An ultimate tutorial for beginners on how to connect and use an ESP8266 via Arduino and program it to blink an LED using the Blynk app.
Quick Start with SenseCAP K1100 and Light and IMU Sensors
Using Arduino UNO GSM SIM800 SIM network to remotely control any Arduino with Blynk app. Share schematic + gerber file + BomList
It will start your water motor automatically and stop automatically. Also showing how much fill with water in cm.