DevHeads IoT Integration Server•2y ago

Have heard them - the USB peripheral controllers. What are you looking in this?

AAlbaphet soup Why is my linux down speed so so slow

techielew•3/17/24, 7:28 AM

Please offer more context of your build. @abhishek awasthi may be able to help.

NNavadeep Have heard them - the USB peripheral controllers. What are you looking in this?

youcef_ali•3/17/24, 7:41 AM

This controller is used in digital logic analyser, i want to use it to record lvds signal and do the process in the computer side

Wwafa_ath Thank you for your reply but Actually i tried doing all the above , + I don't ha...

Marvee Amasi•3/17/24, 9:41 AM

@wafa_athmani well might be electromagnetic interference.Also ensure RTC module works with your Pi, check for physical damage, refer to manufacturer instructions. I just hope this helps!

Wwafa_ath Thank you for your reply but Actually i tried doing all the above , + I don't ha...

Marvee Amasi•3/17/24, 9:47 AM

I will also encourage you to get another raspberry

techielew•3/17/24, 10:01 AM

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Saßì•3/17/24, 11:06 AM

@umairahmed17 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?!

Chimmuanya Okere•3/17/24, 1:27 PM

I was ordering a PCB from JLCPCB with a size of 8cm*4cm, 4 layers board. When I placed an order for 15 pieces it came out about $20. But when I increased the amount of PCB to 20 pieces, the board price increased drastically to about 40 dollars. When I ask they said it's pcb panelization. How does this affect the cost. @PCB & Analog

CChimmuanya Okere I was ordering a PCB from JLCPCB with a size of 8cm*4cm, 4 layers board. When I ...

aymen ammari•3/17/24, 1:31 PM

I think it's related to Copper plate that should enter the machine for manufacturing, 15 seems to use only one plate and for 20 they'll be using 2 of them and the second one the majority of it will be thrown as Droppings

aymen ammari•3/17/24, 1:32 PM

Try increasing the amount to 29 for example and it will stay nearly 40$

aymen ammari•3/17/24, 1:34 PM

In other terms :
PCB panelization involves placing multiple PCB designs onto a single larger panel for manufacturing efficiency. When you increase the quantity from 15 to 20 pieces, it might exceed the maximum number of PCBs that can fit on a single panel efficiently, requiring an additional panel. This can result in higher manufacturing costs, thus increasing the price per board. Essentially, you're paying for the additional material and manufacturing process required for the extra panel(s).

CChimmuanya Okere I was ordering a PCB from JLCPCB with a size of 8cm*4cm, 4 layers board. When I ...

Joseph Ogbonna•3/17/24, 1:41 PM

Most times PCB fabricators do produce there PCB boards in panels which are of various sizes. When do do pay you pay more for the panel not just the design itself. So for your design the extra 5 pieces you added increased the number of panels. Let's say to two panels, which then increased cost.

CChimmuanya Okere I was ordering a PCB from JLCPCB with a size of 8cm*4cm, 4 layers board. When I ...

Joseph Ogbonna•3/17/24, 1:43 PM

It's always adviceable to know how your fab house do there panelization and with you can determine the size of your board to the number of boards that will be produced to reduce cost

boualleg sabrina•3/17/24, 3:52 PM

hello

boualleg sabrina•3/17/24, 3:54 PM

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

techielew•3/17/24, 5:25 PM

New challenge for the week: Fibonacci Word C# Coding Challenge

Give this Fibonacci C language challenge your best shot!

wafa_ath•3/17/24, 7:23 PM

hello guys , i wanted to share with you the process of making pcb from scratch .... it is my univ project to convert this circuit to PCB i will share the final result when it's done

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

Flo•3/17/24, 8:09 PM

Hmm-- perhaps some kind of object recognition? Like point a camera to a tree/the sky and try to identify birds and planes? Or build a door lock for your room that only opens if your face is recognized (perhaps build some kind of second method for opening the door into it so you dont lock yourself out :D)

Flo•3/17/24, 8:10 PM

Is it that kind of suggestion you were looking for?

youcef_ali•3/17/24, 11:35 PM

In a Zynq SoC, can we read data from memory while DMA is operational (writing)?

Saßì•3/18/24, 4:05 AM

@vj#2474 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•3/18/24, 4:06 AM

@poornima_bk 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•3/18/24, 4:06 AM

@Sri 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•3/18/24, 4:06 AM

@heemangshu_IOT 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•3/18/24, 4:07 AM

@JohnBudweiser 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•3/18/24, 4:08 AM

@pranam.sk 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?!

Wwafa_ath hello guys , i wanted to share with you the process of making pcb from scratch ....

Umesh Lokhande•3/18/24, 5:14 AM

Look's great! I'm curious to know what this PCB circuit is about and what it does? Best wishes

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

Marvee Amasi•3/18/24, 6:57 AM

@boualleg sabrina , there are a lot of environmental projects to run using stm32 and Ai, we have the smart waste management system, we have the air quality monitoring system, these once are mostly done projects . So try out SMART IRRIGATION SYSTEM for Agriculture,
you can use STM32 with AI to monitor the soil moisture levels and weather conditions. The AI can analyze this data to determine the optimal watering schedule for crops, reducing water waste and improving crop yield. This project can help farmers save water, increase efficiency, and promote sustainable agriculture practices

FFlo Is it that kind of suggestion you were looking for?

boualleg sabrina•3/18/24, 7:20 AM

I like the idea of the tree camera, .. I have worked before on the door lock with RFID technology

MMarvee Amasi @boualleg sabrina , there are a lot of environmental projects to run using stm32...

boualleg sabrina•3/18/24, 7:22 AM

thank you for the details @Marvee Amasi

MMarvee Amasi @boualleg sabrina , there are a lot of environmental projects to run using stm32...

Aditya thakekar•3/18/24, 8:07 AM

Absolutely and agricultural projects are on the rise too... Best if you get hands on with these project.

aymen ammari•3/18/24, 8:07 AM

Hi everyone, how can I calibrate the gyroscope in my diy flight, it's arduino based, is there any specific source code for that?

Aaymen ammari Hi everyone, how can I calibrate the gyroscope in my diy flight, it's arduino ba...

Marvee Amasi•3/18/24, 9:05 AM

To implement your DIY flight's gyroscope with Arduino, you need to find code that works with your gyroscope model. Look for libraries online that match your sensor. There's no one-size-fits-all solution, but you can try different libraries and tweak them until the gyroscope behaves correctly for your flight system. It might take some trial and error, but you'll get there on the run

LMtx•3/18/24, 12:19 PM

Can anyone suggest how to connect Siemens LOGO SPS to the internet using a 4G modem? Any suggestions are very appreciated!

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

youcef_ali•3/18/24, 12:20 PM

IoT weather station

LLMtx Can anyone suggest how to connect Siemens LOGO SPS to the internet using a 4G mo...

Marvee Amasi•3/18/24, 2:10 PM

Here is what I do to connect a Siemens LOGO SPS to the internet using a 4G modem,

I ensure compatibility between the modem and SPS.
-Then I will physically connect the modem to the SPS.
Configure network settings (APN, username, password).
-Try out testing the connection.
Implement security measures IF NECESSARY.
Monitor and troubleshoot as needed.

MMarvee Amasi Here is what I do to connect a Siemens LOGO SPS to the internet using a 4G modem...

LMtx•3/18/24, 2:11 PM

could you suggest any specific modem that works with LOGO?

LLMtx could you suggest any specific modem that works with LOGO?

Marvee Amasi•3/18/24, 2:20 PM

This guy right here , the LOGO! CMR2020

MMarvee Amasi To implement your DIY flight's gyroscope with Arduino, you need to find code tha...

aymen ammari•3/18/24, 2:22 PM

I'll be using mpu6050 so I look for it's library? Okay okay understood, thank you Mr marvee

LLMtx Can anyone suggest how to connect Siemens LOGO SPS to the internet using a 4G mo...

Umesh Lokhande•3/18/24, 4:00 PM

Here's how to connect both LOGO! and your computer via a 56k modem with an analog telephone connection https://support.industry.siemens.com/cs/document/37408429/how-do-you-set-up-a-teleservice-connection-to-logo!-with-an-analog-modem-via-the-telephone-network-?dti=0&lc=en-IN I hope you'll find this useful.

SIOS

Marvee Amasi•3/18/24, 4:16 PM

So I heard about this watchdog timer thing, with lots of processes, it's kinda confusing. How do I make use of watchdog timer properly in my RTOS? Maybe having each task send a little signal with its own special ID?

Accur4te•3/18/24, 4:53 PM

guys need a solution like if i have a application were if the led strips of a road side led strip stops working it will send alert how can we detect if one or more strips of leds breaks down in a single street light

JeremyCook•3/18/24, 6:59 PM

Got a Circuit Playground Express board from Adafruit for a project: https://learn.adafruit.com/adafruit-circuit-playground-express/overview

Anyone used one of these before? Definitely meant for beginners, but wow it has an amazing amount of stuff built in.

'm working on a project where I'd like people to be able to duplicate it. Something like this seems like a really good way to let people do that, even if using a soldering iron and other things that we take for granted would be a challenge.

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LLMtx Can anyone suggest how to connect Siemens LOGO SPS to the internet using a 4G mo...

techielew•3/18/24, 7:04 PM

@InsightMike, you or anyone in your network?

AAccur4te guys need a solution like if i have a application were if the led strips of a ro...

techielew•3/18/24, 7:06 PM

You mean the street lamps or in-road lighting? If you're looking for street lights are you talking about a sensor node or the whole end-to-end system? If just the node I'd look for a small, low-power based LoRa platform (provided the municipality has a gateway or there's one available to use that meets security/data requriements) and we can talk about additional design requirement from there. LMK.

'wi•3/18/24, 7:54 PM

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?!

Have heard them - the USB peripheral controllers. What are you looking in this?

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