74HC4051 8 Channel Analog Multiplexer & Demultiplexer Breakout Board

The 74HC4051 8 Channel Analog Multiplexer & Demultiplexer Breakout Board is a compact and versatile signal routing module designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms. It allows a single analog or digital input/output pin to communicate with up to 8 different channels, making it ideal for projects where GPIO pins are limited.

Using the 74HC4051 analog switch IC, this breakout board can select one of eight analog or digital signals through just three address pins (S0, S1, S2). It is widely used in robotics, IoT, automation, sensor networks, data acquisition systems, and electronic prototyping.

Whether you're building a sensor hub, expanding analog inputs, creating audio switching circuits, or multiplexing multiple devices, the 74HC4051 Breakout Board provides a reliable and cost-effective solution.

This module is especially popular among Bangladeshi engineering students, robotics enthusiasts, makers, university projects, and embedded system developers because it significantly reduces GPIO usage while maintaining excellent signal integrity.

Features:

• 8-channel Analog Multiplexer/Demultiplexer
• Built around the genuine 74HC4051 IC
• Compatible with Analog and Digital Signals
• Works with Arduino, ESP32, Raspberry Pi, STM32 and PIC
• Low ON resistance for accurate signal transmission
• Supports bidirectional signal switching
• Requires only 3 control pins
• Compact breakout board for easy prototyping
• Breadboard-friendly design
• Low power consumption
• Ideal for expanding ADC inputs
• Excellent for sensor multiplexing
• Stable and reliable performance

Specifications:

Applications:

• Arduino Projects
• ESP32 Development
• Raspberry Pi Projects
• STM32 Embedded Systems
• Robotics
• IoT Devices
• Sensor Expansion
• Data Acquisition Systems
• Audio Signal Switching
• Analog Signal Routing
• Industrial Automation
• Educational Electronics Projects
• University Final Year Projects
• Smart Agriculture
• Home Automation

Why Choose This 74HC4051 Breakout Board?

Unlike using multiple ADC pins, the 74HC4051 Breakout Board lets you read up to eight analog sensors using only one analog input. This saves valuable GPIO pins and simplifies wiring, especially for ESP32 and Arduino Nano projects.

Its compact PCB, stable switching performance, and easy integration make it an excellent choice for beginners and professionals alike.

Package Includes:

• 1 × 74HC4051 8 Channel Analog Multiplexer & Demultiplexer Breakout Board

Compatibility:

• Arduino UNO
• Arduino Nano
• Arduino Mega
• ESP32
• ESP8266 NodeMCU
• Raspberry Pi Pico
• Raspberry Pi
• STM32
• PIC Microcontroller
• AVR Development Boards
• Teensy
• MicroPython Boards