Grab the microphone and bottom half of the case. The hinge should be securely attached. Gently press the capsule through the circular cutout on the door. Use the photo to reference placement.
The PCB doesn't need to be flush with the door, it can go about half way through. The cutout should have a snug fit.
If the cutout is too lose and you find the mic coming out, you can optionally adhere the mic to the door. Hot glue is a nice option since it can be removed without damaging the parts.
Locate the voltage pads on the back of the PyBadge. There's labels that denote two pads, 5V and 3.3V. In order for the microphone to work, the PyBadge needs to setup for 3.3V logic. Use a hobby knife to cut the small trace in between the 5V and VCC pads. Apply solder to the 3.3V and VCC pad. Sufficient amount of solder will jump the two connections.
Battery & Speaker
For a portable setup, connect a 350mah 3.7v lipo battery to the power port on the back of the PyBadge.
If you'd like to increase the sound output from the PyBadge, connect a mini oval speaker to the speaker port on the back of the PyBadge.
Use the 3D printed button to actuate the reset button. This is used for resetting the PyBadge and flashing new firmware.
Install Reset Button
Place the 3D printed button into the hole from inside the bottom half of the case. It should have a loose fitting. A small flange on the button will prevent it from falling out.
Plug in the 3-pin JST cable from the microphone into the JST connector on the back of the PyBadge with the D2 labeling.
Install Top Cover
Place the top half of the case over the PyBadge and line up the cutouts with the components. Gently, and carefully, press the cover down onto the bottom half of the case.
The case features snap fit features. Firmly press the two parts together to snap them shut. Rotate the case and press all the edges to fully secure the case.