The genius 'idea of taking a picture of your hand using a laptop camera' became a hot topic

Due to the epidemic of the new coronavirus infection (COVID-19), online classes and conferences are increasing, and problems are often occurring in unprecedented situations. There is a sudden online class, a teacher who hit a wall saying 'I can not deliver handwritten content during the online class' in a poor environment, DIY with the tools I have at hand and survived Ideas are a hot topic.

Teacher invents low-tech laptop & CD lifehack to screen handwritten notes for online class --Mothership.SG --News from Singapore, Asia and around the world

For some reason, a pencil sticks out of my laptop in the post. A CD is hung on the pencil, and coins are stuck on the CD, so everything is a mystery.

Seen from the back, it looks like this. The pencil is stuck with tape.

This is an idea for Castrejon, who does not have a scanner that captures documents and double-page spreads of books into a PC, to deliver notes using the camera attached to the notebook PC. The contents of the memo are reflected on the CD and captured by the camera.

'May my little creation help someone. All I need is a CD, a pencil, a tape, and a quarter. The pencil is taped from the back of my laptop to support the CD. A quarter. Is for tilting the CD downwards and showing what's on the keyboard. This works with Zoom. When you're penciling a CD, children look at what's on the keyboard, not you. You can copy anything on the keyboard. To get the children's eyes back to you, all you have to do is take the CD. Also, the children wrote their own. This method may also be useful when showing things to teachers. '