Practical Electronics № 9 2026

Read in the issue 9 Practical Electronics 2026

Home Automation Satellite by Richard Palmer.
In a home automation system, a satellite is a device that can carry one or more sensors, displays, relays or LEDs to be controlled by the system. This DIY satellite is straightforward to build and can be fully controlled using HomeAssistant.

Mic the Mouse by John Clarke.
Mice make good pets but you still have to take care of them. This little critter doesn’t eat much (just the occasional lithium cell) and won’t make a mess or escape from its cage. Mic is great for playing pranks on friends and family, too.

USB-C Power Monitor, part two by Tim Blythman.
This compact device lets you monitor the voltage, current, power and energy supplied
to a USB-C device. The first article last month primarily covered the circuit details and
operation. Now we’ll describe the construction and usage of this handy tool.



English | 84 pages | True PDF | 15.7 MB

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