with Cover and Switch
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project.The leads are about 150mm...
LG290P Quadband GNSS RTK Breakout (Qwiic)
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Built around the Quectel LG290P, this compact RTK GNSS breakout is designed for high-precision positioning projects that need quad-band, multi-constellation reception. It follows the same board dimensions, pin layout and connectors as SparkFun’s GPS-RTK-SMA Breakout - ZED-F9P (Qwiic), making it a...
2 x 18650 Battery Holder with DC 2.1mm Jack
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This battery holder takes two 18650 lithium cells and connects them internally in series for a standard 7.4 V output. It is a simple way to power electronics projects from common 18650 cells, such as those used in laptop battery packs and power banks.The holder includes a DC 2.1 power jack, makin...
Line Following Buggy for the BBC micro:bit
The Line Following Buggy with :MOVE line following board for the BBC microbit is the newest version of our very popular line following buggy. It offers a significant upgrade in the form of our new :MOVE line following board. Not only does it provide far superior line following it also makes th...
5M Flexible el wire with battery holder 5mm - Red
A 5-metre length of flexible red EL wire (electroluminescent wire) complete with a battery-powered inverter. EL wire produces a bright, even glow along its entire length – perfect for costumes, props, signage, and decorative lighting. Unlike LED strips, EL wire is truly flexible and can be bent,...
4xAA battery holder (square with cover)
A 4-cell AA battery holder in a square (2×2) configuration with a sliding removable cover and a built-in ON/OFF switch. Features 5-inch tinned leads for easy soldering. The cover keeps batteries secure, and the switch provides convenient power control without disconnecting wires. Specifications ...
JST Breakout for E-Textiles and Paper Circuits
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...
Battery Holder 3xAA with Cover and Switch - JST Connector
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover as well as an ON/OFF switch that can be used to control power to your project. The 6" (~150mm) cable has been terminated with a JST connector. Note: Please keep in...
UNIHIKER K10 + M10 AI & IoT Learning Kit
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This UNIHIKER bundle pairs the K10 and M10 to support a progression from first AI experiments through to more advanced IoT and Python projects. The K10 is aimed at entry-level AI learning with pre-installed vision models and TinyML capability, while the M10 adds more processing power, Debian, and...
5M Flexible el wire with battery holder 5mm - Blue
This 5-metre length of EL wire (electroluminescent wire) glows a vibrant blue when powered by the included battery-operated inverter. EL wire is a flexible, phosphor-coated wire that produces a cool, even glow similar to neon tubing — but remains cold to the touch and can be bent, shaped, and wra...
