Interface and connectivity ICs

Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.

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VL53L8CX I2C with ESP32

Hello,I wanted to share about the VL53L8CX sensor and it's I2C.I have been using a lot of VL53L sensors (5CX, 1X) and now the 8CX.It always used to work super easily but with the VL53L8CX I cannot seem to make it work. Running an I2C scan doesn't det...

QoS configuration on ST67W

Hi, i have bought a Nucleo-U575ZI-Q coupled with a X-Nucleo-67W61M1 i have upload the exemple ST67W6X_MQTT, after reading the doc i have complete the configuration and i run well.  I use it with mosquitto or nanomq brokers (same results) but on both ...

XP_LGE by Associate
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STUSB4500 slows down I2C clock to 1 kHz

Hello, I have a circuit where a STUSB4500 USB-PD controller is connected with ESP32 via I2C.The problem is that when a USB cable is connected and STUSB4500 powers up, the whole I2C bus clock slows down to 1 kHz which is too slow. After the ESP32 is r...

degesz by Associate
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X-CUBE-ST67W61 interface

  I am planning to have my application interface with the service API of the X-CUBE-ST67W61 Software package. How does the shell utility interface with the Service API? Is the communication interface through a queue?

X-CUBE-ST67W61 architecture.jpg

ST KNX waveform reflection

I created a KNX communication module using ST KNX, but when the KNX Bus voltage is transmitted, the waveform is ringing, resulting in a communication error. I am using the recommended value of 68 Ω for the external resistor RTX on pin R68. Please giv...

arakawa by Associate
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