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  • (edited) Transcript for ESP32 HackChat

  • Jørgen Kragh Jakobsen says:16 minutes agoHi spriteSprite_tm says:14 minutes agoSo, I'm kinda new to these kind of chats... what's the idea, I just start answering the things in the spreadsheets? Or are you going to pelt me with questions live? I'm...
  • Hack Chat Transcript, Part 2

  • Bil Herd12:36 PMWell crap that didnt work Bil Herd12:36 PM I blame Google Bil Herd12:37 PM Bil Herd12:38 PMSo these images show a trace above a ground plane and the field around it. Nicolas Tremblay12:38 PMGot it, thanks Dave Blundell12:38 PMstrawberry...
  • Hack Chat Transcript, Part 1

  • OK everyone, let's get started! My name is Dan Maloney, I'll be your mod today for our Hack Chat with Adafruit on the ESP32-S2. Looks like we have @limor (LadayAda) and @tannewt (Scott) here. We've also got a live stream on YouTube, so tune into that...
  • Hack Chat Transcript, Part 1

  • Dan Maloney12:00 PMOK, let's kick it off. Welcome to the Hack Chat, I'm Dan, Dusan and I will be moderating today as we welcome Amy Qian to the chat. We're going to talk all about compliant mechanisms and flexures, and I assume a little about bendy straws...
  • Hack Chat Transcript, Part 1

  • Erin RobotGrrl11:35 AMHi!!! Does the project page have to be created in the time frames listed? (asking for friends who are interested) Matteo Borri11:51 AMHello! @Erin RobotGrrl - Majenta will be on with us in a few minutes, she can give you the details...
  • Hack Chat Transcript, Part 1

  • Dillon He5:00 PMHi OK, 5:00 PM here, so let's get started. I want to welcome Dillon He from EasyEDA to the Hack Chat today, and thank him very much for accommodating us by switching his schedule around. We'll have to work around his slow internet, but...
  • ESP32 RTOS + Bare Metal: Best of Both Worlds?

  • Ever since I finished working on the latency tests & improvement, I've been working on trying to free up the 2nd core from its FreeRTOS duty by running it bare metal as originally demonstrated by @Daniel  with #Bare metal second core on ESP32. I...
  • We got UART!

  • I did this as soon as I got the router. I first took a look at the board and tried to find a serial port of some kind following devttys0's excellent guide. I took me a while to realize that the port wasn't any of the empty slots I so much tried to use,...
  • Physical layer : wireless communication

  • Theory Channel capacity Shannon-Hartley law: where C is channel capacity [bps], B is bandwidth [Hz] and S/N is signal/noise ratio. Example: dPMR (C = 4800bps, B=6250Hz).  So S/N must be at least 0.70. Number of bits/symbol needed Nyquist's Theorem...
  • Hack Chat Transcript, Part 2

  • Erin RobotGrrlApr-13 12:48 PM:D Tom DowadApr-13 12:48 PMI'm sure he has a few projects of his own... Majenta StrongheartApr-13 12:48 PMIncase anyone doesn't know, he is part of the 2018 winning team :-) Tom DowadApr-13 12:49 PMGee James, I've got this...