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French engineer André Buhart has published the plans and open-source software to create a DIY "solar energy router" to manage PV overproduction. Depending on the configuration, the device can direct ...

It's easy to overspend on PC parts. Save money where you can, and buy one of these screwdriver sets that still gives you everything you need to build.

KitGuru takes you step-by-step through the basic process, from preparation to assembly and cabling. In subsequent programmes, ...