Interface and connectivity ICs

I am designing a wearable using the BlueNRG-1. Its a simple device I plan to sample the analog input with the onboard ADC. to keep my life simple, which stack should I use, and is there any software development system available that I can use to make

use of the onboard MPU? all suggestions welcome

BLE card reader with HID sevice

Hi, I use a X-NUCLEO-BNRG2A1 with a NUCLEO-L476RG .My goal is to describe a card reader (USB CCID class) with the HID service. I tested my HID service with the report map of a mouse and it works I can make it move.Now I send the USB descriptors of th...

How to connect BlueNRG-LP with EWARM(IAR 8.40) and MDK-ARM (Keil C V5.25) by Jlink-V9?

My OS is Windows 7 64-bit. I had a Jlink-V9. Now, I want to connect it with EWARM(IAR 8.40) and MDK-ARM (Keil C V5.25). But I cannot connect them. Does anyone know how to do it? Or, does anyone has the document about connecting BlueNRG-LP with EWARM(...

The STW81200 has several Hardware Power Down Pins. How should I layout them, if I want to have this thing always running ?

Yes, I read the Datasheet and studied the Evaluation Board Documentation. BUT those pins vanish in a "USB module".

Problems running BLE Beacon sample on STEVAL-BCN002V1

I flashed the sample pre-compiled firmware on the STEVAL-BCN002V1 BlueNRG2 tile. The flash was completed successfully. However, I see only green led on the board and none of the mobile applications can scan the beacon. If I flash the "Sensor Demo", i...

Voltage drop in multiple-slave SPI communication

Hi,I have two stm32f103 uc (as the slaves) which communicate with a stm32f407 (as the master) through SPI. I realized when SPI in both slaves are enabled the voltage on MISO pin drops to 2.5 Volt while when only the SPI in one of the slaves are enabl...

BlueNRG-355 device no found when I open the project of BlueNRG-LP Profiles_Lib-1.0.0.0

I download the software package of BlueNRG-LP Profiles_Lib-1.0.0.0.Setup.exe and setup it. It shows "BlueNRG-355 device no found" when I open the project. But I use pack installer to install it. But I cannot find the pack of BlueNRG-355. Where can I ...

Is it possible to take control of VBUS_EN_SNK pin from software using i2c on STUSB4500?

BlueNRGxxx choice for basic BLE communication with STM32 (using STM32CUBE IDE)

Hello everybody,I plan to add an bluetooth chip to my electronics board. My goal is to add a basic bluetooth serial communication, in order to send errors messages to an android app.I use STM32 microcontrollers on my boards, and I program them with S...