DevHeads IoT Integration Server•2y ago

Means I can have my stuff work anywhere their is a gateway also without changing code

BenCos18OP•2/25/24, 9:56 AM

BBenCos18 Means I can have my stuff work anywhere their is a gateway also without changing...

techielew•2/25/24, 10:41 AM

Have you tried Helium?

Ttechielew Have you tried Helium?

BenCos18OP•2/25/24, 10:42 AM

Not a fan of their model with regard to crypto tbh
and also you can't use a diy gateway on them and have to buy a premade one iirc

PPetr Dvořák @accur4te Hello, Yes, I have some small pcb design experience. How can I help yo...

Accur4te•2/25/24, 11:42 AM

Can you pls design a custom esp32 dev board like I want to add gsm module to it , can you do that for me . I have build esp32 schematic .

AAccur4te Can you pls design a custom esp32 dev board like I want to add gsm module to it ...

Petr Dvořák•2/25/24, 11:53 AM

Please send me a PDF of the schematic and I will prepare a price quotation for you.

Navadeep•2/25/24, 6:30 PM

Came across this quite a champion reference design - anything with edge processing, robotics, mobillity apps, here you see...

https://www.nxp.com/design/design-center/designs/navqplus-ai-ml-companion-computer-evk-for-mobile-robotics-ros-ground-stations-and-camera-heads:8MPNAVQ

NavQPlus AI/ML Companion Computer EVK for Mobile Robotics, ROS, Gro...

Mission computer supporting PX4, ROS, ROS2 Ubuntu, vision systems, accelerated AI/ML with NPU, CAN-FD and T1 Ethernet for drones, rovers, robotic vacuum cleaners and agricultural equipment.

NNavadeep Came across this quite a champion reference design - anything with edge processi...

techielew•2/25/24, 6:56 PM

This is dope. Let me ask around,

Ttechielew This is dope. Let me ask around,

techielew•2/25/24, 6:57 PM

Love the ROS support, huge memory, display and industrial interfaces

AAccur4te anyone with pcb design experience ? i want to make a custom esp32 with gsm build...

Joseph Ogbonna•2/25/24, 7:05 PM

how can i help

AAccur4te Can you pls design a custom esp32 dev board like I want to add gsm module to it ...

Accur4te•2/25/24, 7:17 PM

@Joseph Ogbonna

AAccur4te @Joseph Ogbonna

Joseph Ogbonna•2/25/24, 7:19 PM

ya, you can give me your design details and requirement

Camila_99$$•2/25/24, 8:57 PM

Good evening everyone ! i need help , I'm developing a project with an STM32 microcontroller and need precise timing control. What timer and PWM features does the STM32 offer, and how can they be configured for accurate timekeeping and signal generation????

techielew•2/25/24, 9:19 PM

Hey @Anfel, welcome! Can you introduce yourself and your technical background?

CCamila_99$$Good evening everyone ! i need help , I'm developing a project with an STM32 mic...

techielew•2/25/24, 9:22 PM

Which STM32 are you using? There are lots

Ttechielew Which STM32 are you using? There are lots 🙂

Camila_99$$•2/25/24, 9:42 PM

STM32F413VGT3

CCamila_99$$STM32F413VGT3

techielew•2/25/24, 9:45 PM

Bunch of timers on this one.

techielew•2/25/24, 9:45 PM

But wait, there's more..

Ttechielew But wait, there's more..

techielew•2/25/24, 9:51 PM

There's more info about the timers on pages 33-36 here: https://www.mouser.com/datasheet/2/389/stm32f413cg-1851205.pdf

Unfortunately, the "best way" to configure the features is going to depend on your application and system design. This SKU supports both internal clock references and up to 18 timers with different resolutions that can be used to generate your pulses.

Ttechielew There's more info about the timers on pages 33-36 here: https://www.mouser.com/d...

techielew•2/25/24, 9:52 PM

A bunch of data in section 6.3 of the linked-to doc

techielew•2/25/24, 10:13 PM

Should be a good Office Hours Meetup coming up next Friday, 3/1. We'll be putting our heads together to see if we can solve a real-world startup scalability challenge. Check out the prompt, add your thoughts, and get a reminder on your calendar

https://discord.com/channels/1130679493799977062/1211434946116329492

See you Friday!

CCamila_99$$Good evening everyone ! i need help , I'm developing a project with an STM32 mic...

Navadeep•2/26/24, 2:44 AM

If signal generation is your target, the precision depends on what frequency of signal you desire. You can do you using DAC and this example shows reliably generating 26kHz signal https://github.com/angst7/stm32_functgen

Also, there are chips like https://www.analog.com/en/products/ad9833.html that can do upto 12.5MHz arbitrary signal generation controlled over I2C

GitHub

GitHub - angst7/stm32_functgen: Simple function generator for the s...

Simple function generator for the stm32 breakout board (or any stm32f4 for that matter) - angst7/stm32_functgen

Saßì•2/26/24, 4:57 AM

@CancerousDrag Welcome,! We're happy to have you as a DevHead. Feel free to let us know what you're working on now and a bit about your technical background.

techielew•2/26/24, 9:50 AM

New poll, y'all. Let us know what your IDE of choice is: https://discord.com/channels/1130679493799977062/1199293807737450538/1211611134411673601

techielew•2/26/24, 10:06 AM

Forgot to add the thread, @Manuel! Thanks!

aymen ammari•2/26/24, 10:22 AM

What are the default Tx/Rx pins in esp32 WROOM 32?

Saßì•2/26/24, 10:42 AM

@Jacob but as corn on the cob Welcome,! We're happy to have you as a DevHead. Feel free to let us know what you're working on now and a bit about your technical background.

Saßì•2/26/24, 11:36 AM

@-_-) Welcome,! We're happy to have you as a DevHead. Feel free to let us know what you're working on now and a bit about your technical background.

Aaymen ammari What are the default Tx/Rx pins in esp32 WROOM 32?

Umesh Lokhande•2/26/24, 4:03 PM

The default Tx/Rx uses

UART0

UART0

which is mapped on GPIO1 (TX0) and GPIO3 (RX0)

wafa_ath•2/26/24, 4:52 PM

Hi everyone , any suggestion about reliable third-party libraries or frameworks for building web servers on ESP8266 or ESP32? What aspects should be taken for web-based applications on ESP platforms?

Aaymen ammari What are the default Tx/Rx pins in esp32 WROOM 32?

techielew•2/26/24, 5:41 PM

What's your project?

Wwafa_ath Hi everyone , any suggestion about reliable third-party libraries or frameworks...

techielew•2/26/24, 5:41 PM

@Aditya thakekar and @Joseph Ogbonna can probably add some input here

Wwafa_ath Hi everyone , any suggestion about reliable third-party libraries or frameworks...

Aditya thakekar•2/26/24, 5:42 PM

Wifi webserver esp32 library

Aditya thakekar•2/26/24, 5:43 PM

Best thing is you can use html, css and js inbuilt and make a game and run on esp32 tok

Aditya thakekar•2/26/24, 5:43 PM

Too*

John Eric•2/26/24, 8:47 PM

Hey guys, with a lot of imposter syndrome kicking in; Seeing that I'm a total beginner in embedded system

. And what you guys post here is just wow! and way ahead of my current level. But I will not cry

@everyone

techielew•2/26/24, 8:50 PM

Hi @John Eric, what do you do?

techielew•2/26/24, 8:51 PM

Also, feel free to jump in. no judgment here. Just answers and some fun.

techielew•2/26/24, 8:51 PM

Ttechielew Also, feel free to jump in. no judgment here. Just answers and some fun.

John Eric•2/26/24, 8:52 PM

Uhhhh, thanks!

Ttechielew Hi @John Eric, what do you do?

John Eric•2/26/24, 8:56 PM

I'm a programmer and I have a really big passion in engineering; So I thought... What if I combine programming and engineering - that was when I found out embedded system.
In embedded system, I have created a spider with an Arduino(Just learnt about that few months ago).

JJohn Eric I'm a programmer and I have a really big passion in engineering; So I thought......

John Eric•2/26/24, 8:57 PM

But I will really love to be like you guys

Camila_99$$•2/26/24, 10:37 PM

Two years ago, I remember my teacher gave me advice when I want to charge any device, I should plug the charger into the device before plugging the other end into the electrical outlet. Why?? Does it have to do with preserving the device or the battery? Additionally, when finished charging the device, it's important to first unplug the end connected to the device from the electrical outlet before disconnecting the charger from the device.

JJohn Eric I'm a programmer and I have a really big passion in engineering; So I thought......

techielew•2/27/24, 1:54 AM

Oh that’s right. I remember now. Well welcome again! What do you usually program?

Saßì•2/27/24, 2:49 AM

@obiben27 Welcome,! We're happy to have you as a DevHead. Feel free to let us know what you're working on now and a bit about your technical background.

CCamila_99$$Two years ago, I remember my teacher gave me advice when I want to charge any de...

Navadeep•2/27/24, 3:58 AM

Curious curious...i almost do the very opposite each time.'

NNavadeep Curious curious...i almost do the very opposite each time.'

techielew•2/27/24, 7:07 AM

Yes, I'd think to plug into the outlet first too

youcef_ali•2/27/24, 7:53 AM

Hi Team, While a DMA operation is launched, the memory is it accessible for reading or do we have to wait until the DMA is finished? What is the best mechanism to process saved data from DMA ?

NNavadeep Curious curious...i almost do the very opposite each time.'

Camila_99$$•2/27/24, 8:49 AM

Yeah me too lol , I actually forgot why

Ttechielew New poll, y'all. Let us know what your IDE of choice is: https://discord.com/cha...

Navadeep•2/27/24, 8:56 AM

Good one. I have too many IDEs - maybe 8+ although they're of either eclipse or VSCode flavour. Sometimes feels like retiring from them and use terminal along with vim.

Ttechielew Oh that’s right. I remember now. Well welcome again! What do you usually program...

John Eric•2/27/24, 11:27 AM

Usually software - Front-end and mostly Back-end.
I am more of a backend programmer.

Means I can have my stuff work anywhere their is a gateway also without changing code

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