DevHeads IoT Integration Server•2y ago

When creating a footprint for a component in my PCB Design, what are some practices I should conside

When creating a footprint for a component in my PCB Design, what are some practices I should consider.
@PCB & Analog

Wwafa_ath Hello guys, TIP112 transistor, if we replace it with TIP122, it wouldn't be a pr...

Petr Dvořák•4/18/24, 11:42 AM

Did you check datasheets?

electro_coco•4/18/24, 12:02 PM

Just see the datasheet

RReina Hi everyone, glad to join the community

aymen ammari•4/18/24, 12:06 PM

Welcome @Reina , tell us a bit about your technical background and what brought you to the server, what projects are you working on or you're interested in

Aaymen ammari Welcome @Reina , tell us a bit about your technical background and what brought ...

Reina•4/18/24, 12:08 PM

Sure. I'm a Master student, I major in computer engineering and my interest is focused on microcontrollers, networking and cybersecurity. I'm currently working on my graduation project which is an IoT IDS (Intrusion Detection System)

Saßì•4/18/24, 12:48 PM

Are you a developer looking for work? The deep tech job market has been tough for months.

In this week's Office Hours meetup, @Marcweb from tech recruiting firm Webster & Webster will join us to go over resume/CV and job application best practices. We're looking for a volunteer to submit their resume so we can review and upgrade it live during the session.

DM me, reply to this message, or post your resume/CV in the #jobs channel for consideration.

Otherwise we'll see you in this week's Office Hours Meetup on Friday at 15:00 GMT:
https://discord.gg/3BPCwwEK?event=1230210329158484009

See you there!

Aaymen ammari Replacing a TIP112 transistor with a TIP122 transistor should generally be fine,...

wafa_ath•4/18/24, 3:17 PM

the main difference between the TIP112 and TIP122 transistors is the maximum collector current . The TIP122 can handle higher current loads (up to 5A), while the TIP112 is limited to 2A. So i think it fine to replace it ...

Camila_99$$•4/18/24, 6:59 PM

Hello everyone,

I’m looking for feedback on the use of Mh-tiny ATTINY88 cards.
(compatibility / reliability)
Thank you .

CCamila_99$$Hello everyone, I’m looking for feedback on the use of Mh-tiny ATTINY88 cards. ...

aymen ammari•4/18/24, 7:11 PM

You can check this site
https://www.utmel.com/components/how-to-use-attiny88-microcontroller?id=1689

How to use ATTINY88 Microcontroller?

ATTINY88 is 8-bit microcontroller with 8Kbytes In-system Programmable Flash. The controller is designed for high performance and low power consumption and comes in various packages like DIP, QPF, and QPN for different applications. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

Camila_99$$•4/18/24, 7:25 PM

@aymen ammari Okk and have you used it before ???

CCamila_99$$@aymen ammari Okk and have you used it before ???

aymen ammari•4/18/24, 7:59 PM

I used attiny85 I can say it's good in small projects

CChimmuanya Okere When creating a footprint for a component in my PCB Design, what are some practi...

Joseph Ogbonna•4/18/24, 8:06 PM

Go through the component datasheet thoroughly mostly on the package part. And make sure your pin naming is correct to avoid mistakes, later in your design

Ben•4/19/24, 2:41 AM

Hi everyone, has anyone tried using the OpenCV library with an STM32? I just want to make sure it supports this library.

BBen Hi everyone, has anyone tried using the OpenCV library with an STM32? I just wan...

Petr Dvořák•4/19/24, 3:42 AM

It does not seem to be supported. The library needs CPUs with MMU.

Saßì•4/19/24, 3:55 AM

@y0usef_eid @Salahdev @Takieddine BMD @ahmedhamdiaissa @Mohamed @yacineRagueb @Ahmed Aly Hello and welcome! We're curious to learn more about you. Can you introduce yourself and tell us about your profession?

BBen Hi everyone, has anyone tried using the OpenCV library with an STM32? I just wan...

techielew•4/19/24, 4:01 AM

https://github.com/embox/embox/wiki/OpenCV-on-STM32

GitHub

OpenCV on STM32

Modular and configurable OS for embedded applications - embox/embox

PPetr Dvořák It does not seem to be supported. The library needs CPUs with MMU.

Ben•4/19/24, 4:02 AM

@Petr Dvořák Do you think it's better to use a Raspberry Pi with an external ADC, or do you have any other suggestions?

BBen Hi everyone, has anyone tried using the OpenCV library with an STM32? I just wan...

techielew•4/19/24, 4:03 AM

More deets in this medium article: https://medium.com/@deryugin.denis/how-to-run-opencv-on-stm32-mcu-b581f42b0766

Medium

How to run OpenCV on STM32 MCU

In this article I’ll tell how I got OpenCV application running on STM32746G-Discovery and STM32F769I-Discovery.

Ttechielew More deets in this medium article: https://medium.com/@deryugin.denis/how-to-run...

Petr Dvořák•4/19/24, 4:05 AM

OK, so it is somehow supported.

PPetr Dvořák OK, so it is somehow supported.

techielew•4/19/24, 4:56 AM

Yes, but… idk if it’s been proven in anything other than the STM32F7 board mentioned. Article says there is a lot of interest/requests for OpenCV on micros but this appears to be a GSoC project that hasn’t been touched in a while.

Ttechielew Yes, but… idk if it’s been proven in anything other than the STM32F7 board ment...

Petr Dvořák•4/19/24, 5:30 AM

I agree. Perhaps some STM32Mx that can run Linux can also qualify for the OpenCV. That should decide some embedded FW jockey.

PPetr Dvořák I agree. Perhaps some STM32Mx that can run Linux can also qualify for the OpenCV...

Joseph Ogbonna•4/19/24, 8:37 AM

Ya stm32mp2 should be able to do that. It is Linux based.

BBen @Petr Dvořák Do you think it's better to use a Raspberry Pi with an external ADC...

techielew•4/19/24, 11:18 AM

@Umesh Lokhande and @Joseph Ogbonna may have thoughts on this too. This Sunday's Engineering Hour will focus on RPi camera module perhaps we can touch on this then.

Ttechielew @Umesh Lokhande and @Joseph Ogbonna may have thoughts on this too. This Sunday's...

techielew•4/19/24, 11:44 AM

Discussion continued in the hardware channel: https://discord.com/channels/1130679493799977062/1230604933699600495/1230841920784175195

moabozaidAPP•4/19/24, 11:49 AM

Hello everyone
My name is Mohammed & i am from Cairo, Egypt.
I am trying to shift my career to embedded systems, and I am very interested in tech industry
Nice to meet you all

abanditosoulAPP•4/19/24, 11:49 AM

Hello everyone, my name is Chaima, I have a masters degree in Telecommunication Engineering.Currently working in a space company, specifically as an AI Hardware Acceleration Engineer(FPGAs to be more specific). Hope to get to have interesting conversations in here, and learn from you all .

AliAPP•4/19/24, 11:50 AM

My name is Ali, i hold a master's degree in electronics of embedded systems, i have some projects where i used embedded, iot and Cryptography together, currently i want to invest and learn more about the iot field

ManelHasna_haddoud•4/19/24, 1:06 PM

Hi everyone

my name is Manel i have master degree in network engineering and i have some projects in Nextjs firebase tailwind also i recently gratuted from Recoded programme for software development now im working on article about detection of attack in IoT

Saßì•4/19/24, 1:24 PM

Get Ready Guys
Are you a developer looking for work? The deep tech job market has been tough for months.

In this week's Office Hours meetup, @Marcweb from tech recruiting firm Webster & Webster will join us to go over resume/CV and job application best practices. We're looking for a volunteer to submit their resume so we can review and upgrade it live during the session.

post your resume/CV in the #jobs channel for consideration.

Otherwise we'll see you in this week's Office Hours Meetup on Friday at 15:00 GMT:
https://discord.gg/3BPCwwEK?event=1230210329158484009

See you there!

AAli My name is Ali, i hold a master's degree in electronics of embedded systems, i h...

youcef_ali•4/19/24, 1:25 PM

Hi Ali tell me where are you from, tell me about your project i'm curious

MManelHasna_haddoud Hi everyone ✨️my name is Manel i have master degree in network engineering and ...

techielew•4/19/24, 1:28 PM

What are you focused on? DPI or IDS/IPS?

MManelHasna_haddoud Hi everyone ✨️my name is Manel i have master degree in network engineering and ...

techielew•4/19/24, 1:29 PM

I did some research a while ago about honeypots which was super fascinating

Ttechielew What are you focused on? DPI or IDS/IPS?

ManelHasna_haddoud•4/19/24, 1:33 PM

I'm focusing on IDS and I'm using omnet++ to simulate the IoT environment also using the RPL routing protocol

ManelHasna_haddoud•4/19/24, 1:36 PM

the main goal is to detect the attack that happened during the routing phase with ML so I'm trying to create a dataset by the simulation and then detect the attack using ML

MManelHasna_haddoud I'm focusing on IDS and I'm using omnet++ to simulate the IoT environment also...

techielew•4/19/24, 1:39 PM

Awesome omnet++ is new to me I've only ever been exposed to super expensive network simulation tools from commercial vendors. I'll take a closer look.

Okay so you're doing packet inspection then, versus, say, some sort of device-side agent?

JJeremyCook Keep seeing Embedded World pop up. Maybe I can figure out how to get there next ...

techielew•4/19/24, 1:45 PM

Just go to the one in Austin!

Ttechielew Just go to the one in Austin!

JeremyCook•4/19/24, 1:48 PM

Hmm. You planning to go?

techielew•4/19/24, 1:49 PM

yes, just to walk the floor. It's only going to be one hall so a day will do it.

techielew•4/19/24, 1:49 PM

maybe half a day

Soumayukii•4/19/24, 4:09 PM

Thank you @Marcweb ,@techielew and everyone for this valuable event, have a great weekend.

robo_moto_x•4/19/24, 5:50 PM

Hello everyone. I am an EE with 18 years experience. I am working on several projects with rpi and xilinx zynq 7020. I also have a oak-d w/SoM stereo camera i am working on using for supervisory system for a desktop engraver and laser etcher.

Childe•4/19/24, 6:15 PM

Hello everyone, im akram, part time software developer. 2 years flutter experience. have fun with Arduino on my free time.

Ttechielew Awesome omnet++ is new to me I've only ever been exposed to super expensive netw...

ManelHasna_haddoud•4/19/24, 6:24 PM

There are other simulators like NS2 and NS3 that you can use to simulate any network you want. Typically, i set up the IoT environment with a mobile node and use the RPL protocol for the routing phase. Then, you can add malicious behaviours to some nodes so that they launch attacks, such as the blackhole attack, by modifying the RPL protocol. Like in a blackhole attack, these nodes spread false information about the rank to mislead other nodes into reaching certain destinations, and then they drop the packets received from the normal nodes. after that, i will start the phase of packet inspection

CChilde Hello everyone, im akram, part time software developer. 2 years flutter experien...

techielew•4/19/24, 9:46 PM

Welcome, Childe. Nice hair. Is your SW development work with Flutter?

Ttechielew Welcome, Childe. Nice hair. Is your SW development work with Flutter?

Childe•4/19/24, 9:46 PM

Yes

techielew•4/19/24, 9:48 PM

cool, where do you work if you dont mind me asking?

Rrobo_moto_x Hello everyone. I am an EE with 18 years experience. I am working on several p...

techielew•4/19/24, 9:49 PM

Nice! Are you a freelancer or employed?

Ttechielew cool, where do you work if you dont mind me asking?

Childe•4/19/24, 11:04 PM

I'm currently working remote as a mobile developer (for a company)

Saßì•4/20/24, 2:56 AM

@Hossam @3210jr @Ajjj @zaki_belkh @mamoufarouk @Onyeka @Zakioro @DustSlaneR @inactive this period

@eHamzaDZ Welcome aboard! It's wonderful to see you here. Can you introduce yourself and tell us what you do professionally?

Saßì•4/20/24, 7:29 AM

Reminder about Upcoming Event
Save the Time & Date
In this week's Engineering Hour, IoT expert Umesh Lokhande will demonstrate how to capture images and video with the Raspberry Pi Camera Module V3.

During the session, Umesh will:

• Overview the Raspberry Pi V3 Camera Sensor

• Interface to the Latest Camera Module V3

• Capture live images and record videos

• Build an Example Project: Live Streaming video on

RPi4

Join us at 15:00 GMT this Sunday to learn, ask questions, and collaborate with fellow DevHeads.

https://discord.com/invite/q4CbKncf?event=1229436947257102357

VeNom•4/20/24, 9:07 AM

When creating a footprint for a component in my PCB Design, what are some practices I should conside

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