/diy/ - Do It Yourself

Anonymous Fri Nov 30 04:58:06 2018 No.1506414 [View]
File: 73 KB, 1442x620, dear.png [View same] [iqdb] [saucenao] [google]

>>1506412
Oh and a normal regulator doesn't seem to shunt the input voltage to ground if it gets too high, so either just use a zener or use a zener before the LDO to clip the voltage. I wouldn't recommend just running an MCU off a zener without an LDO, but it wouldn't be the end of the world.

Pic related looks to work fine on 240VAC up to 5mA output, and even at that it goes though bugger-all power. The 100µF cap could probably be smaller too.

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/diy/ - Do It Yourself

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