USB-C Video Not Working? Which Ports, Cables and Devices Support It
A USB-C port only shows a picture if it supports video. Here is how to check your port, cable and device, and what to try when the screen stays black.
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9 min readSolar Security Cameras: How Much Sun Do They Need?
What makers say about the sun solar security cameras need, and NREL-based winter figures for panels facing south, east, west or north in five US cities.
Electronics
8 min readMatter Smart Locks Explained: What Works and What to Check
What a Matter smart lock is, how Wi-Fi and Thread differ, what Apple, Google and Alexa say about locks, and which claims to check before you buy.
Electronics
8 min readSD Card Speed Classes Explained: C10, U3, V30 and A2
What C10, U1, U3, V30 and A2 mean on an SD card, per the SD Association: minimum write speeds, bus speeds, app classes and which to match to…
Electronics
7 min readUSB-C Hub vs Docking Station: Which Do You Need?
A hub adds a few ports through one cable; a dock adds power, more ports and more displays. See the differences, Apple display limits and what to check.
Electronics
8 min readAR, XR and Smart Glasses Explained: What Each Type Does
AR, XR, display and AI glasses are overlapping terms. See the two main types, what each connects to, and the compatibility limits the makers state.
Electronics
9 min readSolar Generators Explained: How They Work and How to Size One
A solar generator is a power station plus panels. See how it works, real US sun-hour data for five cities, and how to size the panels and battery.
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CarPlay & Car Tech
Guides and explainers on CarPlay and in-car technology: what works with which vehicle, and what each option can and cannot…
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Guides and explainers on everyday electronics, including laptops, phones, displays and power: how they work, what the limits are and…
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