This very comprehensive electronics website has many projects with useful devices. This example project is a transistor curve tracer. Go to the index and look at the many, many links. It seems to be at the ETH in Switzerland but some of the words are in ?Thai? https://www.changpuak.ch/electronics/Curve_Tracer_advanced.php#
Posts Tagged ‘Switzerland’:
2023-09-02 Swiss Solar Panels In Train Tracks
Switzerland is rolling out solar panels between the rails of the train tracks. That’s a creative use of the otherwise unused space. But I wonder how they hook them up to the grid? Short YouTube video.
