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The two components of the fishing rod were the casting mechanism and the box for the electronics housing. The casting mechanism is made up of 1/4" acrylic links connected with 6 mm bearings at the joints. Before the final laser cuts of the acrylic links were made, the prototype was cut out of 1/4" wood. The electronics housing is a jigsaw box of 1/4" wood with 3 of the 4 walls glued to each other to minimize the collapsibility, yet retain the ability to open the box and view the circuit. At the bottom of the electronics housing is a 3D printed attachment with an opening that allows for a weight to be inserted at the front.
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Software Development
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#include <Servo.h>
// Define Button Pins
#define BUTTON1_PIN 2
#define BUTTON2_PIN 4
#define BUTTON3_PIN 7
// Servo
Servo servo1;
int servoPos = 0;
const int maxServoPos = 180;
bool windingUp = false;
void setup() {
// initialize serial communications at 19200 bps:
Serial.begin(19200);
// Servo setup
servo1.attach(9); // Attaching the servo to pin 9
servo1.write(0); // Move servo to home position
// Button inputs
pinMode(BUTTON1_PIN, INPUT);
pinMode(BUTTON2_PIN, INPUT);
pinMode(BUTTON3_PIN, INPUT);
}
void loop() {
// Read button states
bool button1State = digitalRead(BUTTON1_PIN);
bool button2State = digitalRead(BUTTON2_PIN);
bool button3State = digitalRead(BUTTON3_PIN);
if (windingUp) {
// Check if the winding up condition should be terminated
if (!(button1State == HIGH && button2State == HIGH)) {
windingUp = false;
servoPos = 0;
servo1.write(servoPos); // Move servo to position 0 degrees when released
} else if (servoPos < maxServoPos) {
servoPos++;
servo1.write(servoPos);
delay(15); // Control the winding speed
}
} else {
// Condition for both buttons pressed simultaneously
if (button1State == HIGH && button2State == HIGH) {
windingUp = true;
} else if (button1State == HIGH) {
servo1.write(0); // Move servo to position 0 degrees
} else if (button2State == HIGH) {
servo1.write(66); // Move servo to position 66 degrees
} else if (button3State == HIGH) {
servo1.write(132); // Move servo to position 132 degrees
}
}
}
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