anyone has experience with IR transmitter I want to build a project with it and I have no ideas, any

anyone has experience with IR transmitter I want to build a project with it and I have no ideas, any suggestions??

LMtx•4/15/24, 1:56 PM

Visibility - is the single most important benefit of utilizing IoT capabilities for business stakeholders.

Connected devices provide real-time visibility into technical and business processes. This constant stream of data is crucial for enterprises as it enables operations optimization during subsequent stages.

Additionally, IoT data acquired from connected products enables businesses to understand customer behavior, preferences, and trends - essential knowledge for tailoring marketing strategies and improving customer engagement.

Naturally, IoT provides a wealth of other business gains, like asset monitoring, but all of them are delivered from increased visibility.

What would be the second most important benefit of utilizing IoT for business?

Aaymen ammari anyone has experience with IR transmitter I want to build a project with it and ...

wafa_ath•4/15/24, 4:14 PM

You can do remote control... It's fun

kristof-at-embeetle•4/15/24, 6:13 PM

kristof-at-embeetle•4/15/24, 6:13 PM

kristof-at-embeetle•4/15/24, 6:20 PM

We also met Calista Redmond from RISC-V:

kristof-at-embeetle•4/15/24, 6:20 PM

kristof-at-embeetle•4/15/24, 6:21 PM

And Jeff Child from All About Circuits:

kristof-at-embeetle•4/15/24, 6:21 PM

electro_coco•4/15/24, 6:47 PM

How to earn stable money as embedded developer

Wwafa_ath You can do remote control... It's fun

aymen ammariOP•4/15/24, 6:50 PM

In IR, the receiver and transmiter should not be blocked by any opstacle right?

Eelectro_coco How to earn stable money as embedded developer

techielew•4/15/24, 8:03 PM

@Petr Dvořák and @Umesh Lokhande will have differing perspectives on this, coming from product vs service sides.

This is a good question that we discuss a lot on our Office Hours meetups, Fridays at 15:00 UTC. You can join them here: https://discord.gg/GXb4YvSR?event=1226867578287296544

Eelectro_coco How to earn stable money as embedded developer

Petr Dvořák•4/16/24, 4:06 AM

Well, that's a one-million-dollar question. Let's discuss more on Friday, at 3:00 UCT.

khalid•4/16/24, 4:31 AM

Kkhalid Hi

techielew•4/16/24, 5:14 AM

Welcome!

youcef_ali•4/16/24, 6:34 AM

Good morning team, please i need your help, i need ppg electronic circuits

Yyoucef_ali Good morning team, please i need your help, i need ppg electronic circuits

Marvee Amasi•4/16/24, 6:55 AM

Hi @youcef_ali , What's ppg?

MMarvee Amasi Hi @youcef_ali , What's ppg?

youcef_ali•4/16/24, 7:00 AM

it is photopléthysmographie (ppg), it is used to track heart activities

youcef_ali•4/16/24, 7:00 AM

it is an analog circuit

Yyoucef_ali it is photopléthysmographie (ppg), it is used to track heart activities

Marvee Amasi•4/16/24, 7:03 AM

Are you looking for information on how to build PPG electronic circuits or where to find them?

youcef_ali•4/16/24, 7:03 AM

i need the schematics

Yyoucef_ali i need the schematics

Marvee Amasi•4/16/24, 7:08 AM

Oh okay , I think researchGate , they could have samples of that .

Yyoucef_ali i need the schematics

Marvee Amasi•4/16/24, 7:09 AM

https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.researchgate.net/figure/Schematic-of-PPG-front-end-circuit_fig1_221917270&ved=2ahUKEwjwhPH3lcaFAxV9XUEAHePMDDUQFnoECBMQAQ&usg=AOvVaw0jiHALOmz6qwLTGMtYhU_f

Just hope this would be helpful

youcef_ali•4/16/24, 7:12 AM

I found a lot of circuits what i need to know for example the filter frequency how it is selected based on what, and the amplifier gain how it is selected

PPetr Dvořák Well, that's a one-million-dollar question. Let's discuss more on Friday, at 3:0...

electro_coco•4/16/24, 9:26 AM

3:00 uct am or pm?

Eelectro_coco 3:00 uct am or pm?

Petr Dvořák•4/16/24, 9:28 AM

Yyoucef_ali I found a lot of circuits what i need to know for example the filter frequency h...

techielew•4/16/24, 12:05 PM

@ShreeshaN may be able to provide some input here

Yyoucef_ali I found a lot of circuits what i need to know for example the filter frequency h...

ShreeshaN•4/16/24, 12:09 PM

Is there a reason to go with analog circuits, they are available as digital sensors I think?

techielew•4/16/24, 12:12 PM

Any @MCU, MPU & Firmware devs have experience debugging Cortex-M4F? @ddmiller3 needs some help figuring out why he can’t write to flash. He’s using a JLink probe to debug.

🪲-firmware-and-baremetalHow do you debug a bricked Arm device (Unbricking a bricked Arm Cortex M4)

Camila_99$$•4/16/24, 1:37 PM

Hi everyone, Working on a project involving DC current measurement (up to 5A), I tested the ACS712 current sensor but the result is not stable. I have a variation of +/- 500mA. I’m not specifically looking for precision but rather measurement stability. Is there a more stable alternative? I thought about using a 1mohm shunt coupled with an op-amp like the LMV358. What do you think?

Stuart Cording•4/16/24, 1:52 PM

Hi All, this is Stuart, the "Electronics Reporter". I'm an electronics engineer and currently spend some time working for the trade press (like Elektor) looking at new products and technologies and interviewing engineers.

CCamila_99$$Hi everyone, Working on a project involving DC current measurement (up to 5A), I...

aymen ammariOP•4/16/24, 1:54 PM

Try using LA25-p it's more accurate

aymen ammariOP•4/16/24, 1:57 PM

https://youtu.be/kiKbcGBL8iQ?si=MTO-IIfKPjc8qpb2

YouTubeAbdelrahman Farghly

LA 55 P current sensor

F28379D LaunchPad DSP playlist videos
https://www.youtube.com/playlist?list=PLUSE6w0Kh7fKkfyzKIF00IQRHhdHkQIUr

Accur4te•4/16/24, 2:10 PM

Which is the ideal iot protocol for battery powered sensors and suitable to be installed in factories ?

Saßì•4/16/24, 2:17 PM

Friendly reminder about Upcoming Event
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AAccur4te Which is the ideal iot protocol for battery powered sensors and suitable to be i...

boualleg sabrina•4/16/24, 2:35 PM

I think ZigBee because it's known by it's low power consumption

wafa_ath•4/16/24, 2:53 PM

Hello everyone, am doing metal detector using Arduino, can u segest a kit or sensor i can use to detect with it

SStuart Cording Hi All, this is Stuart, the "Electronics Reporter". I'm an electronics engineer ...

Navadeep•4/16/24, 4:34 PM

Hi Stuart! Your fan here :salute:

Yyoucef_ali I found a lot of circuits what i need to know for example the filter frequency h...

Navadeep•4/16/24, 4:38 PM

you can use simulator like TINA-TI with say a programmable gain amplifier (ex: PGA849) and try to tune it. even filter frequency you can evaluate there once you decide what is your frequency of interest and choose a type of filter(lowpass, bandpass).

Navadeep•4/16/24, 4:39 PM

likely the signal will follow this sequence.

sensor/detector --> pass filter(pick desired freq band) --> more filter stages? --> Amplifier(programmable gain if your reception response is dynamic) --> sampling with ADC

Wwafa_ath Hello everyone, am doing metal detector using Arduino, can u segest a kit or sen...

JeremyCook•4/16/24, 5:01 PM

Hello - this is a friend of mine's kit/design: https://www.tindie.com/products/fourbitindustries/metal-detector-learn-to-solder-kit/

maybe it will give you some ideas.

Tindie

Metal Detector - Learn to Solder Kit by Four Bit Industries on Tindie

Make a metal detector and go hunt for treasure!

nour_oud•4/16/24, 5:17 PM

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wafa_ath•4/16/24, 5:36 PM

Interesting

Camila_99$$•4/16/24, 7:52 PM

@aymen ammari I just watched the video, thank you for your effort

CCamila_99$$@aymen ammari I just watched the video, thank you for your effort 🤩

aymen ammariOP•4/16/24, 7:52 PM

You're very welcome

Camila_99$$•4/16/24, 7:55 PM

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Camila_99$$•4/16/24, 7:56 PM

Save this and thank me later !

soulaimen•4/16/24, 9:51 PM

Ssoulaimen Hi

aymen ammariOP•4/16/24, 9:55 PM

Hii, how are you

Suhaib•4/16/24, 10:23 PM

anyone has experience with IR transmitter I want to build a project with it and I have no ideas, any

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