DevHeads IoT Integration Server•2y ago

@Petr Dvořák high speed design?

AAditya thakekar @Petr Dvořák high speed design?

Petr Dvořák•2/15/24, 1:42 PM

What do you mean?

Aditya thakekarOP•2/15/24, 1:44 PM

FPGA

Navadeep•2/15/24, 3:13 PM

KiCAD is a rockstar! There's nothing that limits it from high-speed design. Just that the high-speed design features like length-matching of differential pairs aren't very interactive and friendly but does the job. Also, I observed that there is a lot of room for optimization in layer switching, speed of routing etc. as the board goes denser (talking about anything above 12 layers)

Oonky Yes, I am using KiCad since last 4 years. But not sure about advanced PCB design...

Navadeep•2/15/24, 3:24 PM

The resolution for this I use is to make the design blocks modular(both in schematic and layout). Create several projects(sch and layout) of the blocks that you think is possibly repeatable. For example: a TPS5432 switching regulator block designed once following datasheet guidelines.
Then as you want to include it in different main projects, add a hierarchical sheet and give the schematic path of that common repeatable block you created. You can apply the same layout multiple times as well in the board.

We use git source control here to navigate across projects i.e, different repositories and a common folder having all these modular block projects which can be used through hierarchical sheets. This partially addresses your problem by not making you do the same thing multiple times in multiple boards/projects.

Saßì•2/15/24, 3:33 PM

Reminder about Upcoming Event
https://discord.com/invite/PhxvqQgx?event=1205552755935154186

NNavadeep Hmmm. EDA industry acquisition in steroids https://stocks.apple.com/Ak5c9HIpzR...

techielew•2/15/24, 3:51 PM

This was a really good move by Renesas. It'll give them an in to a lot of embedded markets where they're currently shut out.

techielew•2/15/24, 3:52 PM

I wasn't aware Altium was looking to be sold

NNavadeep The resolution for this I use is to make the design blocks modular(both in schem...

onky•2/15/24, 4:29 PM

So if I add another project, block, into a hierarchical sheet of other project will it also copies the layout or just schematic?

Oonky So if I add another project, block, into a hierarchical sheet of other project w...

Navadeep•2/15/24, 4:34 PM

Just schematic. For layout you got to do separately during that phase of the design. There is a inirect way to do that - replicate layout using KiCAD plugin(not an official feature yet). This plugin allows you to click on any component(in the layout) from the block you replicated and hit on the apply button through that plugin https://github.com/MitjaNemec/ReplicateLayout (i use a different flavor of this plugin customized for the use case)

GitHub

GitHub - MitjaNemec/ReplicateLayout

Contribute to MitjaNemec/ReplicateLayout development by creating an account on GitHub.

NNavadeep Just schematic. For layout you got to do separately during that phase of the des...

onky•2/15/24, 4:35 PM

Great thanks. I will check it out.

Ttechielew This was a really good move by Renesas. It'll give them an in to a lot of embedd...

Navadeep•2/15/24, 4:40 PM

Yeah right...they're quite a growing semiconductor company now - ramping up from the last 4 quatres. Stock valuation doubled in value in 2023.

Cool fact: the newest Arduino comes with RA4M1 (haven't seen it around a lot though) https://store.arduino.cc/products/uno-r4-wifi

Arduino Official Store

Arduino® UNO R4 WiFi

The Arduino UNO R4 WiFi combines the processing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless connectivity power of the ESP32-S3 from Espressif. On top of this, the UNO R4 WiFi offers an on-board 12x8 LED matrix, Qwiic connector, VRTC, and OFF pin, covering all potential

Swapn•2/15/24, 4:52 PM

Hii

Swapn•2/15/24, 4:52 PM

I am new here

Swapn•2/15/24, 4:53 PM

What was a topic for discussion?

SSwapn What was a topic for discussion?

Navadeep•2/15/24, 5:47 PM

Anything but random - curious about tech stuff. Got a topic to bring up?
#dev-chat revolves around whatever one can talk from a developer standpoint.

pallavaggarwal•2/15/24, 5:54 PM

Anyone who is building something low power?

pallavaggarwal•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.

If you're new to buildroot, one of the first things you'll encounter is the menuc...

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

pallavaggarwal•2/16/24, 2:07 AM

Yes

Ppallavaggarwal Yes

Joseph Ogbonna•2/16/24, 2:09 AM

I am

pallavaggarwal•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...

pallavaggarwal•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!

pallavaggarwal•2/16/24, 10:31 AM

just saw the video

pallavaggarwal•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

pallavaggarwal•2/16/24, 10:42 AM

yes, actual PCB version

pallavaggarwal•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.

pallavaggarwal•2/16/24, 10:53 AM

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