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Control electromagnets over Arduino, making use of RFP30N06LE N-Channel MOSFET
/*
Control an electromagnet over Arduino, using an RFP30N06LE N-Channel MOSFET
Developed for Arduino Uno and the MOSFET Power Control Kit, COM-12959
Created 2018
by Robin van Emden
*/
int led = 13;
int mosfet_control = 10;
int tone_control = 8;
int key_press = 0;
void setup()
{
Serial.begin(9600); // Turn the Serial Protocol ON
pinMode(mosfet_control, OUTPUT); // Set control pins to be outputs
}
void loop()
{
if (Serial.available() > 0) // Check if keyboard input
{
key_press = Serial.read(); // Read input
Serial.print("Key:\t");
Serial.println(key_press);
Serial.println("done");
if (key_press == 49) { // if key press "1" ...
digitalWrite(led, HIGH); // Turn LED on on Arduino
for ( int x = 0; x < 10; x++ ) { // 10 pulses of 500 ms
analogWrite(mosfet_control, 255); // Full power
tone( tone_control, 1000, 500); // Beep for 500ms (while magnet on)
Serial.println("Magnets +++ on +++");
delay(500);
analogWrite(mosfet_control, 0); // Power off
Serial.println("Magnets --- off ---");
delay(500);
}
Serial.println("### ready ###");
digitalWrite(led, LOW); // Turn LED off on Arduino
}
}
}
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