LDR Array for Solar Tracker
Description
This Is A Simple Test Rig For A Little Solar Tracker I'M Building. Hence The Dummy Ldr I Uploaded Yesterday. Http://Www.Thingiverse.Com/Thing:858043 Analogue Pin A0 For Pair 1 & 2 Analogue Pin A1 For Pair 3 & 4 Test Pin 9 (Raise To High To Test) -Saves Power - Though Not Sure How Much(!) Gnd - Ldr1 - A0 - Ldr2 - +Ve(Pin9) Gnd - Ldr3 - A1 - Ldr4 - +Ve(Pin9) Two Sets Of 2 Ldrs Withwired In Series Between +Ve (Pin9 To High) And Gnd. Pin A0 Is Central To The Two Ldrs. Ldr Layout: 1 ! 4 - - - - - 3 ! 2 1 & 2 Is A Set, 3 & 4 Is A 2Nd Set. 1 & 3 Gnd; 2 & 4 +Ve (Or Check Pin) Choice Table: Case 1: A0 High A1 High Ma Right Case 2: A0 High A1 Low Mb Down Case 3: A0 Low A1 High Mb Up Case 4: A0 Low A1 Low Ma Left Other More Complex Cases: When Three Are Shaded Or Partially Shaded. Sorryy, This Is Random Tired Writing. I'M Turning In For The Night. Euring Andy Southern Aka Bath Robotics
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