Functionallity

The main differences

• Operates in two modes `gravity monitoring` and `configuration mode`

  In gravity monitoring mode it behaves just like the iSpindle, it wakes up at regular intervals, measure angle/tile, temperature, calculates gravity and pushes the data to defined endpoints.

  In configuration mode the device is always active and the webserver is active. Here you can view the angle/tilt values, change configuration options and more. When in this mode you can also interact with the device via an REST API so data can be pushed to the device via scripts (see API section for more information)-

  See the configuration section for more information on how to trigger the configuration mode.

• Can send data to multiple endpoints at once

  The orignial iSpindle can only have one destination, this sofware will push data to all defined endpoints so in theory you can use them all. However this will consume a lot of battery power so use only as many as needed.

  Currently the device supports the following endpoints: http (2 differnt), influxdb2 and Brewfather

  If you want additional targets please raise a feature request in the github repo.

• Build in function to create gravity formulas, so no need for using other tools for this part

  Another big difference is that this software can create the gravity formula in the device, just enter the angle/gravity data that you have collected. You will also see a graph simulating how the formula would work.

• Automatic temperature adjustment of gravity reading

  If you want to correct gravity based on beer temperature you can do this in the formula but here is a nice feature that can correct the gravity as a second step making this independant of the formula.

Note

This feature needs more testing to be validated.

• OTA support from local webserver

  When starting up in configuration mode the device will check for a software update from a local webserver.

• DS18B20 temperature adjustments

  You can adjust the temperature reading of the temperature sensor.

• Gyro Movement

  The software will detect if the gyro is moving and if this is the case it will go back to sleep for 60seconds. This way we should avoid faulty measurements.

Other features

• Support for Celcius and Farenheigt as temperature formats.

• Support SG (Plato is not yet supported)

• Gyro data is read 50 times to ensure good accuracy

Experimental features

• Use the temperature sensor in the gyro instead of DS18B20

  This works fine when the device has time to cool down between measurements and it saves a few milliseconds (reduced battery consumption). My testing shows that this is quite accurate. There is lots of battery power to save, reading the temp sensor takes almost as long as the gyro. This could reduce the run time by 40-50% and probly extend battery life with the same. However more testing is required. Might add this as an option in the UI.

Note

This is not enabled by default.

• Performance measurements

  I’ve also create a small library to measure execution code in some areas of the code that i know is time consuming. This way I can find a good balance between performace and quality.

  See the compile section for more information.