Editing Sun Tracker or Irrigation Timer to drive motors
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This is using two LEDs to sense the sun and send +- or -+ logic signals to a full bridge motor driver like L298 or http://www.redrok.com/led3xassm.htm LED3X schematic. I bought his. I recommend it. | This is using two LEDs to sense the sun and send +- or -+ logic signals to a full bridge motor driver like L298 or http://www.redrok.com/led3xassm.htm LED3X schematic. I bought his. I recommend it. | ||
− | I changed the front end logic to 4060 and 4011 ICs here, because I want to put the sun sensor separate from the controller board so it does not weather and die again, after 8 years of use. The circuit turns on a motor for 3 seconds once every 47 seconds to move the solar panels. You could use this circuit to turn on an irrigation motor for a very short time every several hours (just | + | I changed the front end logic to 4060 and 4011 ICs here, because I want to put the sun sensor separate from the controller board so it does not weather and die again, after 8 years of use. The circuit turns on a motor for 3 seconds once every 47 seconds to move the solar panels. You could use this circuit to turn on an irrigation motor for a very short time every several hours (just omit the sun sensor and select appropriate timing pins and much lower oscillation frequency for the 4060, since 3 seconds every 47 seconds is not long enough for irrigation). |
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[[File:Irrigation_Timer_Sun_Tracker_motor_driver.sch]] | [[File:Irrigation_Timer_Sun_Tracker_motor_driver.sch]] | ||
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[[File:DC_Solar_to_15vdc+trickle_charge.kicad_pcb]] | [[File:DC_Solar_to_15vdc+trickle_charge.kicad_pcb]] | ||
[[File:DC_Solar_to_15vdc+trickle_charge.sch]] | [[File:DC_Solar_to_15vdc+trickle_charge.sch]] | ||
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