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16 Jul 2026 » Assembling the new 3D printer enclosure frameIn the last post I was planning a replacement for my 3D printer enclosure’s frame - swapping the fibreglass rods and plastic corners that the cat had cracked for aluminium extrusion and metal corner brackets from ooznest.co.uk. The parts have now arrived, and it was time to build it.more… -
04 Jun 2026 » Discount on Learn Robotics Programming 3rd EditionThere is currently a 27% discount on the print edition of Learn Robotics Programming, 3rd Edition on Amazon.com.more… -
Tomorrow my book, Learn Robotics Programming, 3rd Edition, is published, and I am properly excited about this one.more… -
25 May 2026 » Tearing down a Coder Dojo Kingston University robotOur Coder Dojo at Kingston University runs a fleet of 11 Raspberry Pi RP2040 robots — a design that evolved from my Robotics at Home with Raspberry Pi Pico book. After a recent session, one robot came back needing repair: a sheared standoff and some wiring attention. I figured I’d document the design while I had it apart.more… -
28 Mar 2026 » How to Record audio with i2s on Raspberry Pi Pico
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08 Jul 2025 » Comparing anker power packs
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08 Apr 2025 » Robotics book featured in a Humble Bundle
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12 Feb 2025 » Announcing Learn Robotics Programming 3rd Edition
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12 Feb 2025 » Trying out Assemblies in FreeCAD 1.0.0
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12 Feb 2025 » Metric Dimensions for the RCWL-1601 Ultrasonic Sensor
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03 Jan 2025 » 2014 Attempt To Design A Custom Arduino Shield
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02 May 2024 » A retrospective on PiWars 2024 - Disaster Zone
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17 Apr 2024 » Pi Wars 2024 Robot Updates
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07 Apr 2024 » Piwars 2024 Disaster Zone Update - Nerf Turret
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28 Feb 2024 » The Pi Wars robot attachment plate comes together
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25 Feb 2024 » Pi Wars update - updating the attachment plate
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24 Feb 2024 » Debugging electronic circuits
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18 Feb 2024 » Progress update for PiWars 2024
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29 Jan 2024 » Piwars 2024 progress - a right angled USB cable
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28 Jan 2024 » Amusing vL53L5cx sensor issue
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27 Jan 2024 » Piwars Robot battery charging issues
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21 Jan 2024 » About the MPRemote command
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09 Jan 2024 » Strange Yukon power behaviour on Big Ole Yellow
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04 Jan 2024 » Dialling in my 3D printer for better prints
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03 Jan 2024 » Robot building fun this week
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11 Dec 2023 » A change of my viewpoint on wiring
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08 Dec 2023 » Having fun with the Pimoroni Yukon Board
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30 Nov 2023 » Robotics building - A month of learning the hard way
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21 Nov 2023 » Robotics touch sensors mimicking fingerprints
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21 Nov 2023 » Open Source Python Robotics Algorithms on GitHub
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12 Nov 2023 » Coder Dojo Robot Wall Avoiding
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22 Oct 2023 » TMF882x Distance Sensors
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22 Oct 2023 » Making a shim for the Pimoroni Explorer Hat Pro
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02 Oct 2023 » Are my robot recommendations expensive?
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29 Sep 2023 » Say Hello to the Raspberry Pi 5!
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09 Sep 2023 » PID experiments with an Arduino Nano and encoders
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04 Sep 2023 » How to get i2s playback with Raspberry Pi Pico
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29 Aug 2023 » Troubleshooting sensor positioning on a mobile robot
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24 Jun 2023 » Block Diagrams of Electronics for the Piwars 2024 Robot
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23 Jun 2023 » Piwars 2024 Robot Arduino Electronics
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21 Jun 2023 » Current state of the 2024 PiWars robot
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14 Jun 2023 » Specification card for my PiWars 2024 entry
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13 Jun 2023 » Making a PiWars 2024 Entry - The Entry Form
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07 Jun 2023 » Two MeArm Robot Arms Play Pass-the-parcel
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05 Jun 2023 » MeArm Robot Arm with Pico - Record and Playback
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02 May 2023 » Talk about my robots at Raspberry Pint
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14 Mar 2023 » Pi Day: Raspberry Pi on Pico Bot
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10 Mar 2023 » More Robotics at Home Chassis
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01 Mar 2023 » New robot building parts in the lab!
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28 Feb 2023 » Interview with Packt Publishing on my upcoming book
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26 Jan 2023 » Using multiple VL53L type sensors
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25 Jan 2023 » What I’ve been working on - tracebacks in CircuitPython
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16 Jan 2023 » Getting support for my robotics content
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27 Dec 2022 » Motion tracking workbench accessories
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27 Dec 2022 » MaixSense A010 Day 2 - Sipeed Support
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26 Dec 2022 » Maixsense A010 first impressions
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23 Dec 2022 » Debugging motion data
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20 Nov 2022 » 2022 battery choices update
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19 Nov 2022 » Battery Storage - simple divider
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02 Nov 2022 » Foam board joint experiments
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07 Aug 2022 » Bluefruit graphing - beware auto scaling
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27 Jul 2022 » Machine bolts supplied with parts
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10 Jul 2022 » Day two of Piwars Raspberry Pi Robotics Competition 2022
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20 May 2022 » Adafruit Airlift ESP32 NINA Firmware
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19 May 2022 » Learn Robotics Programming Second Edition errata - PuTTY
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08 Apr 2022 » Raspberry Pi Pico Wifi and Wireless
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08 Feb 2022 » Raspberry Pi Pico USB tip
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24 Jul 2021 » Freecad Assembly4 File Link
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15 Jun 2021 » Raspberry Pi Pico Wireless pack and Motors
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23 May 2021 » Foam Core Drawer Dividers
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15 Jan 2021 » Learn Robotics Programming second edition
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21 Apr 2020 » Piwars 2020 Robot design - The Roof Rack
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08 Dec 2019 » Piwars 2020 Designs
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01 Feb 2019 » Learn Robotics Programming On The Raspberry Pi 3a+
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18 Apr 2018 » Piwars 2018 Robot - Panic Sets In
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10 Apr 2018 » PiWars 2018 Build Journal - Choosing the display
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05 Apr 2018 » Pi Wars 2018 Robot - Visual processing interface design
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01 Apr 2018 » PiWars 2018 SkittleBot robot - getting the kids involved
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26 Feb 2018 » Piwars 2018 Robot Status update - the excavator chassis
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29 Dec 2017 » Printed Circuit Board
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13 Oct 2017 » Turning Skittlebot into a PiWars Robot
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28 May 2017 » Attaching a Joystick or 2 Analog Sensors to a Nodemcu
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14 May 2017 » My Raspberry Pi computer vision robot Skittlebot works!
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07 May 2017 » Skittlebot build journal, 7th May 2017
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24 Nov 2016 » Building a 4tronix UnoTron Robot
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24 Sep 2014 » Armbot Follow Up
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22 Sep 2014 » PyCon Uk 2014 and the Armbot
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01 Jun 2014 » Robot Stores
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27 May 2014 » About the Arduino
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09 Apr 2014 » The reality of electronics repair
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23 Dec 2013 » All Our Robots are User Serviceable!
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30 Nov 2013 » Bluetooth with the Orionrobots Orion Explorer 1 Robot
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28 Nov 2013 » Interesting new robots to play with
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14 Nov 2013 » The Explorer Wall Avoider Kit Now On the Shop
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23 May 2013 » Building a Bump Sensor For The Orion Explorer 1 Kits
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02 May 2013 » Electronics
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02 May 2013 » Robot Building Tips
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02 May 2013 » Modding Robots
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02 May 2013 » Tutorial Projects
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02 May 2013 » Robot Kits
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02 Apr 2013 » The Orion Explorer 1 Robot with Distance Sensors
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28 Mar 2013 » Why are we using AA batteries?
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10 Mar 2013 » The Sonar Rangers are coming
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14 Jul 2012 » DK Robot Warrior Kit
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21 Mar 2011 » A cute little Robot that finds beats
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12 Mar 2011 » Lego SpyBotics
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12 Mar 2011 » Robot Kits - Gifts For Kids Guide 2011
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22 Jan 2011 » Arduino tinkerings
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11 Nov 2010 » Lego RCX
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24 Dec 2009 » EEE PC Robot build
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25 Apr 2009 » Lego Manas
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25 Apr 2009 » Using External Power Sources With The RCX
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24 Apr 2009 » MindStorms
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14 Jul 2008 » Chloe and Shannon
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07 Jul 2008 » Storage Systems
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06 Jul 2008 » UK Micromouse 2008
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04 May 2008 » Broken Cybot Repairs
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27 Jan 2008 » Awesome Robot Hacked Together With Chumby and Gaffa Tape
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04 Jan 2008 » Rack And Pinion
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30 Dec 2007 » Robot Building Safety
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08 Sep 2007 » Engadget Underwater ROV Kit
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21 Jul 2007 » Lego Mechanical Gear Multiplexer
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14 Apr 2007 » Robot Locomotion
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08 Apr 2007 » NXT - Building the Arm
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17 Mar 2007 » Degrees Of Freedom
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03 Mar 2007 » Tri Star Wheels
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04 Feb 2007 » Robot Tools
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28 Jan 2007 » DC Motor
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28 Jan 2007 » soldering
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28 Jan 2007 » Salvage Tips
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28 Jan 2007 » Electronic Relay
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28 Jan 2007 » Stepper Motors
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28 Jan 2007 » SMT - Surface Mount Technology
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23 Jan 2007 » Lego Mindstorms NXT - The Ultrasonic Sensor Tutorial
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18 Jan 2007 » Lego mindstorms NXT - Extending Tribot with a grabber
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13 Jan 2007 » Getting Stuck into the Lego Mindstorms NXT
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10 Jan 2007 » OrionRobots gets our first NXT
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03 Jan 2007 » FIRST Robotic Competition
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10 Dec 2006 » Rubot II
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15 Sep 2006 » Budget Robotics
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31 Aug 2006 » The Pico Cricket - Education Robotics Controller
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23 Aug 2006 » PDA Suitable for use with Phidgets
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30 Jul 2006 » VEX based aerial photographs
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12 Jul 2006 » Interfacing an LED to an RCX Port
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10 Jul 2006 » Building A Battle Robot
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09 Jul 2006 » Pneumatic
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09 Jul 2006 » FischerTechnik
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09 Jul 2006 » RCX Switches can be used as analogue actuators
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30 Jun 2006 » Multitasking in Robots
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28 Jun 2006 » 2nd International LEGO MINDSTORMS Competition
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23 Jun 2006 » Microsoft Robotics Studio cool, but not quite there yet
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18 Jun 2006 » Beta C Programming Solution for NXT Announced
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26 May 2006 » Adder Subtractor Drive
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21 May 2006 » Building an External Power Supply for the NXT
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10 May 2006 » LEGO Factory
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31 Mar 2006 » Comparing the NXT Educational with the NXT retail packs
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21 Mar 2006 » MicroController
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06 Mar 2006 » I2C
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03 Mar 2006 » FLL - First lego League
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24 Feb 2006 » RIS - Robotic Invention System
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30 Jan 2006 » Gung Hei Fat Choi and Lego NXT developments!
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11 Jan 2006 » More NXT Information
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06 Jan 2006 » Lego unveils the next generation Mindstorms system
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04 Jan 2006 » OOPic
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01 Jan 2006 » Charmed Labs XPort 2
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19 Dec 2005 » About Danny Staple, AKA Orionr
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02 Dec 2005 » Diode
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01 Dec 2005 » Horse And Rider
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30 Nov 2005 » Headbots
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11 Oct 2005 » Modular Robot Design
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11 Oct 2005 » Hydraulic
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09 Oct 2005 » Single Acting Cylinder
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06 Oct 2005 » Deferred design
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06 Oct 2005 » End Effectors
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06 Oct 2005 » Robot Design
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03 Oct 2005 » Using The RCX With Stepper Motors
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15 Sep 2005 » Part Reuse
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11 Sep 2005 » Scrapheap Challenge
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10 Sep 2005 » Resistor
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10 Sep 2005 » LED - light Emitting Diode
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25 Aug 2005 » PWM - Pulse Width Modulation
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22 Aug 2005 » Retrieving Dropped Screws
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20 Aug 2005 » Damaged Screw Head
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03 Aug 2005 » Servo Motor
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03 Aug 2005 » Pistons
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03 Aug 2005 » Idea for an ooPIC based line follower robot
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29 Jul 2005 » Holding School Robot Battle Events
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01 Jul 2005 » Power Sources
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29 May 2005 » Helical
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28 May 2005 » WiFi
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28 May 2005 » RC - Remote Control
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04 May 2005 » Variable Resistor
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04 May 2005 » Pneumatic Lego Gripper
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02 May 2005 » Some robots from the club
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06 Apr 2005 » Round up of the Challenge on Saturday the 2nd April 2005
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01 Apr 2005 » Legs
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01 Apr 2005 » Last Meeting in East Finchley
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21 Mar 2005 » Meeting Log, and movies
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17 Mar 2005 » This weeks meeting
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25 Feb 2005 » PPRK - Palm Pilot Robot Kit
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08 Feb 2005 » Making a Pancake Flipping Robot
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27 Jan 2005 » DK Ultimate Robot Kit
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25 Jan 2005 » FreeForm
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18 Jan 2005 » Lego Pneumatic Specifications
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31 Dec 2004 » RoboBrix
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01 Dec 2004 » Solenoid
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30 Nov 2004 » Holonomic Drive
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16 Nov 2004 » Creating Custom Sensors For The Lego RCX
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16 Nov 2004 » Cardbot Challenge Details
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16 Nov 2004 » Hot Pluggable
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15 Nov 2004 » Lego Vision Command
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15 Nov 2004 » MicroSwitches
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14 Nov 2004 » Motor
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14 Nov 2004 » Torque
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14 Nov 2004 » Helical Gears
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14 Nov 2004 » Fixing a Broken Wire
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04 Aug 2002 » Lego Hexapod Design Mk1
