M5stack is a stackable development kit that offers an all-in-one solution for prototyping smart IoT devices. The kit includes a main board, an LCD screen, and a camera module, as well as a variety of sensors and input/output modules. The modular design of the M5stack makes it easy to add or remove components as needed, and the stackable form factor allows for convenient storage and transportation. In addition, The M5stack is compatible with a wide range of existing Arduino libraries, making it a versatile platform for developing IoT applications. With its compact size and robust feature set, the M5stack is an ideal solution for prototyping smart IoT devices.

What is 5V RELAY?
5V relay is an electrical component that helps to control the flow of electricity in a circuit. It consists of two parts: an electromagnetic coil and a switch. When the coil is energised, it creates a magnetic field that opens the switch, allowing current to flow through the circuit. When the coil is de-energized, the magnetic field disappears and the switch closes, preventing current from flowing. 5V relays are commonly used in computers and other electronic devices to control the power supply to various components. They are also used in automotive applications, such as for controlling headlights and turn signals. 5V relays provide an easy way to control electrical circuits without having to use complex wiring diagrams. Thanks to their simple design, 5V relays are easy to use and reliable.

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