i am interested to get one after testing is finished. I want to use it as a switch with an reed contact to power on my board after the battery is connected and the hatch is closed.
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Yes, we are going to do the same.
We’ll put the DIY antipark in the battery case and activate it when the lid is closed.
Not sure what current will go through the “reed” switch when activating.
If it’s too much, the reed will stick (the metal can fuse together due to the contact arc).
The current through the switch is 5mA and limited to a soft startup current as well. But it is the full battery voltage, however that should be ok for most reed switches I think…
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That is so great that you did project!
I have built simply - mosfet + resistors divider, capacitor and a diode between 6s and 6s as a ramp up…
What was your main consideration to do precharge instead of ramp up?
What mosfet did you use? ( I am having hard time to find the one in the schematic)
What do you mean by ramp-up? slowly closing the FET you mean?
SP010N01