Hello there
I try to interface arduino with php. My problem is when i click the button, my LED did not light on. The information that i entered in the form has been recorded in the phpmyadmin. I want both the LED light on and the information is save in phpmyadmin. how can i solved this LED problem.
<?php
// SPECIFY USB PORT TO USE
$usb_comPort = "COM3";
switch($_POST)
{
case isset($_POST['submitOn']):
exec("ECHO 1 > $usb_comPort"); // Turn On LED 1
break;
case isset($_POST['submitOff']):
exec("ECHO 2 > $usb_comPort "); // Turn Off LED 1
break;
case isset($_POST['submitOn1']):
exec("ECHO 3 > $usb_comPort"); // Turn On LED 2
break;
case isset($_POST['submitOff1']):
exec("ECHO 4 > $usb_comPort"); // Turn Off LED 1
break;
case isset($_POST['submitOn2']):
exec("ECHO 5 > $usb_comPort"); // Turn On LED 3
break;
case isset($_POST['submitOff2']):
exec("ECHO 6 > $usb_comPort"); // Turn Off LED 1
break;
case isset($_POST['submitOn3']):
exec("ECHO 7 > $usb_comPort"); // Turn On LED 4
break;
case isset($_POST['submitOff3']):
exec("ECHO 8 > $usb_comPort"); // Turn Off LED 1
break;
case isset($_POST['allon']):
exec("ECHO 1,3,5,7 > $usb_comPort"); // Turn ON ALL 4 LED Bulbs
break;
case isset($_POST['alloff']):
exec("ECHO 2,4,6,8 > $usb_comPort"); // Turn OFF ALL 4 LED Bulbs
break;
}
?>
</head>
<body>
<h1>Parking Layout</h1>
<form method="post" action="">
<label>First Name</label>
<input type="text" name="First_Name" />
<br />
<label>Last Name</label>
<input type="text" name="Last_Name" />
<br />
<label>Phone Number</label>
<input type="number_format" name="Phone_Number" />
<br />
<br />
<br />
<label>Date</label>
<input type="date" name="Date" />
<br />
<br />
<br />
<label>Time</label>
<input type="time" name="Time" />
<br />
<br />
<br />
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" >
<input type='submit' name='submitOn' value='Turn LED 1 ON'>
<input type='submit' name='submitOff' value='Turn LED 1 OFF'>
<br><br>
<input type='submit' name='submitOn1' value='Turn LED 2 ON'>
<input type='submit' name='submitOff1' value='Turn LED 2 OFF'>
<br><br>
<input type='submit' name='submitOn2' value='Turn LED 3 ON'>
<input type='submit' name='submitOff2' value='Turn LED 3 OFF'>
<br><br>
<input type='submit' name='submitOn3' value='Turn LED 4 ON'>
<input type='submit' name='submitOff3' value='Turn LED 4 OFF'>
<br><br>
<input type='submit' name='allon' value='Turn ALL LEDs On'>
<input type='submit' name='alloff' value='Turn ALL LEDs Off'>
</form>
</body>
</html>
