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bi-directional logic level converter
Bi-directional logic level converter for safe 3.3V ↔ 5V signal translation in microcontroller projects.
Description
The Bi-Directional Logic Level Converter is designed to safely convert digital signals between different voltage logic levels, such as 3.3V and 5V, in both directions. It enables seamless communication between low-voltage and high-voltage devices without damaging sensitive components.
This module is commonly used to interface 3.3V microcontrollers (ESP32, ESP8266, Raspberry Pi, ARM boards) with 5V devices (Arduino, sensors, displays, SD cards, I²C and SPI modules). With automatic direction sensing and support for bidirectional data lines, it is ideal for I²C, UART, SPI, and general-purpose digital signals.
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