farmbot-arduino-firmware
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Soil Moisture sensor
The new soil sensor has an ICP-10111 i2c device required to measure temperature and pressure.
New GCODES could look something like
F85 P<sensor type> for reading a sensor.
and
R85 P<sensor type> V<sensor value> for the report from the firmware.
Types would be:
0 - temperature
1 - pressure
We may also need to add new params for Celsius and Fahrenheit.
| param name | param number | param value | example |
|---|---|---|---|
SENSOR_TEMPERATURE_UNITS |
224 | 0 for Celsius 1 for Fahrenheit | F22 P224 V0 |
read temperature ( Celsius )
F85 P0
R85 P0 V20.33
read pressure ( kpa?)
F85 P1
R85 P1 V101.35
I've only lightly tested the sensor but sending 0x68, 0x25 to i2c address 0x63 resulted in
2 bytes for temperature, 4-1 bytes for pressure.
bonus points
The sensor also exposes calibration values. Maybe we need to implement this as well?