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Bubble:bit micro:bit Construction Kit
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Build it, code it, and it blows soap bubbles. Bubble:bit is a plywood-framed machine driven by a micro:bit - a servo dips the wand, a propeller pushes air through it, and an LED lights the result.A micro:bit is required and is not included - one board per kit. We stock micro:bit boards separately...
Buck/Boost Converter - 8-40V to 12V/3A
An industrial-grade DC buck-boost converter that accepts 8–40V input and delivers a regulated 12V output at up to 3A (36W). Ideal for battery-powered systems where input voltage varies — such as SLA or LiFePO4 batteries powering routers, Wi-Fi equipment, or other 12V loads — this module automatic...
Buck-Boost DC/DC Converter 8-36V to 12V 6A
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When your system needs a stable 12V rail from a variable DC supply, this industrial-grade buck-boost converter is built to deliver. It accepts a wide 8 to 36VDC input range and regulates it to 12V for loads up to 6A, or 72W.The buck-boost design automatically switches between stepping voltage dow...
Buck Converter - 6-20V to 5V/3A
This is a high grade DC Buck converter that inputs 6 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC block is perfect for battery applications (such as SLAs or LFPs) that need to power a USB or 5V device even while the input is varying (battery charge/...
Budget Pack for Raspberry Pi 4 (Doesn't include Raspberry Pi)
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Gotta say - this Pi 4 is fly. All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories.We've hand-selected these accessories as the perfect accompaniment to your new Raspberry Pi 4 - Model B. It's everything you need...
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 ...
Building Block Motor
The Building Block Motor is a continuous-rotation motor designed for use with building block construction sets. It's ideal for projects that need powered movement, such as car wheels, Ferris wheels, and other motorised mechanisms. Pair it with a compatible controller board and building blocks to...
Built-in Spring GSM Antenna
This is a small built-in spring GSM antenna with IPX connector. Its working frequency is 900/1800 MHz which meets most requirements of GSM applications. Its very compact size makes it easy to carry and use. Compatible With: SIM 908 GPS/GPRS/GSM Shield For Arduino SIM800H GPRS IO...
Bulk 10K Resistors - 100 pack
Commonly used in breadboards and other prototyping applications, these 10K ohm resistors make excellent pull-ups, pull-downs and current limiters. These thick-lead versions of the resistors fit snugly into a breadboard with very little movement, so you should have few to no issues using them in ...
Bulk 10 x Breadboard - Mini Modular (White)
This white Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be sna...
Bulk 220ohm Resistors - 500 pack
These are your run-of-the-mill 1/4 Watt 5-band resistors. Commonly used in breadboards and other prototyping applications, these 220 ohm resistors make excellent LED current limiters and are great for general use. These thick-lead versions of the resistors fit snugly into a breadboard wi...
Bulk 330ohm Resistors - 500 pack
These are your run-of-the-mill 1/4 Watt 5-band resistors. Commonly used in breadboards and other prototyping applications, these 330 ohm resistors make excellent LED current limiters and are great for general use. These thick-lead versions of the resistors fit snugly into a breadboard wi...
Bulk 47ohm Resistors - 500 pack
These are your run-of-the-mill 1/4 Watt 5-band resistors. Commonly used in breadboards and other prototyping applications, these 47 ohm resistors are great for general use. These thick-lead versions of the resistors fit snugly into a breadboard with very little movement, so you should have ...
Bulk 9 Gram Servo - 10 pack
A bulk pack of ten 9-gram micro servos — an affordable way to stock up for robotics, mechatronics, and RC projects. Each servo includes a ~25cm cable with a standard 3-pin female header, plus a full set of horn and screw accessories. These compact servos deliver 1.6 kg/cm of torque at 6.0V with ...
Bulk Alligator Test Leads - 10 x 10 Pack (100 in total)
Alligator clips (or Crocodile clips, if you prefer) are likely to be the most useful thing on your workbench besides the workbench itself.This is a bulk pack of 10 lots with 10 in each = 100 in total! Whether you’re just trying to make a few quick connections to test your circuit or having tr...
Bulk BBC micro:bit v2.21 - 300 Pack
A bulk pack of 300 BBC micro:bit V2.2 boards, ideal for schools, makerspaces, and institutions rolling out coding and STEM programmes at scale. Each micro:bit is individually packaged for easy distribution in classrooms and workshops. The micro:bit V2.2 features a built-in speaker, microphone, c...
Bulk CR2032 Button Cell Battery - 10 Pack
Running a Paper Circuits Class or need lots of batteries for E-Textiles and Wearables? This is our best-priced Coin Cell Battery.CR2032 Button Cell Battery - Great for use with the Lilypad Switch Battery Holder. These batteries are also used with many paper circuit kits.Please note - ...
Bulkhead - Black - 65 x 38 x 27mm
4 cases in the range. The two smaller sizes have moulded in square cable entries on each end, and holes for screw bolts to mount the case. Specifications Width 65mm Height 27mm ...
Bulk LDR Photoresistor - 10 pack
Description This Light Dependant Resistor (LDR) can be used to easily measure ambient light with your Arduino or other board with analog input. You will need to set this up as a voltage divider with a resistor of around 10KΩ. Specification:Maximum voltage: 150V, DCMaximum wattage: 90mWO...
Bulk RGB LEDs 10mm x 250
A bulk pack of 250 through-hole RGB LEDs in a 10 mm clear epoxy package. Common cathode configuration with individually addressable red, green, and blue elements for full-colour mixing. Specifications LED Size – 10 mm, clear epoxy lens Configuration – Common cathode Forward Voltage (R / G / ...
