Big tech is transforming every aspect of our world. But how, and at what cost? This season of Land of the Giants – The Disney Dilemma – focuses on Disney’s ability to weather the ups and downs of the business cycle and changing tastes and explores what has kept it successful for over 100 years. The entertainment giant has leveraged nostalgia and its intellectual property to build a beloved brand, but after an acquisition spree that included Marvel, Lucasfilm, and 20th Century Fox, can it sus ...
…
continue reading
Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.
Player FM -팟 캐스트 앱
Player FM 앱으로 오프라인으로 전환하세요!
Player FM 앱으로 오프라인으로 전환하세요!
#667 – Long Distance with CNLohr-a
Manage episode 419846047 series 2133
Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.
Welcome back, CNLohr!
- CNLohr was on the last episode talking about the CH32V003 part and the CH32V003fun library
- Charlieplexed errings
- Fast iteration
- Lohr-a…LoRa…get it?
- LoRa
https://www.youtube.com/watch?v=eIdHBDSQHyw
- Started in January 2024 with discussions with mustardtiger / Frank
- Charles had done Wifi long range before
- Also FM from ATTINY85
- Ethernet + AM
- Radio signals without radios
- USB
- Harmonics
- LolRa
- Upchirps / downchirps
- 903.825 – 903.975 mhz
- Michael Ossmann talk
- LoRa doesn’t do code matching
- JP Norair talking about LoRaWAN / DASH7
- Tool / emulator for the airwaves
- 3 lines of the repo
- Tool to create tables
- There are two 2 lookup tables (up and downchirps)
- Table is different for differnet spreading factors and base frequencies
- Andreas Spiess LoRa/LoRaWAN distance attempts
- Spreading Factor — can’t past SF10 on this setup for unknown reason
- AirSpy
- Matt Knight
- LoRaWAN — protocol vs network
- The Things Network / Helium
- Activation by personalization
- Nesting dolls of encryption
- New parts CH32V002 (also, -005, -006. -007)
- Charles is excited about the op amp on the CH32V006 that has 64 MHz GBW
- CH32V203 – 144 MHz – $0.24, has usb xcvr
- CH32X035 is self clocking – best low cost option for USB
- All are supported in library now
- Community – CNLohr discord
- Porting examples for the parts using the technical reference manual
- MNIST database – handwriting recognition system
- Announcement post on CNX about the new parts
- It’s possible to hook up parts directly through the 1 pin SWIO, so you can hot-load firmware
- Writing code onto a “scratch pad”
- Want to see more CNLohr experiements online?
- Youtube.com/cnlohr
- discord: cnlohr reach out for invite
- Github
272 에피소드
Manage episode 419846047 series 2133
Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Dave Jones & Chris Gammell, Dave Jones, and Chris Gammell 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.
Welcome back, CNLohr!
- CNLohr was on the last episode talking about the CH32V003 part and the CH32V003fun library
- Charlieplexed errings
- Fast iteration
- Lohr-a…LoRa…get it?
- LoRa
https://www.youtube.com/watch?v=eIdHBDSQHyw
- Started in January 2024 with discussions with mustardtiger / Frank
- Charles had done Wifi long range before
- Also FM from ATTINY85
- Ethernet + AM
- Radio signals without radios
- USB
- Harmonics
- LolRa
- Upchirps / downchirps
- 903.825 – 903.975 mhz
- Michael Ossmann talk
- LoRa doesn’t do code matching
- JP Norair talking about LoRaWAN / DASH7
- Tool / emulator for the airwaves
- 3 lines of the repo
- Tool to create tables
- There are two 2 lookup tables (up and downchirps)
- Table is different for differnet spreading factors and base frequencies
- Andreas Spiess LoRa/LoRaWAN distance attempts
- Spreading Factor — can’t past SF10 on this setup for unknown reason
- AirSpy
- Matt Knight
- LoRaWAN — protocol vs network
- The Things Network / Helium
- Activation by personalization
- Nesting dolls of encryption
- New parts CH32V002 (also, -005, -006. -007)
- Charles is excited about the op amp on the CH32V006 that has 64 MHz GBW
- CH32V203 – 144 MHz – $0.24, has usb xcvr
- CH32X035 is self clocking – best low cost option for USB
- All are supported in library now
- Community – CNLohr discord
- Porting examples for the parts using the technical reference manual
- MNIST database – handwriting recognition system
- Announcement post on CNX about the new parts
- It’s possible to hook up parts directly through the 1 pin SWIO, so you can hot-load firmware
- Writing code onto a “scratch pad”
- Want to see more CNLohr experiements online?
- Youtube.com/cnlohr
- discord: cnlohr reach out for invite
- Github
272 에피소드
모든 에피소드
×플레이어 FM에 오신것을 환영합니다!
플레이어 FM은 웹에서 고품질 팟캐스트를 검색하여 지금 바로 즐길 수 있도록 합니다. 최고의 팟캐스트 앱이며 Android, iPhone 및 웹에서도 작동합니다. 장치 간 구독 동기화를 위해 가입하세요.