Crops

02.04.2025 05:30:49

The goal is to create an IoT device for monitoring soil properties and early correction of unsuitable parameters for its growth. We assume the possibility to dose watering and dosing of fertilizers based on information from the sensor.
Soil foto
Soil sonda
Soil foto
The measurement system is built on the basis of a five-electrode sensor of soil properties, which is connected to the ESP processor via the RS485 bus. The measuring system is powered by a photovoltaic panel and the accumulator is charged for device operation. Data is sent via WiFi to the database. The sensor measures temperature, humidity, content of nitrogen, phosphorus and potassium components, soil conductivity, pH, salinity, as a supplement for IoT devices it also sends battery voltage, PV panel voltage, battery capacity and WiFi signal.
0 W . m-2 B1 B2 B2 M1 6.9 °C 19.82 % 6.08 °C 23 % M2 7.6 °C 36.48 % 6.08 °C 23 % M3 8.2 °C 28.86 % 6.08 °C 23 % M4 7.48 °C 36.48 % 6.04 °C 22.34 % 6.04 °C 22.34 % M5 7 °C 17.2 % 6.04 °C 22.34 % 6.04 °C 22.34 % M6 7.5 °C 30.96 % 6.04 °C 22.34 % 6.04 °C 22.34 % J1 8.4 °C 30.78 %

Malina1

Temperature 6.9 °C
Humidity 19.82 %
Nko 0 mg/kg
Pko 1 mg/kg
Kko 0 mg/kg
Vodivost 51 mS/m
pH 3.24
Salinity 28 mS/m
TDS 25
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -59 dBm

Malina2

Temperature 7.6 °C
Humidity 36.48 %
Nko 0 mg/kg
Pko 19 mg/kg
Kko 11 mg/kg
Vodivost 129 mS/m
pH 3.18
Salinity 70 mS/m
TDS 64
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -59 dBm

Malina3

Temperature 8.2 °C
Humidity 28.86 %
Nko 0 mg/kg
Pko 5 mg/kg
Kko 1 mg/kg
Vodivost 101 mS/m
pH 3
Salinity 55 mS/m
TDS 50
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -62 dBm

Malina4

Temperature 7.48 °C
Humidity 36.48 %
Nko 0 mg/kg
Pko 18 mg/kg
Kko 10 mg/kg
Vodivost 127 mS/m
pH 3
Salinity 69 mS/m
TDS 63
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -69 dBm

Malina5

Temperature 7 °C
Humidity 17.2 %
Nko 1 mg/kg
Pko 44 mg/kg
Kko 36 mg/kg
Vodivost 180 mS/m
pH 3.3
Salinity 99 mS/m
TDS 90
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -62 dBm

Malina6

Temperature 7.5 °C
Humidity 30.96 %
Nko 0 mg/kg
Pko 1 mg/kg
Kko 1 mg/kg
Vodivost 92 mS/m
pH 3
Salinity 50 mS/m
TDS 46
Illuminance 0 lx
Battery voltage 4.13 V
Panel voltage 0 V
Battery capacity 93 %
RSSI -63 dBm

Boruvka1

Temperature 6.08 °C
Humidity 23 %
Nko 0 mg/kg
Pko 0 mg/kg
Kko 0 mg/kg
Vodivost 19 mS/m
pH 3
Salinity 10 mS/m
TDS 9
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -59 dBm

Boruvka2

Temperature 6.04 °C
Humidity 22.34 %
Nko 0 mg/kg
Pko 0 mg/kg
Kko 0 mg/kg
Vodivost 5 mS/m
pH 3
Salinity 2 mS/m
TDS 2
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -55 dBm

Jablone1

Temperature 8.4 °C
Humidity 30.78 %
Nko 0 mg/kg
Pko 22 mg/kg
Kko 14 mg/kg
Vodivost 136 mS/m
pH 3.06
Salinity 74 mS/m
TDS 68
Illuminance 0 lx
Battery voltage 4.2 V
Panel voltage 0 V
Battery capacity 100 %
RSSI -63 dBm