From 45f9081e6fe0664e26d852f0fd7d2f58cf3cb8d8 Mon Sep 17 00:00:00 2001 From: Josh Conway Date: Fri, 31 May 2024 05:32:44 +0000 Subject: [PATCH] Update file README.md --- README.md | 69 +++++++++++++------------------------------------------ 1 file changed, 16 insertions(+), 53 deletions(-) diff --git a/README.md b/README.md index 7b38b22..5ba89e6 100644 --- a/README.md +++ b/README.md @@ -1,64 +1,27 @@ -Example plain HTML site using GitLab Pages. +This is a GnuRadio SDR project to fully build a RX and TX stack for Meshtastic. -Learn more about GitLab Pages at https://pages.gitlab.io and the official -documentation https://docs.gitlab.com/ce/user/project/pages/. +Now, why would I do this?? ---- +An SDR can decode all the presets at the same time. Real hardware can only decode the preset in which its set to. - - -**Table of Contents** *generated with [DocToc](https://github.com/thlorenz/doctoc)* +An SDR, depending on the amount of bandwidth captured, can decode up to all of 900MHz ISM spectrum for all LoRa channels. We only need to throw CPU at the problem. -- [GitLab CI](#gitlab-ci) -- [GitLab User or Group Pages](#gitlab-user-or-group-pages) -- [Did you fork this project?](#did-you-fork-this-project) -- [Troubleshooting](#troubleshooting) +We can now RX LoRa on non-standard frequencies, like Amateur radio bands with superb propagation. Think 6M or 10M .This also depends on getting the TX flow done. Meshtastic presets do have 250KHz, 125KHz, and 62.5KHz - so this does make LoRa usable for lower bands! - +Dependency: https://github.com/tapparelj/gr-lora_sdr -## GitLab CI -This project's static Pages are built by [GitLab CI][ci], following the steps -defined in [`.gitlab-ci.yml`](.gitlab-ci.yml): +![](public/US_all_preset_capture.png) -``` -image: busybox -pages: - stage: deploy - script: - - echo 'Nothing to do...' - artifacts: - paths: - - public - expire_in: 1 day - rules: - - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH -``` -The above example expects to put all your HTML files in the `public/` directory. +1. Download and install https://github.com/tapparelj/gr-lora_sdr +2. To install, clone the repo to your area of choosing. +3. Inside there is a "gnuradio scrips/RX" directory with 8 files. Some are US and others are EU. +4. Open the 250KHz respective to your area +5. Change the Source block to the hardware you have. This may be a RTL-SDR, HackRF, USRP, LimeSDR. You might have to install the driver if it's custom hardware. +5. Check for errors. Once good, run the script! You'll see data in console as its being evaluated. +6. To get data OUT of GnuRadio, connect to the respective TCP ports from 20000-20007 for the specific Preset type. +7. You can take this in whatever program you wish, but I provide a very rough Node-Red flow to parse a part of the data. -## GitLab User or Group Pages - -To use this project as your user/group website, you will need one additional -step: just rename your project to `namespace.gitlab.io`, where `namespace` is -your `username` or `groupname`. This can be done by navigating to your -project's **Settings**. - -Read more about [user/group Pages][userpages] and [project Pages][projpages]. - -## Did you fork this project? - -If you forked this project for your own use, please go to your project's -**Settings** and remove the forking relationship, which won't be necessary -unless you want to contribute back to the upstream project. - -## Troubleshooting - -1. CSS is missing! That means that you have wrongly set up the CSS URL in your - HTML files. Have a look at the [index.html] for an example. - -[ci]: https://about.gitlab.com/gitlab-ci/ -[index.html]: https://gitlab.com/pages/plain-html/blob/master/public/index.html -[userpages]: https://docs.gitlab.com/ce/user/project/pages/introduction.html#user-or-group-pages -[projpages]: https://docs.gitlab.com/ce/user/project/pages/introduction.html#project-pages +![](public/nodered_data_capture.png) \ No newline at end of file