Category: Personal

Wallet-sized Ontario COVID Vaccination Certificate (fixed)

I recently posted on how to make a wallet-sized version of the Ontario COVID vaccination certificate, but my original post contained incorrect code and so did not produce valid QR codes. This has now been fixed and the original post

Wallet-sized Ontario COVID Vaccination Certificate

The province of Ontario is now issuing COVID vaccinations certificates with QR codes on them, which you can carry with you to obtain admission to various public gathering places. You can also show the certificate on your phone, but having

Niagara Falls attractions—hits and misses

We just came home from an overnight trip to Niagara Falls. The Falls and river gorge are breathtaking sights in themselves, but you eventually tire of them and start looking for other activities. This weekend was also particularly hot, and

Replacing a defective light switch

A few years ago I installed improved lighting in my basement workshop. Recently I’d been noticing that the light switch sometimes made a “pop” or slight sparking noises when I switched it on or off. This seemed to be getting

Are ‘sign’ and ‘sine’ homophones?

At the dinner table last night the conversation wandered into homophones, and at one point ‘sine’ and ‘sign’ were offered as an example, to which I objected. I felt that they are (very subtly) different, but my family and, as

Making a phone adapter for a tripod

There are a couple of videos I’d like to record. My current camera is 14 years old; it still works fine, but its video quality is poor by modern standards, so until I decide to buy a new camera I

An Extended Drill Press Table

The table on my drill press is more or less a 12″/30cm square which is fine for drilling smaller objects but once the workpiece is large enough that its center of gravity is more than 6″/15cm from the hole you

A novel motorcycle air filter (not!)

We’ve had a week of beautiful warm (for November) weather here and I took advantage of this to take my motorcycle (a 1987 Kawasaki EX500) out on several rides. Unfortunately on the last ride the bike decided that it wouldn’t

4WD repairs on my 2013 Dodge Ram 2500

For a while now I’d been having trouble with the 4-wheel drive shifting on my Dodge Ram 2500 pickup truck. I would select to shift to 4-wheel drive, and the shift would start but never complete. At least once I

More workshop Tour: The Myford ML7 lathe

In addition to my Sherline mill, the other main machinist’s tool I have is a Myford ML7 7×20″ lathe. The lathe is fitted with the Quick-Change Gearbox to allow selection of longitudinal feeds and thread cutting without having to fool

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