robinvanemden

# Install aarch64 cross depedencies based on Jetpack 4.4
# Dependencies require cuda-toolkit-10.2 which isn't installed in nvidia docker container
# It contains cuda-compat instead. However deb files currently depend on cuda-toolkit alone.
# Hence force dpkg configure
RUN wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-cross-aarch64-10-2_10.2.89-1_all.deb && \
    wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-cross-aarch64_10.2.89-1_all.deb && \
    wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-cudart-cross-aarch64-10-2_10.2.89-1_all.deb && \
    wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-cufft-cross-aarch64-10-2_10.2.89-1_all.deb && \
    wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-cupti-cross-aarch64-10-2_10.2.89-1_all.deb && \
    wget https://repo.download.nvidia.com/jetson/x86_64/pool/r32.4/c/cuda/cuda-curand-cross-aarch64-10-2_10.2.89-1_all.deb && \

robinvanemden

from http://industrialinternet.co.uk/node-red/adding-https-ssl-to-node-red/

- go to .node-red directory
- create a public directory: mkdir public
- go to public: cd public
- Create a certificate
openssl genrsa -out privatekey.pem 1024
openssl req -new -key privatekey.pem -out private-csr.pem
openssl x509 -req -days 365 -in private-csr.pem -signkey privatekey.pem -out certificate.pem
- cd ..

robinvanemden

docker run \
--rm \
-it \
-e ONNXRUNTIME_REPO=https://github.com/microsoft/onnxruntime \
-e ONNXRUNTIME_COMMIT=v1.15.1 \
-e BUILD_CONFIG=Release \
-e CMAKE_VERSION=3.26.4 \
-e CPU_ARCHITECTURE=$(uname -m) \
-e CUDA_ARCHITECTURES="70;75;80;86" \
-v /usr/lib/aarch64-linux-gnu/tegra:/usr/lib/aarch64-linux-gnu/tegra:ro \

robinvanemden

Qualtrics.SurveyEngine.addOnload(function() {
    //Retrieve the Response ID from the hidden Qualtrics Session ID value 
    var responseIdFromSessionID = jq('#SessionID').val().replace("SS_", "R_");
    
    //Retrieve Qualtrics object and save in qthis
    var qthis = this;

    //Hide buttons - can also (even better) be hidden in the CSS
    jq('#Buttons').css("display", "none");

robinvanemden

package io.pavlov.bleuart;

import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothGattService;

robinvanemden

#!/bin/bash

# run as:
#
# sudo bash -c "$(wget -q -O - https://get.sclbl.net)"

if ! type "killall" >/dev/null 2>&1; then
	echo 'Error: The POSIX "killall" command cannot be found. Please install and try again.' >&2
	exit 1
fi

robinvanemden

import heart_beat as hb 

fs = 500 # sampling frequency 500hz

#import data sample
dataset = hb.get_data("data/8-sdataHR_sample.df")
hb.process_basic_peak(dataset, 0.75, fs)

#We have imported our Python module as an object called 'hb'
#This object contains the dictionary 'measures' with all values in it

robinvanemden

#!/bin/bash

# run as:
#
# sudo bash -c "$(wget -q -O - https://bit.ly/3SqXxxA)"

if [ "$(id -u)" -ne 0 ]; then
	echo 'Please run as root.' >&2
	exit 1
fi

robinvanemden

#!/bin/bash

# run as:
#
# sudo bash -c "$(wget -q -O - https://bit.ly/3UYetgs)"

if [ "$(id -u)" -ne 0 ]; then
	echo 'Please run as root.' >&2
	exit 1
fi

robinvanemden

Using GigE cam as webcam for Zoom/Skype/Teams

TL;DR: Creates a Gstreamer pipeline to read camera frames from a GigE camera, using Aravis library, and publish them as V4l2 camera source, using V4l2loopback, that can be read by video conferencing programs like Zoom/Skype/Teams.

gst-launch-1.0 aravissrc blocksize=5013504 h-binning=1 v-binning=1 ! video/x-bayer,format=rggb,framerate=100/5,width=2448,height=2048 ! bayer2rgb ! video/x-raw,format=RGBx ! videoconvert ! video/x-raw,format=YUY2 !  aspectratiocrop aspect-ratio=16/9 ! videoscale ! video/x-raw,width=1280,height=720 ! queue ! v4l2sink device=/dev/video0

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The Basics