Tuesday, October 18, 2011

Hack your Defective bosch screwdriver

Often it is just a NiCd cell is defective. New NiCd or NiMH cells can be purchased on eBay or the co.uk fore peanuts. Alternative, a scrapped computer Labtop Li ion battery do wonders ;)

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Here is the battery pack, the next will happen now is to create a sensor that shuts off the battery by Vlow, so the battery does not take permanent damage. Li Ion batteries do not tolerate deep discharge.

http://www.electronics-lab.com/articles/Li_Ion_reconstruct/

Furthermore a voltage regulator must be used as the voltage exceeds14.4 volts and the DC motor will burn out quick.

So lets go to the Diy Li Ion and LiPo Under voltage detector and regulator schematic and project post




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