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## Collecting images of your device ## Collecting images of your device
There are several ways to collect images from your device: There are several ways to collect images from your device:
1. Use the `RawImagesLocation` parameter to store them directly onto your SD card, see [Parameter `RawImagesLocation`](Parameters/#parameter-rawimageslocation) 1. Use the `RawImagesLocation` parameter to store them directly onto your SD card, see [Parameter `RawImagesLocation`](../Parameters/#parameter-rawimageslocation)
1. Use the Webhook to send the raw image on each round to a dedicated server, see [Webhook](Webhook) resp. [Parameter `UploadImg`](Parameters/#parameter-uploadimg). 1. Use the Webhook to send the raw image on each round to a dedicated server, see [Webhook](../Webhook) resp. [../Parameter `UploadImg`](Parameters/#parameter-uploadimg).
1. Another option is to pull the images periodically from `http://<IP>/img_tmp/raw.jpg`. Eg. with an external service. Below is a (Linux)-Bash script to do it: 1. Another option is to pull the images periodically from `http://<IP>/img_tmp/raw.jpg`. Eg. with an external service. Below is a (Linux)-Bash script to do it:
```bash
```bash #!/bin/bash
#!/bin/bash while [[ true ]]; do
echo "fetching value..."
wget -q http://192.168.1.151/value -O value.txt
value=`cat value.txt`
echo "Value: $value"
while [[ true ]]; do diff=`diff value.txt value_previous.txt`
echo "fetching value..." changed=$?
wget -q http://192.168.1.151/value -O value.txt #echo "Diff: $diff"
value=`cat value.txt`
echo "Value: $value"
diff=`diff value.txt value_previous.txt` if [[ $changed -ne 0 ]]; then
changed=$? echo "Value changed:"
#echo "Diff: $diff" echo $diff
echo "fetching image..."
wget -q http://192.168.1.151/img_tmp/raw.jpg -O $value.jpg
else
echo "Value did not change, skipping image fetching!"
fi
if [[ $changed -ne 0 ]]; then cp value.txt value_previous.txt
echo "Value changed:"
echo $diff
echo "fetching image..."
wget -q http://192.168.1.151/img_tmp/raw.jpg -O $value.jpg
else
echo "Value did not change, skipping image fetching!"
fi
cp value.txt value_previous.txt echo "waiting 60s..."
sleep 60
echo "waiting 60s..." done
sleep 60 ```
done
```
## Use prepared images ## Use prepared images
See the selection below with prepared images. See the selection below with prepared images.