sensor value Serial.println

hi.
i want print different values if sensor value more or less given number not seem work good.
the code 2 if statements check if values more or less 800 printing first statement , not care real value is.

what missing?

if(sensorvalue < '800')
     serial.println("less 800");

if(sensorvalue > '800')
     serial.println("more 800");

you missing keys

code: [select]


if(sensorvalue < '800')
{
     serial.println("less 800");
}

if(sensorvalue > '800')
{
     serial.println("more 800");
}


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