Frameless Scale

Finished rails (load cell mounts). Two go under the hive, one on each side.

Goals:

• Parts cost under $100.
• Parts are readily available.
• Can be built by 15 year old student (9th grader) using hand tools.
• No soldering.

End View with cover removed.

Design Features

• No frame: no welding, no bending.
• Only straight cuts and drilled holes.
• Load cells are mounted in metal strut.
• Electrical connections are plugs or terminal blocks.

Exploded parts diagram.

Material List

Parts Detail

Assembly

HX711 with terminals and Pi