Questions tagged [microcontrollers]

For questions concerning IoT applications that use microcontrollers as control units. Almost every IoT device has an embedded microcontroller. Thus, use this tag when the usage, development or constraints of the microcontroller are at the core of the question.

12 questions with no upvoted or accepted answers
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1answer
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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 ...
4
votes
0answers
45 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 ...
4
votes
0answers
257 views

NodeMCU - create public webserver

How would I go about creating a public web server so that I can control my NodeMCU v3 from anywhere in the world? I was thinking about flashing espruino on my board since I have more experience with ...
3
votes
2answers
52 views

Are there Arduino boards that can be used as a small web server, supporting HTTPS?

I would like to control a relay from over the internet. I was thinking of making this using an Arduino and some wifi/ethernet shield. Searching the internet, I see a lot of shields and modules that ...
2
votes
0answers
84 views

Is it possible to implement the HomeKit Accessory Protocol directly on an Arduino or some other microcontroller without the need for a bridge

It seems that all solutions involving homekit make use of a bridge server, so I am confused as to why none of the setups that I can find are implementing homekit directly on the microcontroller. Is ...
2
votes
0answers
162 views

Automatic Compiling & Flashing of EFM32 Programs

I'm working a Machine Learning project, and I need to gather some data about the run-time of an EFM32 Microcontroller (EZR32LG). After gathering a small dataset and realizing I need more (A lot more) ...
2
votes
0answers
443 views

Can I enable interrupts on GPIO16 of ESP8266?

Usually, the gpio16 is not used as gpio. But we can read the state or change the state by writing directly to the registers. WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) &...
1
vote
1answer
37 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 ...
1
vote
0answers
70 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
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0answers
59 views

Creating a Non Blocking socket for making GET requests

I am using an ESP32 with a MicroPython Firmware and want to make asynchronous HTTP requests such as GET request. I have tried using usocket but it did kept throwing OSError 128. I have attached my ...
1
vote
0answers
97 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(...
1
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0answers
66 views

Development board for DASH7

Has anyone experimented with DASH7? I am searching for a development board, which is proven to work with the DASH7 stack in the 433/868 MHz bands. There are, of course, the official development kits, ...