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Dog Weigh Scale
I used plastic that I had kicking around but you can use 1/4" plywood if you want. I support the wood on the 4 load cells using 1/4" aluminum strips.
I replaced the plastic because it was too slippery and worrisome for the dog, putting a piece of rug on top of the plywood. I calibrated the scale using some calibrated weights.
Hover over photo for description, click for larger.
Sunday, April 04, 2021
Made a scale to weigh the dog. Uses load cells and an Arduino Nano to read the cells and show the values on the LCD display. It is self-taring so that all one has to do is turn it on, wait 3 seconds for it to zero, then (the hard part), convince your dog to sit on it.I used plastic that I had kicking around but you can use 1/4" plywood if you want. I support the wood on the 4 load cells using 1/4" aluminum strips.
I replaced the plastic because it was too slippery and worrisome for the dog, putting a piece of rug on top of the plywood. I calibrated the scale using some calibrated weights.
Hover over photo for description, click for larger.
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Not too many changes in the update. I made a new base, larger and more stable than the previous version. I also put the display on an umbilical instead of having it part of the platform. I calibrated the unit with a 20 kg bag of road salt, entered the offset into the program. The display photo shows weight before calibration.