The **CJMCU-4051 74HC4051 8-Channel Analog Multiplexer/Demultiplexer Sensor Module** is a breakout board designed for use with Arduino, based on the **74HCT4051** chip. This chip functions as a single-pole octal-throw (SP8T) analog switch, enabling both analog and digital 8:1 multiplexing and demultiplexing.
The module features three digital select inputs (S0, S1, and S2), eight independent input/output channels (Yn), a common input/output pin (Z), and a digital enable input (E). When the enable pin (E) is set to HIGH, all switches are turned off. The module also includes input clamp diodes, which allow for the use of current-limiting resistors, making it possible to interface with voltages higher than the VCC.
This versatile module is ideal for expanding the number of analog or digital signals that can be processed by your Arduino, making it suitable for a wide range of sensor or control applications.
Pin Description:
Functional Diagram:
Schematic Diagram (one switch):
Specifications and Features :
1.Wide Analog Input Voltage Range: /-5V
2.Low “ON” Resistance: 80 ohm (type) at Vcc = 4.5V; 70 ohm (type) at Vcc = 6.0V; 60 ohm (type) at Vcc = 9.0V
3.Logic Level Translation: to enable 5V to communicate with /-5V analog signals.
4.Board Size: 30 x 19 mm
Input Supply voltage (V)
± 5
Length (mm):
30
Width (mm)
19
Height (mm)
3.5
Weight (gm)
3
Shipping Weight
0.005 kg
Shipping Dimensions
10 × 7 × 3 cm
Package Includes:
1 x 8 Channel Analog Multiplexer Demultiplexer Sensor Module with berg Pins.
The CJMCU-4051 74HC4051 8 Channel Analog Multiplexer/Demultiplexer Breakout Board for Arduino is a versatile logic level converter used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
Integrating into a custom electronics project
Learning and experimenting with circuits
Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Weight
0.01 kg
15 Days Warranty
Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.
What voids warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
