I hacked science calclator of sharp EL-509M to EL-520M.require at 30min. Tools 1.soldering iron.(resirables temp control) I use HAKKO FX-600.2.solder(resirables narrow than 0.8mm)[3.tweezers(light pressure and Lnose)4.ph0 +screwdriver5.soldering iron stand.6.soldering flux(I use good BS-75B) P...
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hidekichiContinue Reading »from Instructables: exploring - technology - robots http://ift.tt/1slxTH4
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