Next, we need to connect all the components to make the final smart water meter project. The Arduino Pro Mini pin connections with the components are given in Table 2. The actual wiring diagram of the ...

Circuit diagram of the water flow meter is shown in Fig. 1. The circuit is built around Arduino Uno board (Board1), 16×2 LCD (LCD1), and water flow sensor YF-S201 (SENSOR1). The Arduino is the brain ...