So I think I know how to wire this up, just not sure where to put the TOF10120 pins in this sketch. I want to use these sensors to trigger the sketch
Here is what I got off of Google code generator thing...
Any help would be greatly appreciated. Thank you in advance.
Certainly! Below is an Arduino code that uses two TOF10120 sensors to control a model railroad crossing gate with an SG90 servo motor and two flashing LEDs. The LEDs will flash when the first sensor is triggered, and the gate will lower after 3 seconds. The LEDs will continue to flash until the second sensor is triggered, after which the gate will rise after a 30-second delay, and the LEDs will stop flashing.
#include <Wire.h>
#include <Servo.h>
#define TOF1_ADDR 0x52 // Address of the first TOF10120 sensor
#define TOF2_ADDR 0x53 // Address of the second TOF10120 sensor
#define LED1_PIN 8
#define LED2_PIN 9
#define SERVO_PIN 10
Servo gateServo;
bool gateLowered = false;
void setup() {
Wire.begin();
pinMode(LED1_PIN, OUTPUT);
pinMode(LED2_PIN, OUTPUT);
gateServo.attach(SERVO_PIN);
gateServo.write(90); // Initial position (gate up)
}
void loop() {
if (isSensorTriggered(TOF1_ADDR)) {
flashLEDs(3000); // Flash LEDs for 3 seconds
gateServo.write(0); // Lower the gate
gateLowered = true;
while (!isSensorTriggered(TOF2_ADDR)) {
flashLEDs(500); // Continue flashing LEDs
}
delay(30000); // Wait 30 seconds
gateServo.write(90); // Raise the gate
gateLowered = false;
digitalWrite(LED1_PIN, LOW);
digitalWrite(LED2_PIN, LOW);
}
}
bool isSensorTriggered(uint8_t sensorAddr) {
Wire.beginTransmission(sensorAddr);
Wire.write(0x00); // Command to read distance
Wire.endTransmission();
Wire.requestFrom(sensorAddr, 2);
if (Wire.available() == 2) {
int distance = Wire.read() << 8 | Wire.read();
return distance < 100; // Adjust threshold as needed
}
return false;
}
void flashLEDs(int duration) {
unsigned long startTime = millis();
while (millis() - startTime < duration) {
digitalWrite(LED1_PIN, HIGH);
digitalWrite(LED2_PIN, HIGH);
delay(250);
digitalWrite(LED1_PIN, LOW);
digitalWrite(LED2_PIN, LOW);
delay(250);
}
}
Explanation:
- Setup:
- Initialize the I2C communication for the TOF10120 sensors.
- Set the LED pins as outputs.
- Attach the servo motor to the specified pin and set its initial position (gate up).
- Loop:
- Continuously check if the first sensor is triggered.
- If triggered, flash the LEDs for 3 seconds and then lower the gate.
- Continue flashing the LEDs until the second sensor is triggered.
- Once the second sensor is triggered, wait for 30 seconds, then raise the gate and stop flashing the LEDs.
- Helper Functions:
isSensorTriggered: Reads the distance from the specified TOF10120 sensor and checks if it is below a certain threshold.flashLEDs: Flashes the LEDs for a specified duration.
Feel free to adjust the sensor addresses, pin numbers, and distance thresholds as needed for your specific setup.
