Inside the new 2020 Airwick unit With 1 Volt microcontroller

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=4OC4U6FiJus

Between the weird microcontroller with integrated boost converter and a spectacularly complex 3D moulding, this humble air freshener is an education in cost optimisation. The grey moulding inside could be classed as art. • I thought this was going to be an easy video to make. Especially when I saw the minimalist PCB. But it had me puzzling for a while. I haven't a clue who makes that weird microcontroller. It's the first time I've seen one with a boost converter built in. • In hindsight the choice of the switching components may have been down to the drive voltage. The discrete transistors are getting a solid 5V gate current, but the positive pair can only be pulled down to near 0V from the battery supply which is between 1 and 1.5V, and that would be a very low gate current if it's a MOSFET. • If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- • http://www.bigclive.com/coffee.htm • This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.

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