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bee-weighter/README.md

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# Bee weighter
The data the testing run harvested are available in
[data.ods](./docs/data.ods). An excerpt:
```
674488892 14 16.05.2021 14:01:32
674488895 7 16.05.2021 14:01:35
674489230 0 16.05.2021 14:07:10
674489233 1 16.05.2021 14:07:13
674489236 5165 16.05.2021 14:07:16
674489239 -181 16.05.2021 14:07:19
674489242 -139 16.05.2021 14:07:22
674489245 -93 16.05.2021 14:07:25
674489258 2 16.05.2021 14:07:38
674489261 5 16.05.2021 14:07:41
674489264 9 16.05.2021 14:07:44
```
## Quadruple strain
Using four single strain half bridges together again forms a full bridge,
with the resistance doubled. **200kg max.**
![Two single strain half bridges togerher breadboard
view](./docs/4-strain_bb.jpg)
![Two single strain half bridges togerher breadboard
schematic](./docs/4-strain_schem.jpg)
## Bottom side
The bottom side for testing looked like this initially:
![The bottom side of the weighting platform](./docs/bottom.jpg)
## Commands
Load the code into the Arduino Pro Micro 3.3V:
```
pio run -t upload
```