makvoid’s gists

makvoid / main.py

Created September 23, 2022 04:40

Internet-controllable LED Strip MicroPython code

	from config import config
	from machine import SPI, Pin
	from micropython_dotstar import DotStar
	from network import WLAN, STA_IF
	from time import sleep, time
	import uwebsockets.client

	# Setup the network
	...

makvoid / websocket-server.js

Created September 23, 2022 04:38

Internet-controllable LED Strip WebSocket Server

	const { readFileSync } = require('fs')
	const { createServer } = require('https')
	const { WebSocketServer } = require('ws')

	// Brightness value the DotStar should use (should be 0.0 - 1.0)
	const BRIGHTNESS = 0.1

	// Create server for WSS (listen port is set at the end of the file)
	const server = createServer({
	cert: readFileSync('/etc/ssl/certs/your-domain.dev.crt'),

makvoid / run-camera-util.py

Last active July 10, 2022 20:30

Arducam 64MP running the camera utility

	$ python3 -m pip install readchar v4l2-fix
	$ python3 control.py

	Information:
	--------------
	Focus: 240
	Zoom: 0

	Hotkeys:
	--------------

makvoid / arducam_64mp_list_cameras.sh

Last active July 8, 2022 05:20

Arducam 64MP list cameras output

	$ libcamera-still --list-cameras
	[3:04:51.771767236] [17736] INFO Camera camera_manager.cpp:293 libcamera v0.0.0+3572-e13ccdd5
	[3:04:51.777781516] [17737] WARN CameraSensorProperties camera_sensor_properties.cpp:163 No static properties available for 'arducam_64mp'
	[3:04:51.777826978] [17737] WARN CameraSensorProperties camera_sensor_properties.cpp:165 Please consider updating the camera sensor properties database
	[3:04:51.778138122] [17737] ERROR CameraSensor camera_sensor.cpp:591 'arducam_64mp 10-001a': Camera sensor does not support test pattern modes.
	[3:04:51.808715087] [17737] WARN RPI raspberrypi.cpp:1263 Mismatch between Unicam and CamHelper for embedded data usage!
	[3:04:51.809251321] [17737] ERROR DelayedControls delayed_controls.cpp:87 Delay request for control id 0x009a090a but control is not exposed by device /dev/v4l-subdev0
	[3:04:51.809469781] [17737] INFO RPI raspberrypi.cpp:1386 Registered camera /base/soc/i2c0mux/i2c@1/arducam_64mp@1a to Unicam device /dev/media3 and ISP device /de

makvoid / arducam_64mp_install.sh

Created July 8, 2022 04:04

Arducam 64MP Install steps

	# Add 'dtoverlay=vc4-kms-v3d,cma-512' to the '[all]' section
	$ sudo nano /boot/config.txt
	# Reboot to load the change
	$ sudo reboot now
	# Download the install script
	$ wget -O install_pivariety_pkgs.sh https://github.com/ArduCAM/Arducam-Pivariety-V4L2-Driver/releases/download/install_script/install_pivariety_pkgs.sh
	# Mark the script as executable
	$ chmod +x install_pivariety_pkgs.sh
	# Install libcamera-dev
	$ ./install_pivariety_pkgs.sh -p libcamera_dev

makvoid / libcamera-vid-to-ffmpeg-examples.sh

Created July 8, 2022 01:07

libcamera-vid to FFMPEG example commands

	# h264
	$ libcamera-vid -t 0 --width 1920 --height 1080 --autofocus -o - \| ffmpeg -i - -f alsa -ac 1 -itsoffset 5 -i hw:1,0 -vcodec copy -acodec aac -strict -2 out.flv
	# MJPEG
	$ libcamera-vid -t 0 --width 1920 --height 1080 --autofocus --codec mjpeg -o - \| ffmpeg -i - -f alsa -ac 1 -itsoffset 5 -i hw:1,0 -vcodec copy -acodec aac -strict -2 out.mp4
	# YUV420
	$ libcamera-vid -t 0 --width 1920 --height 1080 --autofocus --codec yuv420 -o - \| ffmpeg -f rawvideo -pix_fmt yuv420p -s:v 1920x1080 -r 30 -i - -f alsa -ac 1 -itsoffset 5 -i hw:1,0 -vcodec copy -acodec aac -strict -2 out.avi

makvoid / algolia-react-hooks-hit-count.js

Last active July 5, 2022 16:56

App.js example using InstantSearch React hooks with useHits

	import algoliasearch from 'algoliasearch/lite';
	import {
	Configure,
	Highlight,
	Hits,
	useHits, // Add import here
	Index,
	InstantSearch,
	SearchBox,
	Pagination,

makvoid / hdb-sign-guide-final-setup-step-2.sh

Created June 16, 2022 02:34

Final setup and configuration (step 2)

	# Extract the user-interface package
	$ tar zxf ui_package.tgz
	# Move the package to its final location
	$ sudo mv dist /opt/signs-user-interface && chown -R dietpi. /opt/signs-user-interface
	# Install the systemd services
	$ sudo mv /opt/signs-user-interface/services/*.service /usr/lib/systemd/system/
	# Reload systemd so it can load the new services
	$ sudo systemctl daemon-reload
	# Ensure your configuration file is present (the configuration can be downloaded via the Frontend on the Device’s page)
	$ nano /home/dietpi/.sign_config.json

makvoid / hdb-sign-guide-final-setup-step-1.sh

Created June 16, 2022 02:33

Final setup and configuration for the Device (step 1)

	$ cd user-interface
	$ yarn && yarn package
	$ scp ui_package.tgz [email protected]:/home/dietpi

makvoid / hdb-sign-guide-installing-device-extras.sh

Created June 16, 2022 02:31

Installing extra requirements for the Device

	# Download and install NVM
	$ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh \| bash
	# Load NVM
	$ export NVM_DIR="$HOME/.nvm"
	$ [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
	$ [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
	# Install Node
	$ nvm install 14.19.1
	# Finally, install unclutter
	$ sudo apt install -y unclutter

Michael K makvoid