https://github.com/boneskull/sludge-sensor

omg a soil moisture sensor of things
https://github.com/boneskull/sludge-sensor

Last synced: 6 months ago
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omg a soil moisture sensor of things

• Host: GitHub
• URL: https://github.com/boneskull/sludge-sensor
• Owner: boneskull
• License: other
• Archived: true
• Created: 2016-10-02T04:43:13.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2016-10-03T04:28:17.000Z (over 9 years ago)
• Last Synced: 2025-04-04T06:12:56.126Z (10 months ago)
• Language: C++
• Homepage:
• Size: 4.88 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# sludge-sensor

> omg a soil moisture sensor of things

![screenshot](https://cldup.com/BwBRipOWqa.jpg)

## Notes

- Used [Adafruit Feather HUZZAH](https://www.adafruit.com/products/2821)

- Install libs and toolchain via [PlatformIO](http://platformio.org)

- Used DFRobot's [capacitive soil moisture sensor](https://www.dfrobot.com/index.php?route=product/product&path=156_36&product_id=1385) after noting how quickly resistive sensors tend to corrode

- Due to the 1.0V cap of the ESP8266's ADC pin--and 3.0V being the maximum voltage the sensor will produce--had to use a voltage divider (*R1* 2.2kΩ, *R2* 1.0kΩ and 100Ω in series; used metal film) and multiply the pin reading by 3

- After uploading firmware (`pio run -t upload`) and SPIFFS (`pio run -t uploadfs`) find **Sludge Sensor** AP and connect.

- Hit `http://192.168.1.1` and give it a new SSID/pass to connect to existing WiFi network; this is stored in EEPROM

- Thing will then restart and connect to new network

## TODO

- Add configurable pins

- Add configurable timing

- Add value fudging

- OTA updates

- mDNS

## License

:copyright: 2016 [Christopher Hiller](https://boneskull.com).  Licensed MIT.