Posted on March 20, 2017 at 06:44We are using ST BT module v 4.0 in one of our product, in our device ST module directly interact with the MFI authentication chip for communicating with mobile application. We are under process of MFI authentication ...
Posted on March 19, 2017 at 00:30I'd drive an opto-isolator's LED directly from the logic output of ST3232CTR (VCC=5V). I'd set current with a serial resistor (Vcc - R - LED - 3232's output. Output=L to light the LED up). I checked 'DocID7454 Rev 1...
Posted on March 18, 2017 at 20:32I am beginning to experiment with this part but something has me a bit stumped.The eval board says that the transmit filter is configured for a frequency of 150KHz with a sensitivity around 100KHz.However the receive...
Posted on January 24, 2017 at 01:05In the http://www.st.com/content/ccc/resource/technical/document/datasheet/group1/40/2c/7f/62/3a/3f/47/3c/CD00002253/files/CD00002253.pdf/jcr:content/translations/en.CD00002253.pdf, the introduction text says:The d...
Posted on March 16, 2017 at 12:39In order to optimize the consumption in my project i would like to enable the dc-dc converter.The datasheet says ' Optimized results are obtained when the embedded high-efficiency DC-DC step-down converter is used.'D...
Posted on March 16, 2017 at 11:01Hi, i'm working with the BlueNRG-MS evaluation board (x-nucleo-IDB05A1) together with an stm32L073RZ.I'm putting the module in advertising mode with the stm in stop mode. With an 20ms advertising period, i am measuri...
Posted on March 13, 2017 at 11:43Hi guys,I'm using SPWF001 and wanted to write my parser since the host MCU is not STM32 (so I cant use the example). Simple question: If the module is in the middle of +WIND:xx:yyy, and I send an AT Command, is the c...
Posted on March 15, 2017 at 11:47Hello,I have a problem with the ISB027V1 Eval.Board. I have flashed and erased the Firmware and now I am looking for the File that is mentioned in the user guide WBC_FW_A11 .... but I cannot find it anywhere. Can som...
Posted on March 15, 2017 at 10:29Good afternoon~friends,it's my first time to be here.Thank you for taking time to read my post firstly. I hope I have chosen the right forum to put my troubles ! I need your help.Please give me some time to state my ...
Posted on March 15, 2017 at 01:59BlueNRG-MS is said to be compliant with Bluetooth standard. However I observed big difference in performance depending on what device connects to BlueNRG-MS. This is how it looks like: iPhone can see the advertising...