https://github.com/bgamari/riffle
A open-source sensing platform for a variety of water-quality metrics
https://github.com/bgamari/riffle
Last synced: 12 days ago
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A open-source sensing platform for a variety of water-quality metrics
- Host: GitHub
- URL: https://github.com/bgamari/riffle
- Owner: bgamari
- License: other
- Created: 2014-01-09T23:35:47.000Z (over 12 years ago)
- Default Branch: master
- Last Pushed: 2014-10-16T05:37:50.000Z (almost 12 years ago)
- Last Synced: 2026-05-27T14:41:49.307Z (about 2 months ago)
- Language: C
- Homepage: http://www.riffle-sensor.org/
- Size: 5.54 MB
- Stars: 2
- Watchers: 4
- Forks: 2
- Open Issues: 0
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Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.mkd
Awesome Lists containing this project
README
# riffle sensor hardware
This repository contains the hardware designs for the Riffle open-source
water-quality sensor. The sensor consists of two distinct pieces of hardware:
the remote board and the logic board.
## logic board
The logic board contains,
* a step-down voltage regulator
* A Freescale MK20DX128 microcontroller
* an SPI FLASH device
* an SD card slot
* A ten-pin IDC connector for interfacing with the remote board
* A connector for an NRF24L01 radio
* Various other connectors
The MCU runs the [data-logger firmware](http://www.github.com/bgamari/data-logger).
Schematics can be found in the
[fab branch](https://github.com/bgamari/water-quality/raw/fab/hardware/schematics.pdf).
## remote board
The remote board contains the sensors which line-of-sight to the medium being
measured. This includes,
* A TMP100 temperature sensor
* A MS5803 pressure sensor
* A color sensor
* Several LEDs and a GPIO extender to drive them
* Logic for sensing electrical conductivity
All of these save the electrical conductivity sensor communicate with the logic
board over I2C.
Schematics can be found in the
[fab branch](https://github.com/bgamari/water-quality/raw/fab/remote-board/schematics.pdf).
## contributors
* Laura Dietz (board layout)
* Ben Gamari (schematics and board layout)
* Don Blair (hardware design ideas)
* Joshua Shapiro (helpful discussions regarding conductivity measurement)
* Mark Green (helpful design feedback)