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  • Adafruit NeoPixel Ring - 16 x WS2812 5050 RGB LED with Integrated Drivers (ADA-NRING16)

    Adafruit NeoPixel Ring - 16 x WS2812 5050 RGB LEDs (Model #1463)

    Round and round and round they go! 16 ultra bright smart LED NeoPixels are arranged in a circle with 1.75" (44.5mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the colour will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim. Power the whole thing with 5VDC (4-7V works) and you're ready to rock.

    There is a single data line with a very timing-specific protocol. Since the protocol is very sensitive to timing, it requires a real-time microconroller such as an AVR, Arduino, PIC, mbed, etc. It cannot be used with a Linux-based microcomputer or interpreted microcontroller such as the netduino or Basic Stamp. Adafruit's wonderfully-written Neopixel library for Arduino supports these pixels! As it requires hand-tuned assembly it is only for AVR cores but others may have ported this chip driver code so please google around. An 8MHz or faster processor is required.

    Comes as a single ring with 16 individually addressable RGB LEDs assembled and tested.
    Add to Cart
    £7.00
  • Bit:Bot Robot for BBC Micro:Bit (BitBot for MicroBit) (BITBOT)
    Bit:Bot Fully Integrated Robot for the BBC Micro:Bit

    NB. BBC Micro:Bit is NOT included unless specifically selected with the checkbox

    This (almost) ready-assembled robot requires no soldering, no wires and nothing more than a screwdriver to complete it.

    The Bit:Bot fully engages children and adults alike, allowing you to explore and code the BBC Micro:Bit using any of the languages available (not all features are supported in all languages)

    Learn here how to control the Bit:Bot with your Bluetooth phone

     *NEW* There is now a Microsoft PXT package for Bit:Bot (thanks to Sten Roger Sandvik, @stenrs on Twitter). Go to the Advanced tab or the Tools gear icon and select Add Package, then search for BitBot
     

    Check out these features:
    • 2 micro-metal gear motors. Both fully controllable in software, for both speed (0 to 100%) and direction (forward or reverse)
    • Wheels with rubber tyres for maximum grip
    • Really smooth metal ball front caster
    • 12 mini neopixels in 2 sets of 6 along the arms either side. Select any colour for any pixel, produce stunning lighting effects as your Bit:Bot moves around
    • 2 digital line following sensors. Code your own line-following robots and race them to see whose code produces the fastest lap time!
    • 2 analog light sensors (front left and front right) so your Bit:Bot can be programmed to follow a light source such as a torch, or you could code it to go and hide in the darkest place it can find
    • Buzzer, so you can make beeping sounds whenever you want
    • Powered from integrated 3xAA battery holder with on/off switch and blue indicator LED
    • Easily plug your BBC micro:bit in and out using the edge connector
    • Extension port for addition neopixels (such as McRoboFace)
    • Expansion connections at the front for additional sensors (Ultrasonic rangefinder available now, more in development)
    Optionally, you can add an Ultrasonic Distance Sensor (rangefinder) module. The sensor can be either soldered to the module, or connected via a socket. No soldering is required for either version. The socketed version makes it easier to connect a micro-USB lead to the Micro:Bit, but the soldered version is more robust.

    See our detailed blog entry for example code snippets and application ideas
    Add to Cart
    £30.00
  • Small Metal Ball Caster (MQBALL)
    Small Metal Ball Caster

    This is a kit to make a small caster as used in Agobo, PicoBot and CrumbleBot

    The kit includes:
    • A 3/8" metal ball
    • 4 small bearings
    • White ABS housing
    • 2 x screws
    Total height of the assembly is 14mm

    Add to Cart
    £1.95
  • PiStep2 Dual/Quad Stepper Motor Control Board for Raspberry Pi (PISTEP2D/Q)

    Dual/Quad Stepper Motor Control Board for Raspberry Pi

    Fully Assembled - No Soldering Required

    Raspberry Pi Zero Form Factor - works with all versions of Raspberry Pi with 40pin GPIO connector

    Stepper motors (optional extra) and Raspberry Pi not included


    Available in either Dual (2 steppers) or Quad (4 steppers) versions

    Various Power Options:
    1. Powered from the Raspberry Pi 5V
    2. From the 2-pin Terminal (whatever voltage is required for the motors)
    3. Micro-USB - 5V only
    This neat little board plugs directly into the Raspberry Pi GPIO header and provides 2 or 4 connectors for our small stepper motors 28BYJ-48

    Pinout is simple:
    • Physical pins 11, 12, 13, 15 for Motor A (GPIO 17, 18, 27, 22)
    • Physical pins 16, 18, 22, 7 for Motor B (GPIO 23, 24, 25, 04)
    • Physical pins 33, 32, 31, 29 for Motor C (GPIO 13,12,6,5)
    • Physical Pins 38, 37, 36, 35 for Motor D (GPIO 20,26,16,19)
       

    Each pin has an associated white LED so you can see the stepper signals going through

    Power Supply Alternatives

    • Jumper VCC-VSTP (default). Power from the motors is taken from the Raspberry Pi 5V line
      • Micro-USB into Raspberry Pi. 5V for the Pi and the stepper motors goes through a poly-fuse which can trip if 2 motors are used simultaneously
      • Micro-USB into the PiStep board. 5V for both the Pi and the stepper motors is provided directly from the 5V USB input so no problems with 2 motors at once
    • Jumper VSTP-VIN. Power for the motors is provided from the 2-pin screw terminal, so can be any voltage that the steppers can handle. Ensure you use the correct polarity! We recommend to keep it below 12V. You will find that the stepper motors can go up to 9V and will be able to step faster, the higher the voltage that is applied, but there will be some deterioration of the life of the stepper motor at a higher voltage.



    Python Programming
    Please see the excellent example here for some pointers. You will need to change the pin numbers as above and also change the speed so it steps at a visible rate. You may also want to remove the print statements to speed it up. The lines in Red below are changed from the original to operate Motor A.

    # Use BCM GPIO references
    # instead of physical pin numbers
    GPIO.setmode(GPIO.BCM)

    # Define GPIO signals to use
    # Pins 18,22,24,26
    # GPIO24,GPIO25,GPIO8,GPIO7
    StepPins = [17,18,27,22]

    # Set all pins as output
    for pin in StepPins:
      print "Setup pins"
      GPIO.setup(pin,GPIO.OUT)
      GPIO.output(pin, False)

    # Define some settings
    StepCounter = 0
    WaitTime = 0.01



    ScratchGPIO Programming

    These pins are identical to those required by ScratchGPIO and therefore can easily be driven using simple Scratch commands:
    Set motor type for Scratch to be Stepper motor

    Set the position of the stepper motor A

    Set the speed of the stepper motor A


     
    Add to Cart
    £8.00
  • Wire Cutters and Strippers (TLWS01)
    A basic wire stripper and cutter for general hobby use:
    • Top Quality Material
    • Spring Return Handle
    • Tempered Steel Cutting Edge
    • Suitable for 10-30AWG Wire (0.5 - 4.0mm Wire)
    Add to Cart
    £3.95
  • 2 x AA Battery Holder with Switch and 2-Pin JST for MicroBit (BBOXMBIT)
    Battery Holder for Use with BBC Micro:Bit

    This enclosed holder for 2 x AA batteries comes with an on/off switch and 2-pin JST connector for plugging directly into the Micro:Bit. Ideal for simple use of Micro:Bit on the move
    Add to Cart
    £1.25
  • 2 x AA Battery Holder with 2-Pin JST for MicroBit (BBOXMBITA)
    Open Battery Holder for Use with BBC Micro:Bit

    This open holder for 2 x AA batteries comes with a 2-pin JST connector for plugging directly into the Micro:Bit. Ideal for simple use of Micro:Bit on the move.
    We also have a battery holder with on/off switch
    Add to Cart
    £1.00
  • Sewable Light Sensor with Battery Holder (KIT2721)

    This board allows LEDs to be turned on automatically when it is dark. On one side of the board is the coin cell holder, which takes a CR2032 coin cell as well as a small on/off slide switch. On the other side of the board is the light sensor. This design means that it is possible to cut a small hole in the front of the product for the light sensor to detect the light level, but be able to get to the back of the board to change the battery and turn the board off.

    When turned off,any connected LEDs will be off. When turned on the connected LEDs will be off in day light but come on in the dark. There are two sets of pads that can be used to connect LEDs to the board.

    The board measures 44 x 20 x 4.5 mm (excluding the light sensor, which is 2mm high).

    A PDF tutorial explaining how to use this board can be downloaded by clicking here
    Add to Cart
    £2.50
  • Basic Bundle for Raspberry Pi with NOOBS SD Card (RPI-BASN)
    Basic bundle comprises:
    • Raspberry Pi 2 Model B 1GB Made in UK
    • Official Raspberry Pi USB Power Supply
    • Official 2-Part easy clip plastic case
    • Fast, 8GB Class 10 SD Card pre-loaded with NOOBS
    • NOOBS allows you to select a number of operating systems and recover from a corrupt SD card easily
    • Operating systems available with NOOBS are:
      • Raspbian Wheezy (Recommended)
      • ArchLinux
      • Pidora
      • Riscos
      • OpenELEC (XBMC)
      • Raspbmc (XBMC)
    Add to Cart
    £43.55
  • Pan Tilt Kit for Pi2Go or Pi2Go-Lite and RPi Camera (PI2GO-PT)
    Pan & Tilt Assembly for Pi2Go or Pi2Go-Lite

    *Camera NOT included unless selected

    This is now produced in a snazzy RED colour PCB. Photos will be updated shortly...

    This kit supports both Version 1 and Version 2 of the Raspberry Pi Camera module

    NB. This kit requires some soldering to assemble. We offer a soldering service if selected

    Add a camera to your Pi2Go or Pi2Go-Lite with this easy-solder Kit. Build in three ways:
    • Fixed camera mount
    • Camera with Panning using 1 servo
    • Camera with both Pan and Tilt using 2 servos
    • Pan/Tilt supported in the Python library and ScratchGPIO

    Kit comprises:
    • Plates required to make any one of the three options
    • All screws required
    • Pillars to attach to the Pi2Go or Pi2Go-Lite
    • 200mm camera cable
    • 2 Tower Pro hobby servos. Choice of standard plastic gear SG90 or carbon fibre SG92R servos
    Software support for Pi2Go-Lite is provided in the Pi2Go python library and in ScratchGPIO
    The Pi2Go uses hardware servo control (better) which is supported in the Adafruit servo/PWM library

    See this link for instructions on assembling the kit:
    Add to Cart
    £12.50
  • Bit:2:Pi BBC Micro:Bit adaptor for Raspberry Pi Addons (Bit2Pi) (BIT2PI)
    Bit:2:Pi Allows the BBC Micro:Bit to Connect to Raspberry Pi Addon Boards

    NB. BBC Micro:Bit and Unicorn pHat are NOT included

    The Bit:2:Pi enables you to re-use all those hundreds of Raspberry Pi addon boards and HATs.

    Simply plug your Micro:Bit into the edge connector and the required Raspberry Pi Hat onto the GPIO connector, then program your Micro:Bit to control the new board. Most Raspberry Pi boards are very simple to program as they are controlled by simple on/off signals on the GPIO connector which are easily copied in the Micro:Bit. We have also used Neopixel hats (eg. Unicorn from Pimoroni) with great success and are happily communicating via I2C as well.

    Selecting which Micro:Bit pin is connected to which GPIO pin, is via a set of configurable jumpers. There is a default set of connections that works for the most common boards, including I2C and SPI connections, but it is a simple matter to unplug a jumper or two, and replace it with a longer wire jumper (4 included) to connect your preferred pins.

    Of course, the original code for the Raspberry Pi won't run directly on the micro:bit but with support from our community we will get more and more boards working and with example microbit code.

    Current boards tested are:
    4tronix: PlayHat, Picon Zero, PiStop, motor controllers
    Pimoroni: Pibrella, Unicorn pHat/HAT. Explorer, Enviro pHat, Blinkt, Scroll pHat

    This board is supplied in two versions, both fully soldered:
    1. Without battery holder
    2. Including 3xAA battery holder so you can run your Raspberry Pi addons without wires!

    Power is supplied to the board and the micro:bit via the micro-USB connector on the side, but there is also an option to add a battery holder to allow completely wire-free operation.

    More details on our blog
    Add to Cart
    £12.00
  • Edge Connector for BBC Micro:Bit (Microbit) (HDRMBIT)

    Edge Connector for BBC Micro:Bit

    The standard through-hole edge connector for use with the BBC Micro:Bit.
    The edge connector has 40 pins on either side at 1.27mm pitch, which translates to the 20 "actual" pins on the Micro:Bit

    This is the same connector used in our Bit:Bot, Robo:Bit and Bit:2:Pi products

    View PDF Datasheet here
    Add to Cart
    £1.80
  • Ultrasonic Distance Sensor for Bit:Bot (BitBot) (BITSON)
    Ultrasonic Distance Sensor for Bit:Bot

    NB. Bit:Bot not included

    Ready-Soldered, just attach to your Bit:Bot with the screws provided and off you go.

    Use Microsoft PXT (or MicroPython with some awkward code) to read the distance to an obstacle, then program your Bit:Bot to avoid it.

    Both Ping and Echo signals are on the same pin (Pin 15)

    This accessory is available in 2 flavours:
    1. With the ultrasonic sensor soldered directly to the PCB
    2. With a socket soldered on the PCB that you can plug the sensor into
    The sensor soldered into the PCB is much more robust and reliable, but has a big drawback in that you cannot access the micro-USB connector on the micro:bit unless you either remove the micro:bit or use a right-angled USB lead

    The socketed version allows most USB leads to access the micro:bit, but it isn't as robust.
    Add to Cart
    £3.00
  • Diffuser Kit for McRoboFace (MCDIFF)
    Diffuser Kit for McRoboFace

    This kit allows you to diffuse the lighting from McRoboFace while still being able to see the colours clearly. It comprises a 3mm piece of clear frosted acrylic together with spacers and screws to attach it to the McRoboFace

    Contents:
    • Diffuser plate
    • 3 x 3mm spacers
    • 3 x 10mm M2.5 nylon screws
    • 3 x M2.5 nuts
    *McRoboFace NOT included
    Add to Cart
    £1.25
  • Stickvise PCB Vise (PCB Vice) (STVISE)

    Are you still looking for that perfect PCB holder? The low profile PCB Stickvise might be just the thing you need!

    In performing the simple task of holding a PCB near table level, the Stickvise is great because your hands can rest directly on the table, allowing you to steady yourself with minimal effort for fine soldering and probing. The Stickvise also fits easily under a microscope and keeps PCBs consistently in focus.

    Set the width slightly smaller than the size of your work-piece, compress the spring, slide your PCB into place, and release the springs. Easy, fast, and repeatable.

    While the design is simple, it doesn't limit you and is totally hackable. The nylon jaws that come with the vise hold a PCB 5mm or so from the shaft, giving you clearance for most layouts. If you need something a little taller, there are 3D printable designs on the site for taller jaws, jaws with slots to keep cables out of the way, and even High Temperature PTFE Jaws.

    Features

    • Hold your PCB flat -- give your arms a rest! Stickvise is not up in the air, it holds your circuit board flat so you can solder with stability at table level.
    • Simple design -- No half baked features or gimmicks, Stickvise just holds a circuit board in a simple, intuitive way.
    • Hackable -- have a special application? 3D print custom jaw plates or choose from many more tested mods to make Stickvise work for your application.
    • Comes with one set of standard nylon jaws.
    Add to Cart
    £26.95
  • PTFE Jaws for Stickvise (STJAWS)

    Are you concerned that your smokin' hot soldering skills will set your project alight? There is no more need to fear the heat! These High-Temperature PTFE Jaws are a great hack for your PCB Stickvise, keeping your board safe from incineration.

    Made from Teflon, their main advantage is high temperature resistance. You can take a hot soldering iron and touch it directly to the jaw plates without leaving a mark. Neat! Or should we say... ~cool~

    Does not include PCB vice.

    Add to Cart
    £15.50
  • PlayGround for Raspberry Pi - Super Kit (PLAYPI-SUP)
    Playground for Raspberry Pi - Super Kit

    This is an exciting new way to use your Raspberry Pi with physical components, both digital and analog.
    The Playground for Pi addon board gives you 8 terminals that can be inputs or outputs. Using the growing collection of Gizmos you can create all sorts of inventions
    The Playground for Pi has a built in analog converter which you can easily use with ScratchGPIO or GPIO-zero and there are examples for each of the Gizmos.

    All Gizmos except the standard Motor Gizmo will work with the Playground for Pi.

    This Playground Super Kit is presented in a plastic case and includes:
    • Playground for Raspberry Pi (Raspberry Pi is not included)
    • 4 x Connection Cables 20cm
    • 1 x Connection Cable 50cm
    • 1 x Connection Cable 100cm
    • Analog Dial Gizmo
    • Light Sensor Gizmo
    • Buzzer Gizmo
    • Traffic Light Gizmo
    • Servo Gizmo
    • Touch Sensor Gizmo
    • 2 x Flame Gizmos
    • 1 x Blaze Gizmo or Fire Stick Gizmo (select as Option)
    See our blog for detailed usage and programming information


    Other Gizmos - Available now
    Many Gizmos are already available and more are on the way. Each Gizmo connects directly to the Playground with usually one connection cable (Traffic Lights uses 3 cables, one for each colour). As with our Crumbs, the Gizmos are colour coded:
    • Blue - Digital Input (eg. Button)
    • Yellow - Analog Input (eg. Dial)
    • Black - Digital Output (eg. Buzzer)
    • Red - Analog Output (eg. motors)
    • White - Smart pixels ("Sparkles")

    Here is a great video introducing Playground for Crumble. A similar approach can be taken with Playground for Pi

    Add to Cart
    £52.40
  • PlayGround for Raspberry Pi - Starter Kit (PLAYPI-ST)
    Playground for Raspberry Pi - Starter Kit

    This is an exciting new way to use your Raspberry Pi with physical components, both digital and analog.
    The Playground for Pi addon board gives you 8 terminals that can be inputs or outputs. Using the growing collection of Gizmos you can create all sorts of inventions
    The Playground for Pi has a built in analog converter which you can easily use with ScratchGPIO or GPIO-zero and there are examples for each of the Gizmos.

    All Gizmos except the standard Motor Gizmo will work with the Playground for Pi.

    This Starter Kit Includes:
    • Playground for Raspberry Pi (Raspberry Pi is not included)
    • 4 x Connection Cables
    • Traffic Light Gizmo
    • Dial Gizmo
    • Buzzer Gizmo
    • 2 x Flame Gizmos
    • Prototyping Gizmo
    See our blog for detailed usage and programming information


    Other Gizmos - Available now
    Many Gizmos are already available and more are on the way. Each Gizmo connects directly to the Playground with usually one connection cable (Traffic Lights uses 3 cables, one for each colour). As with our Crumbs, the Gizmos are colour coded:
    • Blue - Digital Input (eg. Button)
    • Yellow - Analog Input (eg. Dial)
    • Black - Digital Output (eg. Buzzer)
    • Red - Analog Output (eg. motors)
    • White - Smart pixels ("Sparkles")

    Here is a great video introducing Playground for Crumble. A similar approach can be taken with Playground for Pi

    Add to Cart
    £28.50
  • PlayGround for Raspberry Pi (PLAYPI)
    Playground for Raspberry Pi

    The latest addition to our popular Playground system is this addon board for the Raspberry Pi (all 40-pin versions).
    This allows you to connect to all the existing Gizmos (except the Motor Gizxmo) using a simply stereo 3.5mm jack cable.

    * Gizmos and cables not included, but we also have starter kits available

    See our blog for detailed usage and programming information

    Features:
    • Plugs directly onto your Raspberry Pi (all versions with a 40-pin GPIO header)
    • This board is mechanically a HAT, but doesn't have the EEROM so cannot be called a HAT
    • Blue power indicator LED
    • Robust design allows you to short the outputs with damaging the Pi (or affecting it in any way)
    • Provides 8 ports that can be analog input, digital Input or digital output
    • Each connector includes the signal as well as power and ground
    • Fast and easy to connect

    Gizmos
    Many Gizmos are already available and more are on the way. Each Gizmo connects directly to the Playground with usually one connection cable (Traffic Lights uses 3 cables, one for each colour). As with our Crumbs, the Gizmos are colour coded:
    • Blue - Digital Input (eg. Button)
    • Yellow - Analog Input (eg. Dial)
    • Black - Digital Output (eg. Buzzer)
    • Red - Analog Output (eg. motors)
    • White - Smart pixels ("Sparkles")

    Here is a great video introducing Playground for Crumble

    Add to Cart
    £12.00
  • Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface - PCA9685 (#815)
    You want to make a cool robot, maybe a hexapod walker, or maybe just a piece of art with a lot of moving parts. Or maybe you want to drive a lot of LEDs with precise PWM output. Then you realize that your microcontroller has a limited number of PWM outputs! What now? You could give up OR you could just get this handy PWM and Servo driver breakout.

    When we saw this chip, we quickly realized what an excellent add-on this would be. Using only two pins, control 16 free-running PWM outputs! You can even chain up 62 breakouts to control up to 992 PWM outputs (which we would really like to see since it would be glorious)
    • It's an i2c-controlled PWM driver with a built in clock. That means that, unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller, its completely free running!
    • It is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)
    • 6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs - that's a lot of servos or LEDs
    • Adjustable frequency PWM up to about 1.6 KHz
    • 12-bit resolution for each output - for servos, that means about 4us resolution at 60Hz update rate
    • Configurable push-pull or open-drain output
    • Output enable pin to quickly disable all the outputs
    We wrapped up this lovely chip into a breakout board with a couple nice extras
    • Terminal block for power input (or you can use the 0.1" breakouts on the side)
    • Reverse polarity protection on the terminal block input
    • Green power-good LED
    • 3 pin connectors in groups of 4 so you can plug in 16 servos at once (Servo plugs are slightly wider than 0.1" so you can only stack 4 next to each other on 0.1" header
    • "Chain-able" design
    • A spot to place a big capacitor on the V+ line (in case you need it)
    • 220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial
    • Solder jumpers for the 6 address select pins
    This product comes with a fully tested and assembled breakout as well as 4 pieces of 3x4 male straight header (for servo/LED plugs), a 2-pin terminal block (for power) and a piece of 6-pin 0.1" header (to plug into a breadboard). A little light soldering will be required to assemble and customize the board by attaching the desired headers but it is a 15 minute task that even a beginner can do.
    Add to Cart
    £11.20
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