Arduino debug simple setup
$2-8 USD / hour
The problem: The solonoid valve does not turn off. The voltage on mosfet module output goes from 4.2 V to 4.8 V when motion is detected. It does not goes to 0V and thereby closes the valve.
What have i done wrong?
I have a simple setup:
- Pir sensor AM312
- Nodemcu /ESP (powered by usb)
- Mosfet module IRF520
- Solonoid valve 4.5V
- External power supply connected to Mosfet 5V, 1A
I'm using the following code:
const int pirPin = D5; // PIR sensor pin
const int mosfetPin = D6; // Connect to the IN/Input terminal on the MOSFET module
void setup() {
[login to view URL](115200);
pinMode(pirPin, INPUT);
pinMode(mosfetPin, OUTPUT);
[login to view URL]("PIR Motion Sensor with Solenoid Valve Control");
}
void loop() {
int motionDetected = digitalRead(pirPin);
if (motionDetected == HIGH) {
[login to view URL]("Motion Detected - Activating Solenoid");
digitalWrite(mosfetPin, HIGH); // Send signal to the MOSFET module to activate the solenoid
delay(2000); // Keep solenoid active for 2 seconds
digitalWrite(mosfetPin, LOW); // Deactivate the solenoid
} else {
[login to view URL]("No Motion Detected");
}
delay(10000); // Wait for 10 seconds before rechecking
}
Project ID: #38015830
About the project
8 freelancers are bidding on average $6/hour for this job
I need 5 hours time and one or two meeting with you so that you can try out my suggestions. Regards Brejah
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