A team of researchers from Chiang Mai University along with those from the Vidyasirimedhi Institute of Science and Technology (VISTEC), have announced that they have developed a pulse oximetry device to measure oxygen in the blood, along with an application for readings, at a fraction of normal costs, in a bid to help support the Covid-19 fight. Asst. Prof. Dr. Akarat Boon Chiang of CMU told