@LMtx are you going to be at Embedded World or Mobile World Congress? You should go to IoT Stars. Sa

@LMtx are you going to be at Embedded World or Mobile World Congress? You should go to IoT Stars. Same for you @InsightMike if you're going to be at either of those shows.

techielewOP•2/21/24, 3:16 PM

https://iotstars.com/

IoT StarsLaurens

IoT Stars | IoT Stars - Meet IoT professionals at exclusive events

A community of IoT professionals sharing knowledge at exclusive events.

Camila_99$$•2/21/24, 3:28 PM

Hii everyone I hope you had a wonderful day!!! I'm exploring capacitive touch sensing for a new project So plz can anyone share experiences with specific touch sensor ICs and provide insights into best practices for reliable touch interfaces?

Ttechielew @LMtx are you going to be at Embedded World or Mobile World Congress? You should...

LMtx•2/21/24, 3:42 PM

Nope, I do not plan to attend those conferences this year.

Satan•2/21/24, 4:09 PM

Hello! I am using this ozone gas sensors in my project - SP3-61-00 | NISSHA FIS

Datasheet: https://cdn.soselectronic.com/productdata/4f/e9/a4ba9434/sp3-61-00.pdf?_gl=1*wel30x*_up*MQ..&gclid=CjwKCAjwnOipBhBQEiwACyGLuh7_RtyaSsyMESC46K4G1zVJpbCmDVCDmFzNDsjNaZQ-jm5dtFET9RoC64kQAvD_BwE

I am so confused from this datasheet respectively from wiring, have anyone got any experience with this sensor?

CCamila_99$$Hii everyone I hope you had a wonderful day!!! I'm exploring capacitive touch se...

Umesh Lokhande•2/21/24, 4:43 PM

Please check QTouch Library with AVR MCUs. More details: https://ww1.microchip.com/downloads/en/Appnotes/QTAN0062.pdf

wafa_ath•2/21/24, 5:51 PM

Hello, i just wanna ask. microcontrollers vs. microprocessors what is the difference in embedded systems, and in what scenarios would you prefer one over the other?"

Wwafa_ath Hello, i just wanna ask. microcontrollers vs. microprocessors what is the differ...

Joseph Ogbonna•2/21/24, 6:21 PM

Microcontroller are for low end embedded applications that don't require much computation. Used in most IoT devices. They have lesser memory that microprocessor, usually in the range of KB and MB. While microprocessor can be used in high end applications like computer boards. Though they have much differences

Wwafa_ath Hello, i just wanna ask. microcontrollers vs. microprocessors what is the differ...

youcef_ali•2/21/24, 6:48 PM

Microcontroller are low-cost and low energy consumption, tz application hostes on microcontrollers are small, and the microprocessor are expensive compared they host generally operating system like unix kernel

UUmesh Lokhande Please check *QTouch Library* with *AVR MCUs.* More details: https://ww1.microch...

Camila_99$$•2/21/24, 8:20 PM

Thank u @Umesh Lokhande

yepeto99•2/21/24, 9:26 PM

Hello everyone I'm a biomedical engineering trying to get into the entrepreneur world.
My main goal for now is to get the most power out of the esp s3. I'm reading some books, forums and groups about the best IDE.

For now I'm between esp IDF and platform IO I'm looking for something in the middle between practicallity and capabilities

Yyepeto99 Hello everyone I'm a biomedical engineering trying to get into the entrepreneur ...

techielewOP•2/21/24, 9:41 PM

Platform IO is going to give you breadth of hardware support if you plan on moving beyond ESP in the future. Another option might be Embeetle, which @kmulier developed. However, you might want to get feedback from @Umesh Lokhande @Aditya thakekar @Joseph Ogbonna and others who actively develop on ESP to get their take.

kristof-at-embeetle•2/21/24, 9:43 PM

Hi, Embeetle IDE here.
@yepeto99 : Embeetle doesn't support the ESP32 microcontrollers yet. We will add them in the future though.

kristof-at-embeetle•2/21/24, 9:56 PM

Hi guys,
everyone here working in KiCAD will certainly remember this feeling:

kristof-at-embeetle•2/21/24, 9:56 PM

kristof-at-embeetle•2/21/24, 9:57 PM

I wrote a Python script to deal with this:

kristof-at-embeetle•2/21/24, 9:57 PM

https://github.com/kristofmulier/kicad_designators

GitHub

GitHub - kristofmulier/kicad_designators: Show all the designators ...

Show all the designators in your KiCAD project. Reveal gaps and modify them if needed. - kristofmulier/kicad_designators

kristof-at-embeetle•2/21/24, 9:58 PM

@Petr Dvořák
Please have a look at this GitHub repo. Let me know what you think about it.

Saßì•2/22/24, 2:09 AM

@Jessieca Rose 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.

Ttechielew Platform IO is going to give you breadth of hardware support if you plan on movi...

Aditya thakekar•2/22/24, 3:20 AM

Open source documentation is extensive on esp32... Try merging esp-idf with tensorflow lite.. AI dataset modelling just skyrockets the applications.

Kkristof-at-embeetle @Petr Dvořák Please have a look at this GitHub repo. Let me know what you think...

Petr Dvořák•2/22/24, 6:01 AM

Thank you for your activity, @kmulier. When adding a new symbol, I prefer keeping the designator with the ? wildcard. Then, after all changes are implemented, the annotation of the entire schematic is done. Or sheet by sheet. Or selected block by selected block. It all depends on the project. Some customers wants different series for different sheets or blocks. If the new kicad_designators plugin works for you well, I am happy!

Accur4te•2/22/24, 6:31 AM

@Umesh Lokhande i say your video about connecting aws to raspberry pi but i am facing a issue how should i solve it

Accur4te•2/22/24, 6:31 AM

i want to connect devices in this format

Accur4te•2/22/24, 6:32 AM

esp32---->mosquitto(mqqt broker on raspi)------>nodered ( pi)-------> aws mqtt server ( using mqqt out on nodered)------->custom dashboard

Accur4te•2/22/24, 6:32 AM

how to setup a mqqt server in aws?

Oonky Yes, I am working on one. Low power device.

Navadeep•2/22/24, 7:10 AM

are you on MSP430FR seires?
I agree with the tediousness coming to MSP libraries and APIs. Not quite intuitive as ST or Renesas. Nordic nRF54 series and SiLabs C8051F have pioneered low power one with radio and other for low-end processing.
During college, I learnt assembly on one of these MSP430FR5994 launchpads from this Prof's YouTube https://www.montana.edu/blameres/

Brock J. LaMeres, Ph.D., PE - Electrical & Computer Engineering Dep...

Oonky I am working on loop powered instrument, max current consumption for the whole c...

Navadeep•2/22/24, 7:12 AM

A 4-20mA loop for sensors? This is a classical industry method for all types of monitoring. They have some theory - no loss in the signal across any distance.

Aaymen ammari Hi!! Does anyone know a better ultrasonic sensor other than the HC-SR05 or its s...

Navadeep•2/22/24, 7:18 AM

I am surprised to not find many. Potential to start a business manufacturing better ones.
check this alternative - https://maxbotix.com/products/mb1230

MaxBotix

MB1230 XL-MaxSonar-EZ3

Ranges from 20cm to 765cm with a 10Hz read rate. Narrow detection field. High noise tolerance.

Aaymen ammari I'm working on MAX30102, does anyone have some advices to improve the accuracy ...

Navadeep•2/22/24, 7:23 AM

Have a look at these. They actually recommend a sequence and guideline to get accurate data:
https://www.analog.com/en/resources/technical-articles/guidelines-for-spo2-measurement--maxim-integrated.html
https://www.analog.com/en/resources/technical-articles/penetration-depth-guide-for-biosensor-applications.html

CCamila_99$$Hii everyone I hope you had a wonderful day!!! I'm exploring capacitive touch se...

Navadeep•2/22/24, 7:28 AM

I have worked on Infineon series of parts and seen their Capsense which is ultimate. Note that it is MCU integrated in their PSoC series of chips and provides and GUI to configure sensitivity, pattern etc. If you're looking for external IC, check https://www.ti.com/product/FDC2214
opens up quite interesting applications.

an beautiful reference design https://www.ti.com/tool/FDC2214PROXSEN-EVM (this actually matters alot - getting the design right just like PCB antennas)

FDC2214 data sheet, product information and support | TI.com

TI’s FDC2214 is a 4-Ch, 28-bit, capacitance to digital converter. Find parameters, ordering and quality information

FDC2214PROXSEN-EVM Evaluation board | TI.com

View the TI FDC2214PROXSEN-EVM Evaluation board description, features, development resources and supporting documentation and start designing.

techielewOP•2/22/24, 9:02 AM

Just a couple days left in our poll folks: https://discord.com/channels/1130679493799977062/1199293807737450538/1208322777757519952

What MCU architecture did you cut your teeth on?

Navadeep•2/22/24, 9:27 AM

Wow - STM32 totally champed! Curious about who those PIC guys are....
I'd like to read a case/business study about the rise of STMicroelectronics, their strategy and ideas. Anyone know it already? Please share - let's chat around.

NNavadeep Wow - STM32 totally champed! Curious about who those PIC guys are.... I'd like t...

techielewOP•2/22/24, 9:54 AM

I'm curious too. It seems ST carved out a lead in the mass market niches for commercial Arm tech.

NNavadeep Wow - STM32 totally champed! Curious about who those PIC guys are.... I'd like t...

techielewOP•2/22/24, 9:57 AM

In a separate but related note, I've just published the meeting thread for this week's Office Hours, which will focus on migrating from maker to professional development platforms and practices, notably for those who started on Arduino: https://discord.com/channels/1130679493799977062/1210162122332442645

Once Arduino started introducing Arm-based devices, ST may have been the closest commercial-grade solution.

NNavadeep Wow - STM32 totally champed! Curious about who those PIC guys are.... I'd like t...

onky•2/22/24, 10:28 AM

I am curious about this too. They have just blown away all the competition. Now with C0 series they are targeting 8 & 16 bit MCU users. Crazy.

NNavadeep are you on MSP430FR seires? I agree with the tediousness coming to MSP librarie...

onky•2/22/24, 10:30 AM

Yes FR series. Never used Nordic or Silicon labs MCUs. Heard that Nordic has no good documentation.

NNavadeep are you on MSP430FR seires? I agree with the tediousness coming to MSP librarie...

onky•2/22/24, 10:31 AM

LaMeres, even I followed his videos on YouTube. These videos are just gold for MSP controllers

NNavadeep A 4-20mA loop for sensors? This is a classical industry method for all types of ...

onky•2/22/24, 10:33 AM

Yes, measurement signals in terms of current. Good for log distances and no suceptible for external noise like voltage signals.

Oonky I am curious about this too. They have just blown away all the competition. Now ...

techielewOP•2/22/24, 10:43 AM

You'd think that 8- and 16-bit platforms would be obsolete by now. Never ceases to amaze me how much runway they have despite all of these super cheap 32-bit options coming to market

Albaphet soup•2/22/24, 11:06 AM

Is /var/cache/apt/archives important? And what will happen if i delete it

Albaphet soup•2/22/24, 11:06 AM

I cant find anything on googles

Albaphet soup•2/22/24, 11:07 AM

Oh it keeps deb files for easy repairs

Albaphet soup•2/22/24, 11:08 AM

Absolutely useless cause it takes just as long redownloading the same thing you never got to use

Ttechielew You'd think that 8- and 16-bit platforms would be obsolete by now. Never ceases ...

onky•2/22/24, 12:07 PM

Exact same though I had 3 years back, but I have seen some niche industries in India they still use 8 bit MCUs. Some people still wants to continue with even 8051 (family).

PPetr Dvořák Thank you for your activity, @kmulier. When adding a new symbol, I prefer keepin...

kristof-at-embeetle•2/22/24, 12:39 PM

Hi @Petr Dvořák ,
I didn't know about the

'?'

'?'

wildcard option for designators in KiCAD. Thank you for pointing that out!
This will already help me for 90% of the cases I struggle with. In my next design, I will for sure use this wildcard to avoid non-matching designator numbers.

However, the other 10% of cases is when a design is "ready" but I forgot to add a component here or there. Last minute changes - you know... I think I can still use my script in those particular circumstances. So the effort is not in vain

Thanks again for pointing out the wildcard option. I learned again something new today.

Kkristof-at-embeetle Hi @Petr Dvořák , I didn't know about the `'?'` wildcard option for designators ...

Petr Dvořák•2/22/24, 1:44 PM

Check all options of the Annotate schematic tool. It pays off and can save a lot of time.

Saßì•2/22/24, 4:20 PM

@Donut -lover

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•2/22/24, 5:26 PM

Friendly Reminder about Upcoming Event
https://discord.com/invite/3KSHgMS6?event=1209191378861555833

Ttechielew Platform IO is going to give you breadth of hardware support if you plan on movi...

yepeto99•2/22/24, 10:52 PM

Perfect thank you for the info I will get in touch with them

yepeto99•2/22/24, 10:54 PM

@Umesh Lokhande @Aditya thakekar @Joseph Ogbonna Wich IDE do you recommend for the multiple esp32 boards? I'm looking for something versatile but capable and preferably without loosing esp functionalities

@LMtx are you going to be at Embedded World or Mobile World Congress? You should go to IoT Stars. Sa

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