Interface and connectivity ICs

BlueNRG-2: Dma do not working after wakeup

I;m working on bluenrg-2.The system undergo sleep after 3 minutes if no device connected I have to read the ADC value from DMA.Once the system undergo sleep ,the wake up switch will wake up the board.But after wake up the DMA not working. if(DMA_Get...

Need the BOM for BLUENRG-1 schematic.

I am using BLUENRG-1 (QFN package, 32 pin) in my design. I got the schematic of BLUENRG-1 for my design but I am not able to get the value mentioned in the schematic. If anyone has BOM for the schematic please share with me.Please check the attached ...

Interfacing Spi half-duplex sensor with bidirectional Master

Hello, I have been trying to interface a HTS221 3 wire spi sensor with my STM32 Master.I need to use my master as bidirectional because I'm already communicating with another sensor.I have found a solution which was shorting miso and mosi together wi...

Can't find MS5611 device on I2C.

Hello! I recently started working with STM32 microcontrollers and I'm trying to work with a MS5611 sensor with I2C but when I use HAL_I2C_IsDeviceReady function to detect the different devices I have on the I2C it detects nothing. I have check the bo...

I want to use hardware control of power down modes of STW81200 circuity. At which level are power mode pins active (circuit powered down) - high level (1.8V) or low level (grounded)? Thanks

ADC collecting wrong data when combining ADC polling and BLE chat example

I want to send the adc data through bluetooth to a Mobile app.I combined both adc polling and bluenrg chat example.I got the correct data with adc polling example but when I integrate this code with chat example the adc collecting wrong data.can an...

STPM34 voltage measuring section - Neutral line directly connect to IC GND Vs Through a series Resistor

Hi All,i am using STPM34 for metering application to measuring the Energy used in the EV charging station.As per the development board design provided by the ST to measure the AC voltage , the Neutral lone is connected directly to the comment GND for...

Is it possible to set up IO-Link communication with the L6362 and use High-side or Low-side stage?

Hello everyone. I was wondering whether it is possible to set up IO-Link communication with the L6362 transceiver and not work in push-pull mode but in high-side-output stage or low-side-output stage mode? According to the data sheet, HS and LS can a...