Project 2 - I'll have nightmares about gears now
I learned a lot about gear ratios (how to slow down you add small gear on motor and large gear on objects), gear teething, and the extreme importance of a set screw.
Project 3 - Code
Here is a copy of the fully integrated code: /* Use a photoresistor (or photocell) to turn on an LED in the dark More info and circuit schematic: http://www.ardumotive.com/how-to-use-a-photoresistor-en.html Dev: Michalis Vasilakis // Date: 8/6/2015 // www.ardumotive.com */ /* Fur Elise Connect a piezo buzzer or speaker to pin 11 or select a new pin. More songs available at https://github.com/robsoncouto/arduino-songs Robson Couto, 2019 */ #include <Servo.h> // Include the Servo library #define NOTE_B0 31 #define NOTE_C1 33 #define NOTE_CS1 35 #define NOTE_D1 37 #define NOTE_DS1 39 #define NOTE_E1 41 #define NOTE_F1 44 #define NOTE_FS1 46 #define NOTE_G1 49 #define NOTE_GS1 52 #define NOTE_A1 55 #define NOTE_AS1 58 #define NOTE_B1 62 #define NOTE_C2 65 #define NOTE_CS2 69 #define NOTE_D2 73 #define NOTE_DS2 78 #define NOTE_E2 82 #define NOTE_F2 87 #define NOTE_FS2 93
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