Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.
Posted on July 31, 2017 at 10:31What should be the voltage level for dir pin of 54AC164245 for logic high when it is used as bi-directional level translator.It is not clearly stated in datasheet. Should it be 3.3V or 5V ? Please clarify.
Posted on April 27, 2017 at 21:34SPWF04SCMQTT Unable to connect to any MQTT ServerAccordinghttp://www.st.com/content/ccc/resource/technical/document/user_manual/group0/69/bf/26/08/53/62/49/af/DM00329655/files/DM00329655.pdf/jcr:content/translations/...
Posted on July 31, 2017 at 10:03We are looking for a new wifi module. And was thinking of using the SPWF04SA from ST.But now I can see that ST has chosen another wifi module for their STM32L4 Discovery kit IoT node.Does anyone have an Idea why they ...
Posted on August 03, 2017 at 00:40Are there any open bugs related to ID 2131: Slave abruptly disconnects if any non-empy packet is received after an encryption failure?I'm bonding a device with an iPad using the 'just works' model. After clearing t...
Posted on June 24, 2017 at 00:30Dear Colleagues,I'm developing a real time application which I need around 128 kbps of BLE application throughput.Inside BlueNRG package there is a Throughput demo that shows how to implement a simple throughput test ...
Posted on June 29, 2017 at 00:48Hi, I'm using a BlueNRG-MS attached to an STM32l4 via SPI. I've got the connection working all right. When I try to define a custom service with 6 characteristics, the first 2 work fine, but the rest of the aci_...
Posted on July 28, 2017 at 13:42for example the datasheet offers this command'AT+S.SOCKDW=<sid>,<cid> <len><cr>{data}'this is the format if UART is used, but at no point is explained how I do this with SPI! All thats written is:'To map an AT command...
Posted on July 21, 2017 at 09:37Hi there, i'm trying to establish a communication between nucleo64 stm32f401 with idb05a1 bluetooth module and a sensor tile. I can make 2 nucleo 'talk', but i can't do it with the sensor tile. In my project the nucle...
Posted on July 28, 2017 at 12:03What is the XTAL frequency of the spirit1 chip connected to SMPS of the SP1ML-868 module?I have the famous LOCKWON status, and I suppose the default configuration does not comply with XTAL frequency.#spirit1-sp1ml
Posted on July 26, 2017 at 11:35Dear All,I'm using BLUENRG-1 working on a beacon project. And the problem for me is that can bluenrg-1 advertising after connect by APP or phone?Base on BlueNRG-1_2 DK 2.5.0.As follow steps I try:1. set 'undirected s...