🐀 Can I Use 12V 1A For 12V 2A
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Firstoff - your idea isn't new and isn't bad actually. If I'm correct - I think Tesla also have Voltage boosters for their charging system. I actually remember somebody on Endless using one of these to boost their 36V battery to use on a 48V system - the issue with these is that it can't handle that high of amps and it starts losing efficiency as you get higher power.
Therecommend max power dissipation for the regulator is 1 Watt. With 12V into the regulator the max current is about 140 mA (1W / (12V - 5V)). The Arduino uses around 50ma of that leaving less than 90mA ( max) for everything else. I would use a buck converter to drop the 12V to 5V and connect that to the 5V on the Arduino, bypassing the, weak
Mycar battery gets dead if I don't use the car for 10 days or more. Is it possible to charge it using 12v 2A power supply of my dth set top box. ? EDIT: Just measured the voltages using DMM. Car battery=12.06 V and DTH Set Top Box suppy=12.43 V.
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can i use 12v 1a for 12v 2a