Interface and connectivity ICs

Help choosing a Bluetooth Module and dev tools

Hello, We are looking to upgrade a customers product line by adding a per-qualified BLE module. We have identified the BLUENRG-M0A as a candidate module. We only need to support HID mode. And SPI or serial is an acceptable interface. However we find...

Is BER testing on STEVAL-IDB008V1M possible?

I have carried out some tests on the STEVAL-IDB008V1M. In the tests I have tested how BER is affected range, interference and objects.I achieved this by transmitting hardcoded data, so on the receiver side, I knew the correct data and compared every ...

Problem with adding library to keil program

Hello to everyoneI want to print "Hello World" to the screen using the stm32f103ve card.and when it comes to the "HAL driver" section and adds the libraries to the project, it gives an error.the error is as follows: ..\..\main.c(3): error: #5: cannot...

S-parameter for BAL-UWB-01E3 is not found

Hi Team, we are using RF Balun (BAL-UWB-01E3) in our design.For performing RF simulation we are not getting any S-parameter for the selected Balun. Does anyone know from where I can get the S-parameter or Is there any other method to simulate the Bal...

I2C implementation between STM32 MCU and sensor using Low-Layer API

Hello,Could you share any examples of I2C communication implementation between STM32L011 MCU and temperature sensor using Low-Layer (LL) API? I am trying to read temperature values from temperature & humidity sensor HDC2080. I found a library for thi...

Hello I try to build a system connected in Bluetooth low energy via a smartphone. A simple button that when press order a call to a number could someone help me with this ?

BlueNRG aci_gatt_add_char returns ERR_UNSPECIFIED_ERROR

I am creating a series of characteristics using aci_gatt_add_char and after a number of these have been added OK I get an error, ERR_UNSPECIFIED_ERRORWhat are the circumstances that cause this ?Regards,Andrew

Glue which contains phthalates is used in IC. Percentage of phthalates (DBP) is exceeded allowed threshold level stipulated by EU RoHS directive. - Does the DBP evaporate during manufacturing process?

Hi, I got material compliance from Silicon Expert Database. Concerned part is an IC. According to Silicon Expert, there is glue used for die attach. The glue contains a phthalate based substance, DBP. DBP use is restricted by EU RoHS directive, via d...

BLUE NRG-1 Proprietary Radio TX/RX Demo doesn't work

Hi:I tried Radio RX/TX Demo provided by stsw-bluenrg1-dk.But the demo does work.Does it need special setting for the hw or others?