Solar Turret V 1.1
Improving Design 4 Learning More — ArduSerie #69
Hello, I now revisit the J3 turret solar tracker project relearning and reexamining the design features better.
I replaced the backup servo by this servo: S06NF STD. It has an actuating force 13 kg/cm and a Metal drive.
Now it is stronger than the previous one and I noted the pertinent observations at the end of this post and also the Pitfalls & Loopholes for your convenience :) Check it out!
Lab
Shopping List
Code
Schematics & PCB
Future Implementations
Pitfalls & Loopholes
NOTES:1 - In this version I used this servo as support: DAGU VA2 Aluminum Alloy Robot Arm Clamp w/ Two Metal Gear Motors for Arduino — Silver White + Black; 2 - Do not use the 9g servo as support of the other servo (as I did in the previous version); and do not rotate the servos manually; I did it and over the time the servo spoiled:/
3 - We need to fix the servo well in the protoboard; I used hot glue;4 - I tried to use CAT 5e Ethernet Cable, RJ45 Computer Network Cord, 24AWG +100% Copper Wire, 0.91m, Blue Color for ldr wiring; They are very thick so I change to these RJ11 Telefone Telefone Wire (see pic below);5 - I used a 12-volt half-ampere power cable supply to power the servos; see the video below; I connect the arduino in the usb and the power cable supply at the same time;6 - I did the Ldrs tests on the multimeter; the ldrs resistance ranges are between 0.5kΩ to 3.5kΩ; it is important to test them and be sure they are as homogeneous as possible;7- The configuration of the pins A1, A2, A3 and A4 require patience; if you look in the fritzing diagram you will see the exact distributions of how it worked for me; see that A1 and A2 are switched; test to find the right setting in your very own plant; 8 - I used a dark environment to avoid light's interferences in the tests, the ideal point is found by regulating the potentiometers of sensitivity and tolerance;9 - Notice that the components are lying down and next to the protoboard; during the tests the flap of the aparatus will disconnect the wirings; persevere, remember:/10 - When the device starts to follow the light is a delight sensation; try and enjoy yourself!
In the next step is to use Arduino Pro Mini;
I saved some photos of the project; If you're curious, take a look at the photos on my Google Drive.
Thank you for the visit and see you later :)
Video
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Reference And Credits:
Arduino Sun Tracker Turret © CC0
— Published @ Jan 2019 —
Look what’s coming? Solar Turret v2! Subscribe now!