DevHeads IoT Integration Server•2y ago

Hey

''wi Hey

wafa_ath•3/18/24, 8:40 PM

Hii welcome, feel free to ask ,we are here to help

Joseph Ogbonna•3/18/24, 8:43 PM

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Al•3/19/24, 12:35 AM

Hey everyone! Hope you're having a lovely day/night

Al•3/19/24, 12:43 AM

Generally speaking, if I'm interested in learning about drivers/ABIs/interoperability or even cross-compiling between systems/devices/apps, what's a good resource to start?

(Sorry if the question doesn't make sense, I'm trying my best)

Saßì•3/19/24, 2:53 AM

@Al Aqel Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/19/24, 2:54 AM

@Hieumanity Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/19/24, 2:54 AM

@'wi Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

SSaßì @Al Aqel Welcome! Can you let us know a bit about your technical background, wh...

Al•3/19/24, 2:57 AM

I'm studying Mechatronics Engineering & would love to explore the layer between hardware and software more & more

I'd gladly share future projects as well

AAl Generally speaking, if I'm interested in learning about drivers/ABIs/interoperab...

techielew•3/19/24, 6:16 AM

Hi Al Aqel, welcome! Great to learn your interests! Well I’m not sure how extensive your experience is but the GCC compiler will handle a lot of cross compilation for microcontroller firmware development.

There are hardware abstraction layers (HALs) for higher level programming (like applications). A good place to start might be explaining more specifically something you’re trying to build/do/learn so we can point you in directions for that area.

You’re entering a big world!

Donald Will•3/19/24, 6:38 AM

Hi all, Does anyone know any Project that implement freertos ESP32-S3 idf plaftform ?

DDonald Will Hi all, Does anyone know any Project that implement freertos ESP32-S3 idf plaftf...

techielew•3/19/24, 6:40 AM

@youcef_ali has worked on that specifically and can elaborate

Ttechielew @youcef_ali has worked on that specifically and can elaborate

Donald Will•3/19/24, 6:50 AM

I am using esp32-s3 as main controller to interface a flow sensor to get the volume and need to display it via a spi display interface the GUI middleware is LVGL and need to some data to send to the server using rest API(wifi) and also need to interface a sd card for data logging and need to use bluetooth also and OTA to update the firmware may i know any example code or project using esp-idf frawmework for me to refences ?

youcef_ali•3/19/24, 8:00 AM

Hey @kingrom, you'll found multiple examples on the idf epo, please take a look, https://github.com/espressif/esp-idf/tree/master/examples

GitHub

esp-idf/examples at master · espressif/esp-idf

Espressif IoT Development Framework. Official development framework for Espressif SoCs. - espressif/esp-idf

Bboualleg sabrina guys can you suggest to me an environmental project using stm32 with Ai

wafa_ath•3/19/24, 8:24 AM

I suggest doing soil analysis using NPK sensor with stm32 and analyst the data with machine learning models... That would be great project

Bboualleg sabrina guys can you suggest to me an environmental project using stm32 with Ai

aymen ammari•3/19/24, 8:26 AM

I suggest something related to agriculture and plants as wafa said

aymen ammari•3/19/24, 8:31 AM

Or How about building a smart plant disease detection system using STM32, You could integrate image processing capabilities into the STM32 microcontroller using a lightweight AI model, such as a convolutional neural network (CNN). The system could be equipped with a camera to capture images of plant leaves, and the STM32 would analyze these images in real-time to detect signs of diseases or pests. Depending on the detected issues, the system could trigger alerts, provide recommendations for treatment, or even autonomously administer treatments such as spraying pesticides or applying fertilizers. This project combines the power of AI for image recognition with the real-time processing capabilities of the STM32 microcontroller to aid in crop protection and management

Yyoucef_ali Hey @kingrom, you'll found multiple examples on the idf epo, please take a look,...

Donald Will•3/19/24, 9:32 AM

Thank you for the source. Do you have project base example ?

DDonald Will Thank you for the source. Do you have project base example ?

youcef_ali•3/19/24, 9:36 AM

you can start with this sample programme of lvgl, you'll find LVGL and Freertos combined, I usggest that you start with this ti get fammilar with esp-idf and lvgl: https://github.com/lvgl/lv_port_esp32/tree/master

GitHub

GitHub - lvgl/lv_port_esp32: LVGL ported to ESP32 including various...

LVGL ported to ESP32 including various display and touchpad drivers - lvgl/lv_port_esp32

MMarvee Amasi So I heard about this watchdog timer thing, with lots of processes, it's kinda ...

Joseph Ogbonna•3/19/24, 10:01 AM

In an RTOS, use the watchdog timer to monitor tasks' execution. Each task should periodically reset the watchdog timer to prevent it from timing out. If a task fails to reset the timer within its allotted time, it indicates a fault, triggering appropriate error handling. Sending signals with task IDs could aid in identifying which task caused the watchdog timeout, improving debugging.

Bboualleg sabrina guys can you suggest to me an environmental project using stm32 with Ai

Camila_99$$•3/19/24, 10:16 AM

Hi Sabrine i suggest you to develop a handheld water quality tester with STM32 that measures parameters like pH.

Camila_99$$•3/19/24, 10:18 AM

And use Ai algorithms to analyze the data and provide instant feedback on water quality.

Camila_99$$•3/19/24, 10:29 AM

Morning everyone

I am trying to control a set of relays with the GPIO of an esp8266. I have installed espeasy, and I can control the GPIO with an HTTP command. I would like to be able to do this with MQTT. My broker is a Raspberry Pi, and the test signals are passing well with the protocol. Now, I would like to achieve this with espeasy without using Jeedom or other home automation assistants.
Has anyone tried this before????Because I can’t find any tuto similar to my project.

CCamila_99$$Morning everyone 😌 I am trying to control a set of relays with the GPIO of an e...

wafa_ath•3/19/24, 11:43 AM

Morning camila ,as much i understand maybe using firebase for hosting the data and with this u can use mqtt

CCamila_99$$Morning everyone 😌 I am trying to control a set of relays with the GPIO of an e...

boualleg sabrina•3/19/24, 1:45 PM

I think you can do it without home automation assistants

Bboualleg sabrina I think you can do it without home automation assistants

Umesh Lokhande•3/19/24, 2:00 PM

Yes, I agree with @boualleg sabrina. If RPi is running MQTT broker s/w and acting as an IoT Server. Then connect your home devices as a client and control them. This way you can avoid all third-party services. The only limitation is you won't have access from outside of your home network. There is a way out but I'd not recommend RPi to make it public access for security reasons.

Camila_99$$•3/19/24, 2:04 PM

But what do you think about Tosmota ?

CCamila_99$$But what do you think about Tosmota ?

Umesh Lokhande•3/19/24, 2:13 PM

Maybe it's good. I haven't tried any pre-built home assistant

CCamila_99$$But what do you think about Tosmota ?

boualleg sabrina•3/19/24, 2:21 PM

I don't have a clear idea about it but I'll look for more informations.

Camila_99$$•3/19/24, 2:28 PM

Yeah ok

Camila_99$$•3/19/24, 2:28 PM

Thank you guys

JJoseph Ogbonna In an RTOS, use the watchdog timer to monitor tasks' execution. Each task should...

Marvee Amasi•3/19/24, 3:07 PM

Oh thanks so much , I have figured it out now

Saßì•3/19/24, 4:34 PM

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Ttechielew Hi Al Aqel, welcome! Great to learn your interests! Well I’m not sure how extens...

Al•3/19/24, 11:04 PM

Thank you so much for the feedback. I'm looking to dive into

Low level drivers for hardware in general to work with something like a linux distro
Re-imagining how those drivers are visualised and shown to average users

Yyoucef_ali you can start with this sample programme of lvgl, you'll find LVGL and Freertos ...

Donald Will•3/20/24, 1:55 AM

Hi , actually i am done port the esp32 to lvgl but i am not familiar how to display the flow sensor reading to display concurrently need to handle lvgl. The flow sensor is sending the hex code it interface with esp32-s3 via modbus how can i handle the reading and display it on the tft display ?

Accur4te•3/20/24, 2:11 AM

Is there any good and robust alternatives to relays ? I am trying to deploy and system in a Harsh environment but my replay are stoping after certain time cause of rusting and many other factors can anyone suggest an alternative?

Saßì•3/20/24, 4:25 AM

@Jamin Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:26 AM

@RahulKhedkar Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:28 AM

@Samsug Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:28 AM

@Jamin Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:29 AM

@kirkle Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:29 AM

@stylefox Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

AAccur4te Is there any good and robust alternatives to relays ? I am trying to deploy and ...

Umesh Lokhande•3/20/24, 5:18 AM

Check with Solid State Relays and Optocoupler ICs which may help you in harsh environments where you've electrical noise or high-voltage spikes

gKarthikSai•3/20/24, 5:47 AM

Hello everyone......I have a MacBook so can't install vivado design suit (not available for Mac and it's like 300gb I don't have the storage for it ), I'm using eda playground on web

gKarthikSai•3/20/24, 5:50 AM

Any good utube tuts for the same

UUmesh Lokhande Check with *Solid State Relays* and *Optocoupler ICs* which may help you in hars...

Accur4te•3/20/24, 5:51 AM

ok thanks i will give it a try

Manuel•3/20/24, 6:02 AM

In vivados xdc-files, is it possible to do calculations? So e.g. instead of providing a clock period I could provide the frequency and calculate the period from it?

MManuel In vivados xdc-files, is it possible to do calculations? So e.g. instead of prov...

techielew•3/20/24, 6:31 AM

@Navadeep dyk?

GgKarthikSai Hello everyone......I have a MacBook so can't install vivado design suit (not av...

Marvee Amasi•3/20/24, 6:44 AM

@gKarthikSai hi , If Vivado Design Suite isn't available for your Mac, and you don't have the storage for it anyway, you're doing the right thing by using EDA Playground online. Keep using it for your design needs

MManuel In vivados xdc-files, is it possible to do calculations? So e.g. instead of prov...

Navadeep•3/20/24, 7:10 AM

yes, this is something very possible. In your example, you can be -divide_by like this

reference(chapter 3): https://www.xilinx.com/support/documents/sw_manuals/xilinx2022_1/ug903-vivado-using-constraints.pdf

NNavadeep yes, this is something very possible. In your example, you can be -divide_by lik...

Manuel•3/20/24, 7:16 AM

Oh, no I don't want to derive a clock from another, but do actual calculations where the result can be stored to a variable. Using this for a clock was just an example.

Hey

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