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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My Arduino experimentation was put temporarily on hold by a Sierra hiking trip, but I had an idea.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Go out to the beach, scoop up a bucket of seawater. Failing that, make a bucket of simulated seawater with salt, just plain table salt and water. Get an old used Tesla battery pack, charge it to the max, submerge it in the seawater for an hour. Remove it, instrument the battery pack with thermocouples, have the Arduino take temperature measurements every 30 minutes, or if it has one of those nifty 256k onboard memory units, take a reading every 5 minutes.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Goal, see if there is any corrosion from the seawater that compromises the seal on those batteries. If so, the batteries will get warmer than their surroundings.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The test rig has to stay outside, far from anything flammable, such as inside your barbeque grill.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>spike<o:p></o:p></p></div></body></html>