By using an Arduino Uno and a single-channel relay module, you can control high-voltage or high-power devices, such as lights, motors, and appliances, from your computer or mobile device. In this blog ...

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 ...

• Key: Connected to a push button which is connected to a common ground (COM) on the Arduino. • RI: Not connected (NC). • TX: Connected to Digital PWM pin 3 on Arduino UNO. • RX: Connected to Digital ...

The block diagram of the home automation system for controlling three electrical appliances is shown in Fig. 1 and its complete circuit diagram in Fig. 2. It is built around Arduino Uno R3 (Board1), ...

Fig. 1: Author’s prototype for Smart Electric Iron Circuit and working. As shown in Fig. 2, the circuit built around Arduino Uno Board1 includes single-changeover relay module MOD1, MPU6050 module ...

Arduino codes for an Interactive Light Box using ultrasonic sensor, relay module and 12V LED stripe. Material: Scissors, Arduino Uno, relay module, ultrasonic sensor, breadboard, jumper wires, 12V LED ...

Zero - Arduino Try Out. From the circuit diagram of the module, it is clear that, apart from the module only a few external components are needed to build a relay-driver circuit. Yes, there is a ...