4, true); //document.querySelector('#x').textContent = x.toFixed(2); } //EULER ANGLES if (a[0] === '19' && a[1] === '08') { document.que

Based on the output in 'before_change' it looks like one of the adapters isn't getting set up properly. I tried inserting a 3rd dongle, and the hciconfig info looked similar (namely, the dongle showed

data (https://mbientlab.com/tutorials/CSAPIs.html#xaml-layout) and serves as a general starting point for new developers.