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Development
Section for code samples and interfacing with certain hardware
Configuration & Setup
This section explains some aspects of setting up systems and programs in order to get them functioning as desired. And as a place to come back, when these tasks nee dto be done again.
General use
This section is just a space to memorize some workflows. Usually some commands or how to use programs to perform a task
Unassorted
ESP32-S3 WROOM-1
I've ordered the ESP32-S3 N16R8 from Aliexpress seems standard. But the pinouts are a bit confusing and take some work to figure out.This book explains the different aspects of using this IC and how we got there.https://www.aliexpress.com/item/100500643416848...
QNAP NAS
This book contains procedures on a QNAP NAS system, which might not always be so straightforward or can be forgotten as they're not often done.
Docker
Bookstack
ZeppOS
Some information around ZeppOS. Initially the idea is to send BLE data towards Z100 Vuzix eyewear without an Android phone in between.
Vuzix
Technical exploration of the Z100 AR glasses. Initially, I'm working around Android and implementation in .NET (Blazor) as this is my usual code stack with the purpose to build towards Android.If there is any need or demand for iOS and windows integrations - ...
ESP32-CAM
A cheap board that's useful for some projects that require wifi/bluetooth or camera. https://nl.aliexpress.com/item/1005003804757059.html?spm=a2g0o.order_list.order_list_main.21.137d79d2OEeilL&gatewayAdapt=glo2nld
HackRF One with Portapack H2+
HackRF one is hardware to capture radio waves.The Portapack H2+ adds an interface on top of it, to use it witout PC.
ESP32 LilyGO TT-Display
Blender
Blender is a 3D studio platform
Bambulabs A1 mini
Windows
Life & Cooking
General things discovered or learned while cooking
.NET Development
Placeholder for .NET topics
SVN Server
MySQL
MySQL
Android
VirtualBox
Apple
Errors encountered
Camera interfacing
How to use the camera
Webserver
Introduction
After playing with the demo, sending some text, trying to modify the images, you might start to get inspired to create your own displayed content.And realize, you don't know where to start as the image you try to send to the glasses isn't displayed. Or are fum...
.NET Integration
Examples to get started fairly quickly.I'm trying to be as complete possible - so someone who comes without experience, will not get lost.
LVGL Image
Solving problems
Blazor
Azure
SD Card interfacing
Trying to interface with this onboard SD card slot didn't go as easily as I had expected: it requires a different approach as the basic sample. It only works in "single bit mode". The first thing to do, is to find the pins that are relevant. I could find for...
Container station: Docker access Application
When you use a YAML file to create an Application in Container station, QNAP will create a private network.Hence, you will not be able to connect to it, for example with your nginx proxy forwarder. Go to your Container station Select the application and th...
Link subdomain to docker (NGINX)
This section assumes an NGINX docker and you have setup your DNS to connect to you NAS via a wildcard. 1) Enable Telnet on the NAS in Control Panel 2) Telnet into the NAS, I prefer putty 3) cd into the folder you can easily access or edit (in my c...
Interactive shell (commandline)
Sometimes it's difficult to understand problems within a docker. Like network issues or configurations that need to be adjusted.It's quite easy to log into a docker via command line. 1) open a command line (it can be that you need to activate SSH access) on t...
Install ping tools (for diagnostics)
Ping is an utility to see if another host is reachable.In some cases, dockers can be isolated and it can be daunting to try to understand who can see whom. Using ping can help diagnosing some problems Log into the docker (see interactive-shell-commandlin...
Alter url
Bookstack reads the environment variable "APP_URL", which unfortunately cannot be altered permanently in Container station. So, while you've started with a wrong URL, you will end up trying to set it straight.You can set it your environment variable manually ...
Run in an Iframe
If for some reason you want to run the bookstack in an iframe, you have to modify the .env file to set the allowed urls.This change is instantly and doesn't require the docker or service to be restarted. cd /config/www vi .env
Start from YAML / Docker application
It is possible to quickly setup a docker instance. This will created them into an isolated network - if you want to use an nginx passthrough, you'll need to put them into the same network as nginx container Be aware, that the environment variable APP_URL ...
Case printing
The case made by Eried is the one I have used.Print the front and back revised. I didn't need the internal spacer.I couldn't find the M2.8 screws. So I used M2.5 bolts and they work perfectly. 20mm length came out just too short to stick them through from fron...
Painting an STL without color information
It can be that you import an STL file but want to add color information.Its easy with the bucket and start drawing.
error 0x105(ESP_ERR_NOT_FOUND)
This error can mean either: The camera isn't seated properly The pin configuration is wrong You've selected the wrong board E (893) camera: Camera probe failed with error 0x105(ESP_ERR_NOT_FOUND)Camera init failed with error 0x105 In the case of the E...
Configuration and initialization
There are plenty of examples how to interface with the camera, but you'll find that you'll spend time trying to figure out "why it doesn't work. Where many posts will suggest "you have a faulty model", it's very likely you didn't find the correct pin-out schem...
designator order for field 'xxx' does not match declaration order in 'yyy'
This error occurs when the "order of declared members" is not in the right order.I don't know the rules of this language enough, but it would appear there is a fixed order when you do an inline declaration: This is correct, for example: camera_config_t co...
Getting started
This is a simple example, how to use esp_http_server - probably there are libraries to handle it different.Yet this displays how to connect to the Wifi and start a webserver.And bind a handler to the endpoint "/" - where we reply with a string "hello world" #...
Read querystring
Alter the config, so the uri_match_fn is wildcard match httpd_config_t config = HTTPD_DEFAULT_CONFIG(); config.server_port = 80; config.uri_match_fn = httpd_uri_match_wildcard; httpd_uri_t index_uri = { .uri = "/*", .method ...
How to get started
The easiest way to get started has a few easy steps if you are familiar with Android Studio or building Android applications. If you haven't gone through it before, it might not always be so clear. So this might help you to get through it in a couple of steps...
.NET integration: Vuzix on MAUI
What we'll try to achieve We'll build an integration in MAUI that will hide all the complexity doing interfacing work on Android - and perhaps in a later stage on IOS as well. Microsoft MAUI is a way to build code in C# / .NET and run it on several devices. ...
.NET MAUI Integration: First contact
Introduction On this page, it's assumed you have a MAUI project with the nuget package ready to go. In the end, you will be able to make a simple HTML website that receives text and it will be shown in the Z100 AR glasses.If you don't want to spend time for...
Transform .crt to .cer file
This is a short reminder to go from one to another format in windows.1. Locate your crt file2. double click it, it should open the details of the certificate 3. Go to details, and "Copy to File..." a dialog will prompt which format to generate and where to...
.NET MAUI Integration: Images & Image Size exploration
Introduction At the end of this page, you will generate an image and display it in the glasses. We continue from the previous page. With this resulting project: ExerciseFinal.zip And will end up with this project: ExerciseSendImages.zip - which will allow t...