flowrc.co.uk/load_cell_stage_2.html http://dm.ncl.ac.uk/jaejunhwang/2014/04/20/digital-media-load-cell-ina-125p/ http://www.jamesyawn.net/electronicstand/amp/board2.html http://airtripper.com/1626/arduino-load-cell-circuit-sketch-for-calibration-test/ http://www.layadcircuits.com/tutorial.php?p=4 http://www.theorycircuit.com/how-to-connect-load-cell-to-arduino/ http://edg.uchicago.edu/tutorials/load_cell/