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Battery powered board
OpenMic Audio recorder I have a few of my ESP32 boards which are battery powered. The charging side itself is not too hard A TP4054 can char...
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This is an appeal for (sensible) comments. I am working on revised A&A tariffs for broadband. For those that are not sure how they wor...
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For many years I used a small stand-alone air-conditioning unit in my study (the box room in the house) and I even had a hole in the wall fo... -
Broadband services are a wonderful innovation of our time, using multiple frequency bands (hence the name) to carry signals over wires (us...
What's with the cones? Looks like a student let to me?
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