That is, MOSFET?
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A MOSFET and a dual BJT for each half.
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So what is this? Redundant PS for RasPi in case one PS fails? What is your main use for this Raspberry Pi?
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This will be used as a 3G/4G VPN gateway for a server rack (for backup remote access). We have redundant UPSes so I figured why not.
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DIY. It's for redundant AC. I just implemented the same circuit used in the Pi itself:https://github.com/raspberrypi/hats/blob/master/zvd-circuit.png …
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that is freaking awesome! i am just getting into hardware stuff. do you have any references for electronic work like this?
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This particular circuit is the ideal diode circuit used in the Raspberry Pi itself:https://github.com/raspberrypi/hats/blob/master/zvd-circuit.png …
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Nice! Do you use MOSFETs for switching? Or how do you achieve the "0 volts"?
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Yes, it's a suitably driven MOSFET. The circuit I'm using is here:https://github.com/raspberrypi/hats/blob/master/zvd-circuit.png …
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