I designed this program (project leader: Jacob Martin, BSc (Hons), MSc Chemistry, Photon Factory: photonfactory.auckland.ac.nz, Blog: nznano.blogspot.co.nz) for an Arduino Seeeduino Stalker v2.3 to test for conductivity every hour and interrupts and put to sleep in between, to save battery. All data is written onto an SD card. Battery status is also logged in a separate file. … Continue reading PROGRAMMING