[OpenTRV-dev] OT: Charge battery
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Wed May 14 21:17:59 BST 2014
could voltage be done with a n-channel mosfet and the pwm output pins?
if so what abour controlling the current?
From: Bo Herrmannsen
Sent: Wednesday, May 14, 2014 9:55 PM
To: Closed list for developer discussions
Subject: OT: Charge battery
i have a few LCD’s and some other bits arround i want to put together to make an charger / discharger controlled by and arduino
dis charging is easy enough.... and the math to do it also
but how about charging... i would like to both be able to regulate voltage and current... depending on what type of battery i have connected...
i plan to have the supply voltage at 18-20V to cover most needs... if not i rip that old 18amp car battery charger and use the trafo in that one...
anyways what is the simple way to control voltage ? and how would i do current ?
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