#356 Save Energy by automating your 3D-printer (Raspberry safe shutdown, OctoPrint, Sonoff)

From a channel Lumen includes in full: Andreas Spiess, a Swiss engineer ('the guy with the Swiss accent'), tests and explains microcontrollers, LoRa, radio, home automation and solar systems with measurements and honest comparisons.

A 16-minute video from Andreas Spiess's catalogue; the title names its topic.

Video by Andreas Spiess, played through YouTube's embedded player.