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

Superceeded EEPROM

Posted on November 03, 2017 at 13:39I have suspect failed EEPROM chip, part number 93C86W K529WI cant find this chip online, is there a direct replacement for it?#eeprom #93c86

BlueNRG-1 Low Power in Discovery Mode

Posted on November 03, 2017 at 10:42 Hello to everyone. I have a project I use blueNRG-1 I have problems with energy consumption in the project no problem in advertising mode and connection status current in connection status : ~ 250u...

eenis by Associate
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SPBTLE-RF dialog over SPI

Posted on March 31, 2016 at 11:41Hi,I'm currently working on using SPBTLE-RF module with the evaluation board of the KL25Z from Freescale.After I set up the SPI interface, I tried a byte-communication with the module by sending Write Header ( 0x0a, ...

bastien by Associate
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Characteristics properties

Posted on October 26, 2017 at 14:27Hello all,I have a bluenrg-1 working as a master and it is connected to a bluenrg-1 working as a slave. The connection is established and it is working fine.When I send the command aci_gatt_disc_all_primary_service...

jampino by Associate II
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Resolved! Problems with TLS example in SPWF04SA

Posted on August 31, 2017 at 15:05I am using the example certificates provided by ST (en.STSW-TLSpack.zip), specifically Example 2 for encrypted communications in One Way mode.I am using the 'Client_Socket' example of the SDK 'STM32CubeExpansion_WIF...

SPWF01 : can't connect to the mini AP

Posted on January 04, 2017 at 09:52Hello,I'am using this module to connecte my borad to Internet. This module can create a mini AP so a user can connect its laptaop or smartphone to the SPWF01 and configure the WIFI connexion (SSID and pass).I have ...

SPWF04SA seems to be stuck in miniAP mode

Posted on September 26, 2017 at 20:48I'm trying to get a SPWF04SA to connect to a WAP with no success. Whatever I do, the radio seems to come up in MiniAP mode (wifi_mode=3). I'm sending the following commands, in UART mode, waiting for a positive r...

SPWF04 WIND and OK messages mixed up

Posted on October 22, 2017 at 16:20Hi,I have a problem with the messages from SPFW04 being mixed up as my 'output from remote'-message is interrupted by the OK message.My microcontroller is updating the SSI via UART ten times per second and the answ...