Questions tagged [stm32]
For questions regarding IoT devices that are built using STM32 32-bit ARM Cortex MCUs manufactured by STMicroelectronics.
11
questions
0
votes
1answer
31 views
STM32L475 X-CUBE-GCP sample application not correctly signed by trusted CA
I am trying to make X-CUBE-GCP sample application SDK working. I am not able to connect to GCP cloud because of repetitive error - "The certificate is not correctly signed by the trusted CA"....
1
vote
1answer
29 views
Has any one developed M-Bus protocol on STM controller?
M-Bus is a building management side protocol which helps to communicate with the controller to get the available parameter values like current, voltage, power etc.
I have to develop an architecture ...
3
votes
0answers
34 views
How we can interface LoRa(RFM96W) with STM32F030 controller?
I have tested my RF96W LoRa boards with the Lolin Boards, it works fine. However when I interface these Lora boards with a stm32f030r8t6 based controller, I don't receive any data, although I have ...
1
vote
0answers
63 views
Integrating STM32 device with smart lock via BLE
I am using a Particle Boron to integrate with a Smart lock but I am not being able to do it. I'm using Particle's BLE interface to connect to Bluetooth and start sending messages to the lock, and a ...
1
vote
1answer
76 views
Suggestion between bluetooth and wifi for a simple sensor reading application
So I have a simple application that involves reading the input over terminal via UART, and then responding accordingly, be it toggling an LED or outputting a sensor reading over I2C. As a step up, I ...
1
vote
0answers
87 views
Is it possible to send data to AMQP server using AT-Command on ESP8266 Wi-Fi module?
I'm currently working on an IoT project which I have an STM32F0 connected to the ESP8266 Wi-Fi module. My goal is to publish data to an AMQP server.
Currently, I'm trying to connect to an AMQP server(...
6
votes
1answer
237 views
Is a simple UDP messaging a good idea for IoT Sensor?
I am working with NB-IoT Modem - Quectel BC95 that will be used in a simple IoT sensor that will periodically (Once per hour) send measurements to our server.
Because of the restriction in place by ...
1
vote
1answer
660 views
Read data from STM32 using UART ESP32 micropython \x00 error?
I am using a LOLIN32 lite (ESP32) to read data sent from a STM32F103 (black pill). The ESP32 is using micropython and the STM32 is programmed using CubeMX + Truestudio.
When calling the uart.read() ...
8
votes
2answers
564 views
AWS IoT implementation on a low end controller like Atmega328, nrf51822?
I have been using AWS IoT implemented in a RPi for a while. I was wondering if I could use a controller like Atmega328 or some NRF based controllers or STM32 to publish and subscribe to AWS IoT MQTT ...
10
votes
1answer
242 views
Keil uVision MDK-Lite, STM32F072B-Discovery board and flash API
I'm using MDK-Lite Version 5.23 with a STMicroelectronics STM32F072B-Disco "Discovery" board and I am trying to use the Flash Example provided by the Discovery samples.
I've used this board and ...
16
votes
2answers
6k views
How can I implement MQTT on an STM32F030K6T6?
The controller in question is an STM32F030K6T6, which has an ARM® 32-bit Cortex® -M0 low power core, 32 kB Flash memory and 4 kB SRAM. It interfaces an SIM808 for Internet connectivity.
The resources ...
