Wiring diagram to power and operate the pump using an Arduino Uno R3.

Controlling 12V 2A Max DC Water Pump With Arduino Uno - Project Guidance - Arduino Forum

How to hook up a 12V water pump to Arduino - Quora

Relays seem to be working, except water pump isn't pumping - General Electronics - Arduino Forum

Controlling water pump based on air temperature and humidity – SENSING THE CITY

Water Tank Level Controller Using Arduino

How to connect esp8266 or esp32 as wifi shield with arduino uno r3 for blynk project setup - Need Help With My Project - Blynk Community

How to Build a Peristaltic Pump Circuit Controlled By an Arduino

12V Water Pump Controlled by Arduino and Relay Won't Work - Motors, Mechanics, Power and CNC - Arduino Forum

arduino off when starting a pump - Motors, Mechanics, Power and CNC - Arduino Forum

Arduino - Controls Pump

Arduino based Automatic Water Level Indicator and Controller Project with Circuit Diagram & Code

Controlling water pump based on air temperature and humidity – SENSING THE CITY

5V pump acting strange - General Electronics - Arduino Forum

KS0549 Keyestudio DIY Electronic Watering Kit - Keyestudio Wiki

Automatic Hand sanitizer dispenser using Arduino