DevHeads IoT Integration Server•2y ago

Anyone who is building something low power?

pallavaggarwalOP•2/15/24, 5:54 PM

Hardware or firmware?

Swapn•2/15/24, 8:10 PM

Can anyone explain me about tesla coil

Swapn•2/15/24, 8:11 PM

How can we make tesla coil?

Ppallavaggarwal Anyone who is building something low power?

Joseph Ogbonna•2/15/24, 9:28 PM

Yes, you mean battery power/low powered Chips

SSwapn Hii

techielew•2/15/24, 9:50 PM

What's up Swapn! Welcome! Can you tell us a little about your background? Why do you want to make a Tesla coil anyway?

Ppallavaggarwal Hardware or firmware?

techielew•2/15/24, 9:52 PM

Relative question, but I know that @controls4all is working on building automation solutions based on BeagleBoard, @JKridner actually makes BeagleBoard, @gy4nt works at Balena and probably has a bunch of connections building low power devices. Why do you ask?

techielew•2/15/24, 10:06 PM

Hey @Software Integration friends, there's a new DevHeads Demo out on buildroot/menuconfig with our @abhishek awasthi. If you've got 5 minutes, check out the discussion thread (📦-middleware-and-osDevHeads Demos: Navigating the Buildroot Menuconfig) or the YouTube vid: https://youtu.be/z3CS7xuMwFs !

YouTubeDevHeads

DevHeads Demos: Navigating the Buildroot Menuconfig

If you want a specialized Linux implementation, you want buildroot. It allows devs to trim the fat off the normally-bloated Linux operating system by selecting only the packages they need for a particular application — and thereby reducing footprint and boot time.

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kristof-at-embeetle•2/15/24, 11:00 PM

Some updates about the Tiny Scarab board:

- The first prototype arrived, was tested and it works.

- The enclosure design is ready, including the "graphical overlay membrane". I'll get them produced asap in China.

kristof-at-embeetle•2/15/24, 11:00 PM

Kkristof-at-embeetle Click to see attachment

techielew•2/15/24, 11:19 PM

What's your cost?

kristof-at-embeetle•2/16/24, 12:05 AM

The factories are still closed because of Chinese new year. I will find out more reliable prices next week.

Ttechielew I've been to DesignCon and CES this year and the mTCA Summit in Hamburg at one o...

tahenan•2/16/24, 12:58 AM

Hey, just an idea(if not already implemented), do create a channel for sharing events, workshops, conferences so one can share and maybe participate

Ttahenan Hey, just an idea(if not already implemented), do create a channel for sharing e...

techielew•2/16/24, 1:36 AM

That's a good idea. I had been thinking that such things would just go in the #dev-heads-feed or similar. Maybe the Events tab, though that might get confusing.

Perhaps we create a "resources" channel... What says the group?

techielew•2/16/24, 1:39 AM

Hey guys :waving_hand:
A little over 12 hours 'til our next meetup and we have a topic this week I think everyone will enjoy: "Who is Your Engineering Hero? Identifying, Engaging & Maximizing Technology Mentors"

We hope you'll join us and share. Here's the meeting thread in case you want to drop some thoughts in before, after, or if you can't make it: https://discord.com/channels/1130679493799977062/1207862407028932659

See you tomorrow (or today for some of you)!

JJoseph Ogbonna Yes, you mean battery power/low powered Chips

pallavaggarwalOP•2/16/24, 2:07 AM

Yes

Ppallavaggarwal Yes

Joseph Ogbonna•2/16/24, 2:09 AM

I am

pallavaggarwalOP•2/16/24, 2:10 AM

Great. Do you mind sharing details?

Saßì•2/16/24, 2:24 AM

@Amin Sujan 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.

Ppallavaggarwal Anyone who is building something low power?

onky•2/16/24, 5:43 AM

I am working on one project.

Ppallavaggarwal Great. Do you mind sharing details?

Joseph Ogbonna•2/16/24, 9:21 AM

Ppallavaggarwal Great. Do you mind sharing details?

Umesh Lokhande•2/16/24, 10:22 AM

Hi @pallavaggarwal Just for fun I built a battery-operated handheld calculator around 8-bit ATmega328 MCU. Here is a live demo: https://www.facebook.com/reel/259501753618035

28 reactions · 6 comments | Calculator built around 8-bit ATmega328...

Calculator built around 8-bit ATmega328 Microcontroller. This embedded device powered on 3.7V DC battery and AVR MCU. This project is inspired by "Volos Project". It's an amazing experience to build...

UUmesh Lokhande Hi @pallavaggarwal Just for fun I built a battery-operated handheld calculator a...

pallavaggarwalOP•2/16/24, 10:26 AM

Oh wow, this is great

Ppallavaggarwal Oh wow, this is great👍👍

Umesh Lokhande•2/16/24, 10:29 AM

Thank you, I'm glad you liked it!

pallavaggarwalOP•2/16/24, 10:31 AM

just saw the video

pallavaggarwalOP•2/16/24, 10:31 AM

did u end up making the finished version?

Ppallavaggarwal did u end up making the finished version?

Umesh Lokhande•2/16/24, 10:39 AM

you mean on actual PCB? I have to find time this summer to convert this working circuit from the Protoboard to the real PCB with casing. but I enjoyed this weekend project

pallavaggarwalOP•2/16/24, 10:42 AM

yes, actual PCB version

pallavaggarwalOP•2/16/24, 10:43 AM

it would be great make that func project with latest CH32V003

Ppallavaggarwal it would be great make that func project with latest CH32V003 🙂

Umesh Lokhande•2/16/24, 10:50 AM

Sure, it can be done with CH32V003. All you need is plenty of GPIO Pins for buttons and I2C Pins for OLED Display that's all. Firmware is also very simple. I'll drop the circuit & code later today in case you wish to review. I skipped some capacitors in my case to avoid hand solder.

pallavaggarwalOP•2/16/24, 10:53 AM

Yeah sure. I like you being lazy and leaving poor caps home

pallavaggarwalOP•2/16/24, 10:54 AM

:salute:

John Eric•2/16/24, 11:43 AM

Hey guys, when is todays office hours taking place @here

John Eric•2/16/24, 11:45 AM

And what is it all about?

JJohn Eric Hey guys, when is todays **office hours** taking place @here

Saßì•2/16/24, 12:08 PM

https://discord.com/invite/k4vecfQ9?event=1205552755935154186

d1sc0•2/16/24, 12:59 PM

Hello , im currently working on a small project involving esp32 and mqtt and ive not been able to troubleshoot an issue for a week , where could I get some guidance on the issue

Dd1sc0 Hello , im currently working on a small project involving esp32 and mqtt and iv...

Umesh Lokhande•2/16/24, 1:08 PM

Hi @d1sc0 Feel free to post detailed questions related to ESP32 and MQTT Protocol inside@MCU, MPU & Kits. If it's just a quick tip then dev-chat will be fine

d1sc0•2/16/24, 1:09 PM

Okay thanks , will post

JJohn Eric Hey guys, when is todays **office hours** taking place @here

techielew•2/16/24, 1:32 PM

Hey @John Eric, here’s the topic for today: https://discord.com/channels/1130679493799977062/1207862407028932659: “Who is your engineering hero? Identifying, engaging, and maximizing technology mentors.”

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Saßì•2/16/24, 1:33 PM

@d1sc0 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 Hey @John Eric, here’s the topic for today: https://discord.com/channels/1130679...

John Eric•2/16/24, 1:33 PM

Thanks

JJohn Eric Thanks

techielew•2/16/24, 2:17 PM

Hey @everyone,
We'll be starting this week's Office Hours in about 45 minutes. See the link to join above or in the "Events" tab on the left menu. Come ready to share about your technology mentor!

See you soon!

Saßì•2/16/24, 2:59 PM

Get Ready
https://discord.com/invite/k4vecfQ9?event=1205552755935154186

techielew•2/16/24, 11:00 PM

Hey @wafa, welcome! Tell us a bit about your technical background and any projects you're working on

techielew•2/17/24, 8:04 AM

Hey guys (especially @MCU, MPU & Kits devs), we just launched a new #polls to see what MCU architecture everyone is designing on (or would prefer to be designing on). Check it out: https://discord.com/channels/1130679493799977062/1199293807737450538/1208322777757519952

Ttechielew Hey guys (especially @MCU, MPU & Kits devs), we just launched a new #polls to se...

onky•2/17/24, 8:07 AM

Missing MSP430

Oonky Missing MSP430 😅

techielew•2/17/24, 8:07 AM

If I added it would you vote for it lol?

onky•2/17/24, 8:08 AM

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

onky•2/17/24, 8:09 AM

STM has killed most of the competition. Firmware libs from TI is painful compared to ST

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

techielew•2/17/24, 8:11 AM

* First, let @pallavaggarwal know what you're working on. He was curious about low-power device designs in server.

* Second, I just added a comment on the poll to reply with any device/architecture that's missing. We should track this over time.

* Yes. Everything but ESP and AVR and RP2040 (curious if anyone will comment that last one out :))

Ttechielew * First, let @pallavaggarwal know what you're working on. He was curious about l...

techielew•2/17/24, 8:15 AM

I lied. I actually want to know what your low-power device design is too, @onky lol. And why is it on MSP430?

Anyone who is building something low power?

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