Digital Caliper Battery Cover Switch
Cheap digital calipers can be bought almost anywhere, they might not be as nice or accurate as Mitutoyo calipers, but if they're a good value, what's not to love? The battery life. These things drain the battery even when you press the off button. This instructable will show how to modify the batter...
By: vreinkymov
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By: vreinkymov
Continue Reading »
from Instructables: exploring - featured http://ift.tt/2kApsj5
via IFTTT