AZDelivery TXS0108E Logic Level Converter 8 Channel SPI 8 Way 3.3V 5V I2C IIC 8-Bit Bi-Directional Converter Module Compatible with Arduino and Raspberry Pi

I needed to interface a 5V I2C MCU with the ESP32 so I needed se level shifting. These got the job done but I found somewhere on the Internet that they needed a 10k (or maybe a 4.7k but used 10k anyway) to be soldered between the outmost pins to work so I did that. All in all they do what they say. Only used one so far but its been a while and never had issues with lvl shifting in this project so I d say its a good buy.

Works perfectly!

Update: A second and third device worked without problem.Despite adding a pull up resistor to OE and capacitors to VA and VB there is no output. A simpler 4 channel converter worked first time.

I tried to use these to drive opto-isolators from an ESP32, but they do not have enough drive current for that application - my fault. Otherwise, very easy to use and would work fine for (say) an SD card reader

I use this converter over 3 years and bought a few more not long ago. Very reliable! Never had a problem.

These level shifters may be cost effective, but they do not actually work. Wanted simple communication between 3.3v and 5v. Had some professionals look over my wiring, because it was not working at all. They verified and we tried all 3 units. None of them were able to shift logic successfully. Not impressed.

I wanted to convert 5v logic to CMOS and this promises to provide a better solution than simply using a potential divider network. The datasheet for the chips warns that connections should be kept short but the use of this breakout board on a breadboard is contrary to this warning.The bidirectional logic doesn't require a separate input to switch directions. To support this the logic uses a novel approach to enabling an output when it could be an input. Unfortunately this didn't work for me. I used the converter with 5v logic that produced pulses at 20kHz - 120kHz and notices that the output was often two or three times higher. This upset the edge detection within my processor. It can easily be seen on an oscilloscope as ringing on the output - as the output moves up and down processor sees more than one upward transition. Using a simple divider network of two resistors instead produced a perfect result.The suggested circuit uses an additional resistor that isn't supplied. It could easily be included on the circuit board. The description implies that pull up resistors are used on inputs but reading the manufacturer's data sheet there are specific instructions to not rely on this and that operation will be unstable. The suggested circuit doesn't use two decoupling capacitors.These could easily have been included on the circuit board. The manufacturer's data sheet again provides specific instruction to use them where the description only suggests their use.

I bought these to be used in a WLED setup to shift the level to 5v for the data lines. After trying 3 opf them and double checking my wiring i have concluded they just don't work for WLED. A quick test with a multimeter does show that 5v signals are being output so i have no reason to believe they are faulty, juts not right for what i needed.

Die Logic Level Converter funktionieren wie sie sollen. Frage mich nur warum der zusätzliche Widerstand nicht gleich auf dem Board verbaut wurde, aber das kann nur der Hersteller beantworten.

Lo he utilizado para adaptar las señales de 3.3V de mi DUE a una pantalla de 5V. Funciona bastante bien, pero al ser una pantalla de alta velocidad de refrescamiento, mejor poner cables cortos, ya que el TXS0108E eleva la tensión pero no reconstruye la señal de forma robusta como el SN74LVC2T45, así que las capacidades del cableado o conexiones pueden evitar que funcione el proyecto. En general es un dispositivo seguro para gestionar señales lentas por debajo de 1Mhz.Los TXS0108E parecen originales. Viene montado en una PCB con buenos acabados. Con respecto al precio, considerando que cada chip al detal cuesta 1€ en la tienda, pues tenemos aquí un producto de 5€ vendido en 10€ considerando que el coste de los componentes al mayor baja muchísimo dando margen de ganancia del 100% incluso incluyendo la PCB y las tiras de pines macho. Que por cierto, pudieron haber traído tiras de pines Hembra en vez de macho. Los pines machos no son útiles para interconectar dispositivos con cables, además poner este dispositivo en un protoboard con señales rápidas es un error. He terminado soldando todo, que es mas trabajo, pero seguro.

Fonctionne parfaitement. Doc fournit pour le raccordement entre raspberry et afficheur 4 lignes 20 caractères

Very disappointed that 4 out of 5 was dead on arrival. The one that works as expected runs great though.

Ragazzi prima di sbatterci la testa, mettete sempre la resistenza di pull-up sul PIN OE SEMPREE!Un bel prodotto con così tante uscite bidirezionali.Funziona benissimo.