The present invention presents a method of fabrication for a physiological sensor with electronic, electrochemical, and chemical components. The fabrication method comprises steps for manufacturing an apparatus comprising at least one electrochemical sensor, a microcontroller, and a transceiver. The fabrication process includes the steps of substrate fabrication, circuit fabrication, pick and place, reflow soldering, electrode fabrication, membrane fabrication, sealing and curing, layer bonding, and dressing. The physiological sensor is operable to analyze biological fluids such as sweat.
