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screamer
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I have to make a portable water warmer for a college project. I have a warming strap that I have taken out from a MotherCare bottle warmer which use car ignition as a power source. It has a rating of 2A 12V. So I my idea is to use a battery to supply the strip and to use a 555 timer to make it on for a certain time and off for a certain time. So that I can prevent the warmer from getting too hot and also preventing it from cooling down too much. Also preserving the battery for longer. I intend to use a manual push switch to completely off the supply. So I would like to know if this is possible? Also some guidance and some schematics i can refer. I am fairly new to this and I have just 2 months to complete it. Hope to get some help. Thanks in advance.