Crops

02.07.2025 14:20:03

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.
970 W . m-2 B1 B2 B2 M1 21.06 °C 41.38 % 21.4 °C 39.22 % M2 21.3 °C 30.14 % 21.4 °C 39.22 % M3 21.8 °C 39.9 % 21.4 °C 39.22 % M4 22.2 °C 37.12 % 29 °C 29.16 % 29 °C 29.16 % M5 21.84 °C 21.62 % 29 °C 29.16 % 29 °C 29.16 % M6 22 °C 37.94 % 29 °C 29.16 % 29 °C 29.16 % J1 22.2 °C 25.24 %

Malina1

Temperature 21.06 °C
Humidity 41.38 %
Nko 20 mg/kg
Pko 92 mg/kg
Kko 85 mg/kg
Vodivost 281 mS/m
pH 3
Salinity 154 mS/m
TDS 140
Illuminance 3718 lx
Battery voltage 4.2 V
Panel voltage 6.45 V
Battery capacity 100 %
RSSI -63 dBm

Malina2

Temperature 21.3 °C
Humidity 30.14 %
Nko 1 mg/kg
Pko 33 mg/kg
Kko 26 mg/kg
Vodivost 156 mS/m
pH 3.06
Salinity 87 mS/m
TDS 79
Illuminance 4006 lx
Battery voltage 4.2 V
Panel voltage 6.27 V
Battery capacity 100 %
RSSI -58 dBm

Malina3

Temperature 21.8 °C
Humidity 39.9 %
Nko 3 mg/kg
Pko 53 mg/kg
Kko 45 mg/kg
Vodivost 199 mS/m
pH 3
Salinity 109 mS/m
TDS 99
Illuminance 4095 lx
Battery voltage 4.2 V
Panel voltage 6.38 V
Battery capacity 100 %
RSSI -64 dBm

Malina4

Temperature 22.2 °C
Humidity 37.12 %
Nko 1 mg/kg
Pko 48 mg/kg
Kko 41 mg/kg
Vodivost 190 mS/m
pH 3
Salinity 104 mS/m
TDS 95
Illuminance 4042 lx
Battery voltage 4.2 V
Panel voltage 5.97 V
Battery capacity 100 %
RSSI -68 dBm

Malina5

Temperature 21.84 °C
Humidity 21.62 %
Nko 7 mg/kg
Pko 65 mg/kg
Kko 57 mg/kg
Vodivost 222 mS/m
pH 3.04
Salinity 123 mS/m
TDS 112
Illuminance 3937 lx
Battery voltage 4.2 V
Panel voltage 4.27 V
Battery capacity 100 %
RSSI -58 dBm

Malina6

Temperature 22 °C
Humidity 37.94 %
Nko 7 mg/kg
Pko 63 mg/kg
Kko 55 mg/kg
Vodivost 220 mS/m
pH 3
Salinity 121 mS/m
TDS 110
Illuminance 3789 lx
Battery voltage 4.2 V
Panel voltage 4.31 V
Battery capacity 100 %
RSSI -81 dBm

Boruvka1

Temperature 21.4 °C
Humidity 39.22 %
Nko 4864 mg/kg
Pko 26 mg/kg
Kko 18 mg/kg
Vodivost 144 mS/m
pH 3
Salinity 79 mS/m
TDS 72
Illuminance 4089 lx
Battery voltage 3.83 V
Panel voltage 6.36 V
Battery capacity 69 %
RSSI -67 dBm

Boruvka2

Temperature 29 °C
Humidity 29.16 %
Nko 2 mg/kg
Pko 29 mg/kg
Kko 21 mg/kg
Vodivost 150 mS/m
pH 3
Salinity 82 mS/m
TDS 75
Illuminance 4095 lx
Battery voltage 4.2 V
Panel voltage 6.05 V
Battery capacity 100 %
RSSI -58 dBm

Jablone1

Temperature 22.2 °C
Humidity 25.24 %
Nko 1 mg/kg
Pko 49 mg/kg
Kko 42 mg/kg
Vodivost 192 mS/m
pH 3
Salinity 105 mS/m
TDS 96
Illuminance 4094 lx
Battery voltage 4.2 V
Panel voltage 4.32 V
Battery capacity 100 %
RSSI -68 dBm