DO NOT connect in any ways the main power supply that drive the LOAD to the arduino and transistor circuitry! Turn OFF the relay with delay You can use this code example to introduce a delay in your ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

A 5V single-pole, double-throw (SPDT) relay used to control the load (230V AC, 60W bulb) acts as a switch. The 5V power supply is connected to the 5V (Vin) and GND pins of the Arduino Nano to enable ...

Local Control: Toggle relays with connected switches. Remote Control: Use the Arduino IoT Cloud dashboard to manage relays online. WiFi Feedback: An LED indicates WiFi connectivity status.

Description: Using an Arduino or a micro controller we can generate cool looking patterns with an led strip with addressable LEDs. In this case I'm using an Arduino uno (clone board) and a strip of ...

#Components Used Arduino Uno Soil Moisture Sensor Relay Module (to control the pump) Water Pump (DC) Connecting wires and power supply ->How It Works: The soil moisture sensor provides an analog ...