Interface and connectivity ICs

Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.

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Forum Posts

WiFi Module Not Connecting

Posted on May 16, 2017 at 15:38Hi,I am using the STM32 Nucleo Expansion Board WiFi Module for a project. I followed the Quick Start Guide and tried to run the HTTP_Request example project. However, after asking for the SSID, password and encryption ...

Kyle Yu by Associate
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  • 2 replies
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LM2901 comparator with invertered inputs

Posted on July 05, 2017 at 12:10I'm using quad comparator LM2901.When i wanted to invert output i've just swaped places of + and - inputs.It worked on emulator but did not work on real circuit.What am i doing wrong?Maybe there is a better way to do ...

es131245 by Associate II
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SP1ML module very low RSSI

Posted on July 04, 2017 at 15:30Hello!For a project at work we're using SP1ML-915 modules. For testing I have one dongle made by ST and one PCB made in house with SP1ML module mounted and connected to USB.After sending random strings between the two...

tomaz by Associate
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SPWF04SA no longer communicates

Posted on July 03, 2017 at 17:35I'm using the X-NUCLEO-IDW04A1. After a restart, the module no longer communicates via serial port (UART).LED3 (Red - GPIO14) is On.The 'MicroPython_mode' (pull_up GPIO8) at reboot work fine.How can I restore the modu...

Python on SPWF04S

Posted on June 28, 2017 at 17:12Hi, I have a problem with SPWF04S.When send command 'AT+S.PYTHON' the answer is 'AT-S.ERROR:16:Cannot switch to Python shell'I tried to look something in datasheet, but nothing. I dont know how go over. Any idea?#pyth...

Replacement for BALF-NRG-01D3

Posted on July 02, 2016 at 18:18Hello,Kindly I'm asking about a replacement for BALF-NRG-01D3,I need a larger balun package/footprint to can assemble it manually to a PCB.Thanks in advance. #balf-nrg-01d3-bluenrg

moataz by Associate
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  • 1 replies
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Running Python on SPWF04Sx

Posted on June 26, 2017 at 14:41 hi I am using afor SPWF04Sx Wi-Fi module - and am trying to run the example python code provided in the user guide. I have the SPWF04Sx configured as console 2 (UART and python) I have created a file called wi...

Marc ZK by Associate II
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  • 13 replies
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Programming the BlueNRG-1 Over SWD

Posted on June 30, 2017 at 07:37Hi All,I've been working on a project which involves programming a BlueNRG-1 microcontroller over SWD. As recommended far and wide, I have ensured that DIO7 is pulled high and have followed reasonable design practices...