Spark one of these dots or draw with powder or liquid to activate the QRTZ sensor.(may not work at long distance)
Comments
-
He made draw sensor, but mine detects pressure changes witch qrtz.I don't know how his sensor works, but this one is my own idea (i think,i haven't seen anything similar).
-
Hey, didn't Jacob1 make this?
-
thanks for my 2nd FP
-
Works also with cold solids (ICE, NICE, DRIC, RIME)