Solder Motor

Solder the Red wire to the + pad and the Blue to the - pad on the DRV board.

STEMMA QT Chain of Devices

Connect a 50mm long STEMMA QT cable to the port on the Feather. 

The STCC4 / SHT41 - CO2 board connects next in the STEMMA QT chain, followed by the DRV board at the end.

STEMMA QT Sandwich 

Place the board standoff between the DVR board below and the STCC4 board on top. Use the extruded standoff portion to clear the STEMMA QT ports on the DVR board.

Use M2.5x10mm screws to securely mount the STEMMA QT sandwich together. 

Mount Motor

Align the wires on the vibration motor to the cutaway on the circular wall in the case.

Mount Boards

Secure the Feather to the stand-offs on the case with two M2.5x6mm screws on the side closest to the three buttons. Use two M2x6mm screws on the remaining screw mounts closest to the Reset button. 

Position the STEMMA QT sandwich to the stand-offs inside the case.

Connect Lipo Battery

Align the battery cable to the JST port on the Feather.

Weathering Paint

Use dark grey acrylic paint to add weathering details to the front and side of the case.

Snap-fit Case Top

Align the snap fit nubs to connect the top of the case to the bottom of the case.

Assemble Magnetic Backing

The magnetic pin backing attaches to the case with a printed holder.

Align the magnets through the cutouts on the holder.

Use two M2.5x6mm screws to attach the holder to the back of the case.