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I like creating electronics related YouTube videos. I mostly buy faulty gear from Ebay and make a repair video of it, but it's expensive and so with your help maybe I can continue to do so. Your support would be greatly appreciated.


Quick News.............

07/10/18 - Video Blog #038 updated with some photos of the app running in various modes.

01/07/18 - Donate to IanJohnston.com using PayPal here, or pledge a donation via Patreon here.

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Latest Articles.............

Video Blog #043 - Flir C2 Optical Modification

With MSX technology the Flir C2 is great, however, using it close-up the IR image and the optical images don't line up. I decided to 5 minute hack my C2 and get the images to converge better at very close distances, ideal for electronics use.
Date: 16/02/2019

Video Blog #042 - HP3457A Backlighting Mods

Unhappy with the lighting on the display of my HP 3457A I had the idea to add LED backlighting to the LCD.....which doesn't support backlighting without major surgery!
Date: 11/01/2019

Video Blog #041 - HP3457A DMM Repair & GPIB Software Overview

Purchased from Ebay as "doesn't power up", in this video I get to the bottom of the 'fault', fix it, and then give an overview of the GPIB software I wrote to use with it and other test instruments.
Date: 23/12/2018

Project #025 - GPIB Windows Software

Some time ago I messed with an Excel spreadsheet and some VBA macros to enable my Win10 PC to gather GPIB data and present it on a graph., it worked, but I do find it a little unreliable. I needed my own app!
Date: 25/11/2018

Video Blog #040 - New Ultrasonic Cleaner for PCB's

I needed a new, bigger Ultrasonic Cleaner for my PCB's so settled on an Allendale-Ultrasonics cleaner, and at the same time tried out a couple of different cleaning solutions.
Date: 11/11/2018

Video Blog #039 - Vonyx VMM-F401 4ch Mixer Quick Repair

I use this small 4ch mixer in the workshop to interface my microphone to my PC and speaker/amp setup but it developed a fault on the LED bargraph so I thought I'd attempt a quick repair.
Date: 13/10/2018

Video Blog #038 - Workshop Cooler/Heater Solution/Hack!

My workshop temperature can swing around quite wildly so it's time for a hack!
Date: 03/10/2018