GitHub - casainho/Smart-Scale: An OpenSource cheap bathroom scale that connects to Android using Bluetooth and saves/log the weight value, making visualization graph.

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An OpenSource cheap bathroom scale that connects to Android using Bluetooth and saves/log the weight value, making visualization graph.

code.google.com/p/casainho-projects/wiki/SdCardBathroomScale

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Name		Name	Last commit message	Last commit date
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firmware/fagor_bb_90		firmware/fagor_bb_90
pictures		pictures
software		software
README.txt		README.txt

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An Open Source bathroom scale with wireless Bluetooth communications to Android Smart Phones and other devices.

I hacked a cheap bathroom scale (20€) and added to it Bluetooth communications so I can track my weight on my Android Smart Phone.

All were done quick and with cheap price on mind. Total cost in materials were only about $75.

Material:

- digital bathroom scale: $20
- ARM LPC2103 microcontroller board: $15.6
- Bluetooth serial module: $6.6
- 16x2 LCD: $15
- batteries and support: $5
- various, like wires, etc: $12.5
TOTAL: ~$75.

Please read more on project page: http://code.google.com/p/casainho-projects/wiki/SmartScale

Here on this github account I am sharing the firmware for the ARM LPC2103 microcontroller and the software for Android Smart Phones.