Quantity   Component name
1 × arduino uno dfrobot clone
1 × sim800l from aliexpress
1 × 1nce SIM card 500mb for about 20€ no monthly fee
1 × Logic level shifter from aliexpress
1 × Transistor bigger then needed
1 × 2 x 18650 batteries in parallel and relative UPS 5V 18650 Lithium Battery Boost Step Up Module Charge Discharge the Same Time UPS Protection Board Charger Circuit Li-ion
1 × SSD1306 128x32 OLED display from aliexpress
1 × temporary button
1 × lot of wires
1 × a 5v 5W solar panel
1 × Gravity: Analog pH Sensor / Meter Pro Kit For Arduino
1 × Gravity: Waterproof DS18B20 Sensor Kit
1 × Gravity: Analog Turbidity Sensor For Arduino
1 × Waterproof Ultrasonic Sensor with Separate Probe
1 × Gravity: Analog TDS Sensor/Meter for Arduino
1 × ds3231 RTC clock