l298 get very hot with only 0.7a

Ubergeek63 · Dec 18, 2008

Willbe said:
Easy way to convert C to F or backwards, from a magazine article in the 70s. The first step is the opposite of the last and there are 3 steps.

1. Add 40 to either C or F
2. To go from C to F multiply by 9/5; otherwise by 5/9
3. Subtract 40.

What? There are only two steps: F to C is subtract 32 and multiply by 5/9

Willbe · Dec 20, 2008

digital thermometer

atntias said:
(i cant touch it for more then a second)

Below 36°C probably feels cool to the touch
no burn @42°C
burned in:
30 seconds @ 54°C,
5 sec. @ 60°C,
1 second @ 71°C.

Components with less heat capacity need higher temps to get the same effect.

l298 get very hot with only 0.7a

Ubergeek63

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Willbe

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l298 get very hot with only 0.7a

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