I/O modules

I/O (Input/Output) modules are devices that provide a interface between a microcontroller and the physical world. They allow a microcontroller to receive input from or send output to various sensors, actuators, and other peripherals.

Some common types of I/O modules are:

  • Digital Input Modules: Detect the presence or absence of an electrical signal
  • Digital Output Modules: Control the state of an electrical output (On/Off)
  • Analog Input Modules: Measure continuous signals and convert them into digital signals
  • Analog Output Modules: Convert digital signals into continuous signals
  • PWM (Pulse Width Modulation) Output Modules: Control the duty cycle of a pulsed output to generate a specific voltage or current level
  • Communication Modules: Enable communication with other devices through protocols such as RS-232, RS-485, I2C, and SPI.

I/O modules can be interfaced with microcontrollers through parallel or serial communication and are commonly used in industrial automation, control systems, and robotics applications.

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