Systems, devices, and methods for analyte monitoring

An analyte measurement device, comprising:

• an electronics housing including:
• a shell having an upper surface with a first aperture defined therein;
• a mount mated to the shell and having an underside with a second aperture defined therein aligned with the first aperture;
• a collar disposed between the shell and the mount and including:
• a third aperture aligned with the first aperture and the second aperture, and
• a plurality of tabs on an outermost periphery of the collar, wherein the plurality of tabs extend radially outward from the outermost periphery of the collar to define a shelf for a circuit board;
• the circuit board disposed within the electronics housing and including a plurality of electronic modules, wherein the circuit board is mounted within the electronics housing on the shelf defined by the plurality of tabs on the outermost periphery of the collar;
• and
• an analyte sensor including a tail portion extending through the second aperture in the mount and configured to sense an analyte level, a flag portion including a plurality of electrical contacts coupled with the circuit board, and a neck portion interconnecting the tail portion and the flag portion.