Chris – Chris Barr Builds

Easy Workbench Build

June 8, 2022 Chris Leave a comment

I recently moved into a new house, and wanted to put together a quick-and-easy garage workbench for DIY projects, home improvement tasks, and maybe some general woodworking. I decided to build rather than buy, as I thought I could put together something simple and sturdy to meet my requirements for

Backing up Game Console Saves

March 27, 2020 Chris One comment

An overview of methods for retrieving savedata from various game consoles.

EMAX TinyHawk S (Review & Modifications)

August 24, 2019 Chris 2 comments

I picked up an EMAX TinyHawk S micro quadcopter. I’ve had a quick play around with it, and I thought I’d share my thoughts – and a few small modifications I’ve made.

E3D Titan Extruder – Minimum Motor Size?

August 9, 2016 Chris One comment

When E3D announced their new Titan 3D printer extruder with 3:1 gearing, I was immediately curious as to how small a motor I could get away with using.

RUMBA+ vs RAMPS: A Thermal Analysis

July 21, 2016 Chris 3 comments

I recently got my hands on a FLIR One thermal camera, and I’d been dying for the opportunity to put it to use. I also recently received the first batch of RUMBA+ boards for testing, and I realised this was the perfect opportunity to test both.

VR GCode Viewer

June 22, 2016 Chris Leave a comment

3D Printing and Virtual Reality are two of my favourite emerging technologies. Recently I had some fun combining them!

3D Printer Error Detection (Part 2)

May 12, 2016 Chris 5 comments

I’ve been working on an encoder-driven system for error correction for a few months now. I posted a video last month, and after a much-appreciated post by Hackaday there was quite a bit of interest – so this is a follow-up post about the project.

3D Printer Error Detection (Part 1)

April 5, 2016 Chris 21 comments

I’ve been playing around with magnetic encoders a lot lately in the hopes of getting some sort of error-detection system up and running. I think I’ve finally made some headway on it.

IoT Doorbell Part 3 (OpenHAB and MQTT)

January 27, 2016 Chris Leave a comment

Last time I took apart my doorbell, added an ESP8266 and connected it so it could detect when the doorbell was ringing. But how should I communicate with the ESP8266, and what should I do with this data? I decided to explore the OpenHAB home automation software and came across

IoT Doorbell Part 2 (Feather HUZZAH / ESP8266)

January 15, 2016 Chris Leave a comment

Previously I discussed my intentions to smart-ify my doorbell – I want to know if I’ve missed a delivery while I’m out, and this seemed like a good way to go about it.