To upload books to the PocketBook Touch Lux 3, you can connect the device to your computer using a USB cable. Once connected, your device should appear as a removable drive on your computer. You can then simply drag and drop your ebook files from your computer to the appropriate folder on your PocketBook Touch Lux 3. Another option is to use the PocketBook Cloud service to wirelessly upload books to your device. **

To upload an Instagram photo from your gallery, open the Instagram app on your phone and tap the plus sign icon at the bottom of the screen. Then, select "Gallery" to choose a photo from your phone's photo library. Select the photo you want to upload, add filters or edit it if desired, write a caption, tag people if needed, and then tap "Share" to post it on your Instagram feed. **

Both Ahri and Lux are popular champions in League of Legends, each with their own unique playstyles and abilities. Ahri is an assassin mage with high mobility and burst damage, while Lux is a long-range mage with strong crowd control and poke potential. The choice between Ahri and Lux ultimately comes down to personal preference and playstyle. Ahri may be preferred by players who enjoy high mobility and outplaying opponents, while Lux may be favored by those who prefer to control teamfights from a safe distance. **

Yes, Instagram allows users to upload pictures from their phone's gallery. When creating a new post, users can select the option to upload a photo or video from their device's gallery. This feature allows users to share content that they have previously captured and stored on their phone. Additionally, users can also edit and enhance their photos before posting them on Instagram. **

10 lux is equivalent to the brightness of a full moon on a clear night. It is also the minimum recommended level of light for safe movement in a dark environment. In comparison, a well-lit office or living room typically has a lighting level of around 300-500 lux. **

Approximately 1 Lux is equivalent to the brightness of a full moon on a clear night. It is considered very low light and is typically only enough to see basic outlines and shapes. In comparison, a well-lit office or living room may have a brightness of around 300-500 Lux, while direct sunlight can be as bright as 100,000 Lux. **

Without knowing the specific size limitations of the upload platform, it is difficult to determine if the photo is too large to upload. However, if the photo exceeds the maximum file size allowed by the platform, then it would be considered too large to upload. It is best to check the upload guidelines or try resizing the photo to meet the platform's requirements. **

I'm sorry, but as an AI text-based assistant, I do not have the capability to measure the lux of your screen. Lux is a unit of measurement for illuminance, which is the amount of light that reaches a surface. You may need to use a light meter or a specialized device to measure the lux of your screen accurately. **