Lup Yuen Lee 李立源 @lupyuen@qoto.org

Apache #NuttX RTOS 12.1 released ... Supports #PinePhone touchscreen 🎉

https://nuttx.apache.org/releases/12.1.0/

#NimLang on Apache #NuttX RTOS 👍

Source: https://github.com/apache/nuttx-apps/blob/master/examples/hello_nim/hello_nim_async.nim

Testing #PinePhone's 4G LTE Modem over USB ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/lte?10#test-usb-with-nuttx

GPT4All works OK on Termux 👍

GPT4All: Local Clone of ChatGPT based on LLaMa (Linux / macOS / Windows)

Download: https://github.com/nomic-ai/gpt4all

Talking to #PinePhone's 4G LTE Modem over UART ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/lte?9#test-uart-with-nuttx

We can't read the Status reliably from #PinePhone's 4G LTE Modem ... Let's check the UART instead

Article: https://lupyuen.github.io/articles/lte?8#is-lte-modem-up

Let's check if Apache #NuttX RTOS has powered up #PinePhone's 4G LTE Modem

Article: https://lupyuen.github.io/articles/lte?8#is-lte-modem-up

Here's how we power up #PinePhone's 4G LTE Modem ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/lte?7#power-up-wth-nuttx

#PinePhone's 4G LTE Modem has more pins than a Bowling Alley! (Almost) ... Here's how they power up the modem

Article: https://lupyuen.github.io/articles/lte?6#power-on-lte-modem

Here's how we validate an Apache #NuttX Release ... We need your help! 🙏

Article: https://lupyuen.github.io/articles/pr#appendix-validate-nuttx-release

#PinePhone's 4G LTE Modem outputs 1.8 Volts ... Because some SIM Cards run on 1.8 Volts

Article: https://lupyuen.github.io/articles/lte?5#power-output

Soft Switch for powering up #PinePhone's 4G LTE Modem, Nokia-style

Article: https://lupyuen.github.io/articles/lte?5#lte-modem-power

#PinePhone's 4G LTE Modem is powered by these pins

Article: https://lupyuen.github.io/articles/lte?5#lte-modem-power

🤔 "Concise dialect of English"

AI understands my articles on PinePhone and NuttX 👍

#PinePhone controls its 4G LTE Modem ... With these GPIO Pins

Article: https://lupyuen.github.io/articles/lte?4#control-pins-for-lte-modem

#PinePhone's 4G LTE Modem has UART, USB and PCM interfaces ... For 4G Mobile Data and Digital Audio

Article: https://lupyuen.github.io/articles/lte?3#data-interfaces-for-lte-modem

#PinePhone's 4G LTE Modem accepts AT Commands ... Over UART (slower) and USB (faster)

Article: https://lupyuen.github.io/articles/lte?2#quectel-eg25-g-lte-modem

Inside #PinePhone is the Quectel EG25-G 4G LTE Modem ... Let's talk about the modem in this article

Article: https://lupyuen.github.io/articles/lte?1