See A Resolution to Redefine SPI Signal Names for notes about alternative names. I also noted in Getting Started with Arduino that alternatives to male/female are pin/socket.
Deprecated master/slave signal names
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Monthly Archives: February 2026
Learning the Art of Electronics: 1L.5 The Diode | Learning Electronics In The Lab With Jay Jay
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Silly Job Title: Terminal Tactician. I am the Terminal Tactician!
In this video we continue to work our way through Learning the Art of Electronics. In this video we continue with 1L Lab: DC Circuits and test a 1N914 diode.
The circuit we build is this:
And the charts we make are these:
This demonstrates that as we increase the voltage into our diode the current increases exponentially.
We reverse the polarity of the diode to see what happens and we observe that only a very small leakage current of 0.4 µA flows.
We use the Riden RD6006 Bench Power Supply to supply 5V for our test circuit.
We use the EEVblog BM2257 Digital Multimeter to measure voltage.
We use the Fluke 17B+ Digital Multimeter to measure current.
We use the Carpenter Mechanical Pencil to make notes.
We use the Kaisi S-160 45x30cm Repair Mat as our workspace.
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p.s. today I added Riden, EEVblog, Kaisi, and Multimeter, to my spell check.
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Yum Cha 4K HDMI USB 3.0 HDMI To USB Adapter |
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Alessandro Volta
Today I read about Alessandro Volta who is the person the “volt” was named after. Volta achieved a number of things but the most famous of them is the Voltaic pile, the first battery.
Arduino Project Hub
Today I discovered Arduino Project Hub. There are over six thousand projects there!
Low Tech Sensors and Actuators
Today I discovered Low Tech Sensors and Actuators while reading Getting Started with Arduino. It’s a report about how to salvage electronics from cheap toys to make various types of systems which can interact with their environment.
How far back in time can you understand English?
My friend posted this on IRC today: How far back in time can you understand English?
Rainbow in the Blue Mountains
This photo from my mate’s place on the weekend.
Expanding glob pattern in bash
Today I learned: you can use Ctrl + x then g to ask bash to evaluate the glob on the current line. You need to configure it first with e.g.: bind '"\C-xg": glob-expand-word'
Reballing DDR3/4/5 RAM Is EASY
Regballing RAM is in my future.
How Boris Tane Uses Claude Code (hint: it’s Waterfall!)
In my feed today: How Boris Tane Uses Claude Code. He separates research, planning, and implementation phases, as he says: “Read deeply, write a plan, annotate the plan until it’s right, then let Claude execute the whole thing without stopping, checking types along the way.”
I might be the first to point out: this is Waterfall! Micro-waterfall?