Row { id: row1; ........
        Rectangle { id: brightUp; width: 60; height: 60; radius: 30 .......
            MouseArea {
                anchors.fill: brightUp
                onClicked: {
                    var xmlhttp = new XMLHttpRequest()
                    xmlhttp.onreadystatechange = function() {
                        if (xmlhttp.readyState === 4 && xmlhttp.status === 200) {
                            console.log("Brightness UP")
                        }
                    }
                    xmlhttp.open("POST", "http://192.168.0.222/lightup")
                    xmlhttp.send()
                }
            }