HiLetgo 10pcs 4 Channels IIC I2C Logic Level Converter Bi-Directional 3.3V-5V Shifter Module for Arduino

As part of my Arduino hobby, I bought the HiLetgo 10pcs 4 Channels IIC I2C Logic Level Converter. It works great for safely connecting different voltage devices. Really handy and reliable — a must-have for anyone working on electronics projects!

El HiLetgo 4 canales IIC/I2C convertidor de nivel lógico bidireccional es un módulo compacto y eficiente para adaptar señales entre 3.3V y 5V, facilitando la comunicación entre dispositivos con diferentes niveles de voltaje. Es especialmente útil en proyectos con Arduino, ESP32 y otros microcontroladores.Características principales:- Conversión bidireccional entre 3.3V y 5V.- Compatible con protocolos I2C e IIC, permitiendo una integración sencilla.- Diseño compacto y fácil de usar, ideal para proyectos de electrónica.- Funciona con múltiples plataformas, como Arduino, Raspberry Pi y ESP8266.Este módulo es esencial para evitar problemas de compatibilidad de voltaje en proyectos de sensores, pantallas y comunicación entre dispositivos.

perfect for translating between the 3.3v i2c levels of my various raspberry devices and the 5v logic of my control boards. Wish they had a two port version but can't have everything now can you.

If you're working on projects with Arduino or any other small board, you'll find that you need to use a voltage shifter like this from time to time. I've only used a couple of these but when you need them they're very handy to have. The only thing about these is that there are 4 channels on each board and I have yet to use more than 2. But, at this price, it's more about the size of the board and the space it takes up than the cost of a 4-channel vs 2-channel LLC. As stated in the description - these are two-way. It can take a 3.3v supply up to 5v and can take a 5v supply down to 3.3v.If you don't mind doing the soldering yourself these are great. I typically won't solder the headers onto the boards and just directly solder wire to the terminals I'm going to use. True it's a more permanent solution but considering the low cost of these, the reduction in height by not using the pin headers, and my ability to brush up on my fine soldering skills, i'm very happy to use them this way.

DuPont connectors that stay connected.What a novel idea!

Worked flawlessly as described. Used it to step down 5 V encoders to 3.3 V to read into Raspberry Pi Pico 2.

I was worried about them being cheap knock offs but they all worked as intended.

It works fine, but it has a limitation on switching, so if you plan to use on high speed bus I would recommend a different level shifter. This one works ok up to 100kHz.