I ordered an 8 GB Pi4 from them last Sunday (9 July) for $104 CDN plus tax and shipping. According to Canada Post's tracking, I will have it on Frida...

@zander, I tend to share your concerns. However, it's clear this isn't the whole package, and it's probably alpha or beta testing something bigger. We...

Has anyone done any amount of Python programming on an Arduino? I have been fooling around with an Arduino Nano on a Mac. I got the ubiquitous 'Blink'...

Every operating system I know of comes with a built-in calculator these days. Smartphones as well. This program was more of a chance to re-live my d...

Such as it is. My first "toe in the water" with Python programming: I have tested it on Debian-11 (on a Pi 4) and Ubuntu 22.04 with an Intel CPU...

Regarding your latest newsletter, Bill, I vote to keep going with the Raspberry Pi. As @dxj opines, this chip shortage is temporary. Many of us have a...

That's the plan, @will . . . the engineer I fired was my son, BTW. He went off and switched to applied math and hence his electrical engineering is r...

@tedbear I had too many circuits driven by a well heatsinked 7806. Combined, they drew up to 1.3 amps as things switched on and off. The heat sink w...

@will Thank you for the correct way to look at this. Being a stubborn fellow, I didn't give up. The EU and NA models of the electric kettle I was ...

Otherwise, I can build a Rube Goldberg machine. Rheostat to play with the 120 V in to lower it to 80-90 volts. Then feed that into the 120 --> 240 ...

The P = I * V one gets his walking papers! I knew there was more to this. No idea if the element is the same resistance. I think I'll give up on th...

Something to try if anyone does get one of these boards. - Paul VE1DX ## How to write an ISR (a 'callback' in Python speak) in Python 3.7.3 on...