Noodlとobnizを使って体重計を簡単に作ってみる

define({
    inputs: {
        scriptsLoaded: "boolean",
        obnizId: "string"
    },
    outputs: {
        y: "number",
        weight: "string"
    },
    destroy: function(inputs, outputs) {

    },
    setup: function(inputs, outputs) {
        outputs.y = 0;
        outputs.weight = 0;
    },
    run: function (inputs, outputs, changedInputs)  {
        if(changedInputs.scriptsLoaded){
            //setup
            let obniz = new Obniz(inputs.obnizId);
            obniz.onconnect = async ()=>{

            var sensor = obniz.wired("hx711" , {gnd:0, dout:1, sck:2, vcc:3} );

            //sensor.zeroAdjustWait();
            sensor.setScale(1000);
            sensor.setOffset(-10);



        while(true) {

          //sensor.powerUp();
          var value = await sensor.getValueWait(0.001); //10 times average

          if(value>=1){
            obniz.io10.output(true);
            outputs.weight = Math.ceil(value) + 'g';
           this.flagOutputDirty("weight")

            if (outputs.y<=10){
            outputs.y = outputs.y+0.01;
            }

           this.flagOutputDirty("y")

          }else{

            if (outputs.y>=0){
            outputs.y = outputs.y-0.01;
            }
           this.flagOutputDirty("y")
            outputs.weight = '0g';
           this.flagOutputDirty("weight")

          }
          obniz.display.clear();
          obniz.display.print("weight = " + value);


        }


            }

        }
    }
});