Below given is Relay Driver Circuit to build your own Relay module: Circuit Diagram and Working: In this Arduino Relay Control Circuit we have used Arduino to control the relay via a BC547 transistor.

The relay module will need 5V from Arduino to power up and will get input from four different digital pins of the Arduino. Now let’s connect the relay module to your home appliance. Take the positive ...

The Smart Timer Relay Controller is an Arduino-based project designed to automate the control of an LED (or other electronic devices) based on specific hours of the day. By utilizing a Real-Time Clock ...

Connections for interfacing ZigBee module with Arduino are shown in the circuit diagram. Connections: Tx (pin2)of XBee -> Tx of Arduino board; Rx(pin3) of Xbee -> Rx of Arduino board; Gnd(pin10) of ...

Screenshot of Bluetalk app is shown in Fig. 1. Block diagram of the voice-controlled home automation system is shown in Fig. 2. Fig. 1: Screenshot of Bluetalk app ... Disconnect the serial cable from ...

The relay board is an I2C device, device address is changeable, refer to changeI2CAddress(uint8_t new_addr, uint8_t old_addr).; Use getChannelState() to know the state of every channel.; Use ...

Arduino Uno R3 Development Board (or a trusted working clone would work fine) Bluetooth Module (Preferably HC-05) Android Device (Preferably one running v4.0 or above) Relays (R1 – R6 in Schematic ...