The HC4067 16-Channel Analogue/Digital Multiplexer is ideal for expanding the I/O capabilities of your microcontroller or other digital logic devices. This module is perfect for applications requiring multiple sensor inputs, signal routing, or general-purpose multiplexing.

Key Features:

• 16 Channels: Easily switch between 16 input/output pins using a single control signal.
• Wide Voltage Range: Operates with a supply voltage of 2-6V, compatible with both 3.3V and 5V systems.
• Bidirectional Control: Suitable for both analog and digital signals, making it highly versatile.
• Low On-Resistance: Ensures minimal signal loss during operation.
• Compact Design: Fits seamlessly into your breadboard or custom PCB.

How it works: Real World Example:

• Connect multiple sensors (e.g., temperature, humidity, light) to the 16 channels of the CD74HC4067.
• The common pin (COM) connects to one analog pin on the Arduino, while the selection pins (S0-S3) connect to four digital pins.
• The Arduino sends a binary signal (e.g., 0001) to select which sensor connects to the common pin.
• The Arduino reads the sensor data through the common pin and cycles through the sensors by changing the binary signals.
• This lets you use one analog pin to monitor up to 16 sensors, saving microcontroller resources.

Applications:

• Signal routing for sensors or actuators
• Audio or video signal switching
• Expanding the input/output capacity of microcontrollers like Arduino, ESP32, and Raspberry Pi
• Simplifying connections in robotics and automation projects

HC4067 16 Channel Analogue/Digital Multiplexer Specifications:

• Channels: 16
• Input Voltage: 2-6V
• Control Logic: 4-bit binary for selecting active channel
• Package: Module-ready for breadboard prototyping

Whether you’re working on a hobby project or designing a complex system, the CD74HC4067 provides a reliable and efficient way to manage multiple inputs or outputs.