What is a Logic Level Shifter Bi-Directional 4 Channel module?

It is a voltage level conversion module with four independent channels designed to translate compatible digital signals between different logic voltage levels.

What does bidirectional mean in a logic level shifter?

Bidirectional means compatible signals can pass in both directions between the low-voltage side and high-voltage side of the module.

How many channels does this logic level shifter have?

This module provides four independent logic level conversion channels.

Can I use this module to convert 3.3V to 5V?

Yes, this type of logic level shifter is commonly used to interface compatible 3.3V and 5V logic devices.

Can I use this logic level converter with ESP32?

Yes, it is commonly used with ESP32 projects when interfacing compatible 3.3V ESP32 logic with devices operating at a different logic voltage.

Can I use this module with Arduino?

Yes, the module can be used in compatible Arduino projects requiring logic voltage level conversion.

Is the 4 Channel Logic Level Shifter suitable for I2C?

Yes, this type of bidirectional logic level shifter is commonly used for compatible I2C communication between devices operating at different logic voltage levels.

Can I use this level shifter for high-speed signals?

This depends on the specific module design and signal requirements. Common MOSFET-based bidirectional level shifters are generally intended for low-speed signal applications and may not be suitable for all high-speed interfaces.

Do I need to connect both LV and HV power supplies?

Yes, the low-voltage and high-voltage reference sides should be connected according to the module requirements and the voltage levels of the devices being interfaced.

What is the price of the Logic Level Shifter Bi-Directional 4 Channel?

The current price of the Logic Level Shifter Bi-Directional 4 Channel is ৳160. Please check KathalTech for the latest price and product availability.

Logic Level Shifter Bi-Directional 4 Channel

Name: Logic Level Shifter Bi-Directional 4 Channel
Brand: KathalTech
SKU: logic-level-shifter-bi-directional-4-channel
Price: 160.00 BDT
Availability: InStock
Rating: 5.0 (1 reviews)

0.0 (0 Reviews)

৳160.00

VAT inclusive; Computed calculations added locally.

The Logic Level Shifter Bi-Directional 4 Channel is a compact voltage level conversion module designed to safely interface devices operating at different logic voltage levels. It supports 4 independent bidirectional channels, making it ideal for communication between 3.3V and 5V devices such as Arduino, ESP32, STM32, Raspberry Pi, sensors, and other digital electronics.

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Overview

Connect devices with different logic voltage levels easily using the Logic Level Shifter Bi-Directional 4 Channel Module. This compact converter board is designed to translate digital signals between two different voltage domains, commonly 3.3V and 5V.

The module features four independent bidirectional channels, allowing signals to travel in both directions between the low-voltage (LV) and high-voltage (HV) sides. It is especially useful when connecting 3.3V microcontrollers with 5V sensors, modules, or communication devices.

This 4-channel logic level converter is commonly used for compatible I2C communication, UART serial communication, and other low-speed digital signal applications. Its simple pin arrangement makes it convenient for prototyping and embedded electronics projects.

The Logic Level Shifter Bi-Directional 4 Channel from KathalTech is an essential module for makers, students, hobbyists, and developers working with mixed-voltage electronics.

Important: Always verify the voltage levels, signal type, and compatibility requirements of your connected devices before use.

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Verified Comments Listing

The Logic Level Shifter Bi-Directional 4 Channel is a useful voltage conversion module designed for connecting digital devices that operate at different logic voltage levels.

Modern microcontrollers often operate at 3.3V logic, while many sensors and peripheral modules use 5V logic. Connecting incompatible voltage levels directly can cause communication problems and may potentially damage sensitive components. A logic level shifter helps translate compatible signals between the two voltage domains.

This module provides 4 independent bidirectional channels, allowing signals to pass between the LV (Low Voltage) and HV (High Voltage) sides.

It is commonly used for communication interfaces such as I2C and compatible low-speed UART signals, depending on the electrical requirements of the connected devices.

Key Features

4 independent logic level conversion channels
Bidirectional signal conversion
Suitable for mixed-voltage electronics
Commonly used for 3.3V and 5V logic interfacing
LV and HV voltage sides
Compact module design
Useful for compatible I2C communication
Suitable for compatible UART communication
Ideal for prototyping and embedded projects

Applications

ESP32 to 5V device interfacing
STM32 voltage level conversion
Arduino projects
Raspberry Pi projects
I2C communication
UART serial communication
Sensor interfacing
Robotics projects
IoT devices
Embedded systems
DIY electronics projects

Typical Connections

The module generally includes:

HV – High-voltage reference supply
LV – Low-voltage reference supply
GND – Common ground
HV1–HV4 – High-voltage signal channels
LV1–LV4 – Low-voltage signal channels

For a typical 3.3V to 5V application, the low-voltage side is connected to the 3.3V logic supply, while the high-voltage side is connected to the 5V logic supply.

Important Usage Notes

Connect the LV and HV reference voltages correctly.
Ensure a proper common ground connection where required.
Do not exceed the voltage ratings of the module or connected devices.
Verify the signal type and electrical compatibility before use.
This type of MOSFET-based bidirectional level shifter is commonly suitable for I2C and other low-speed signals, but may not be appropriate for all high-speed interfaces.
Module design, component markings, and electrical specifications may vary by manufacturer or production batch.

Product Name	Logic Level Shifter Bi-Directional 4 Channel
Product Type	Bidirectional Logic Level Converter
Number of Channels	4 Channels
Signal Direction	Bidirectional
Low Voltage Side	LV (Low Voltage)
High Voltage Side	HV (High Voltage)
Common Applications	3.3V to 5V and 5V to 3.3V Logic Level Conversion
Suitable Communication	I2C, UART and Compatible Digital Signals
Compatible Platforms	Arduino, ESP32, STM32, Raspberry Pi and Other Microcontrollers
Applications	Embedded Systems, Sensors, Robotics and DIY Electronics