Interface and connectivity ICs

for ( j = 0; j < 8; j++) { GPIOB-> BSRR = (j); HAL_Delay(10); GPIOB-> BRR = (j); HAL_Delay(10); }

Hello.When the A0,A1,A2 pins of 74HC138 are 0,0,0 Pulse is weird.I wonder what the cause is.

Is there a way to use WIFI module and Bluetooth module simultaneously?

Greetings,For a project of mine, I would like to use on B-L4S5I-IOT01A IoT discovery kit both Wi-Fi ® (Inventek Systems ISM43362-M3G-L44) module and Bluetooth® Low Energy (BlueNRG-M0) module, in simultaneous.Reading the user manual for the board (UM2...

L9663 code

ST engineer:HI.I am using PSI5 protocol by ST L9663 now。can you give me a code about L9663?

Disconnect a BLE connection as a peripferal leads to error code

Dear all,I am using a BlueNRG-LPS in my current project. Stack Library 3.1a is used.The device works as a peripheral.It works fine to establish a connection to the peripheral, but I am facing an issue to disconnect.There are several reasons that our ...

I want to program a BLUENRG-LP with the STLINK-V3MINIE. I have tried it with STM32CubeProgrammer. The board will be found but if I try to connect I get an error message (Error: Unable to read device id from ROM table). Did I something wrong?

TESEO-LIV3R GNSS module can`t get antenna status properly

I`m using the EVB-LIV3R evaluation board (TESEO-LIV3R module inside) to parse the $GPGGA NMEA message, and I`m trying to implement the antenna sensing as an extra funcionality. Here`s the binary image firmware subsystem version from this module:$$GPT...

the LAN8742 driver PHY ethernet IC don't output voltage on LEDS pins (PIN2,PIN3)

I have a custom board ,I use ethernet protocol, the LAN8742 driver PHY ethernet IC don't output voltage on LEDS pins (PIN2,PIN3) when I connect a network cable between PC and my custom board, but when I connect a network cable between PC and Nucleo B...

How can Error -13 (VL53LX_ERROR_CONTROL_INTERFACE) be solved in a VL53L4CX sensor?

I am using the official ST library from STM32CubeIde and i adapted a custom_ranging_sensor.h to use two sensors. The project builds correctly but when the getdistance returns a (VL53LX_ERROR_CONTROL_INTERFACE) error. But the init and start function e...

Issues with Connecting ESP32 to VL53L4CX.

I am using micropthon on my esp32-s2 and connected to my VL53L4CX over I2C. i can see the device on the bus but am having an extremely hard time reading in the distance value. Any help would be greatly appreciated. I that there are some libraries out...