A DIY enthusiast, Dr. K, transformed a broken Samsung Galaxy S9 Plus into a functional tablet. He started by repairing the screen, but then decided to connect it to a 12.1-inch 1080P display and make it into a tablet. The project involved configuring a battery circuit, adding a main switch, and creating a charging switch. Dr. K also added a hub switch and used a 3D pen to finish the sides. After completing the project, he demonstrated the tablet's functionality, showcasing its ability to use the Play Store, external keyboards, and Dex mode. Dr. K emphasized that making the tablet was a fun project, and he encourages others to try similar DIY projects.
Here are the key facts extracted from the text:
1. The author is using a broken Galaxy S9 Plus smartphone to make a tablet.
2. The smartphone's screen is broken and cannot be used as a phone.
3. The author is using a 12.1-inch 1080P display to make the tablet.
4. The display supports touch and has a structure that goes into the AD controller board.
5. The author is using three 3,200mAh batteries to power the tablet.
6. A 12V circuit is constructed with these batteries to drive the display and charge the smartphone.
7. The author is using a BMS (Battery Management System) to manage the batteries.
8. The BMS is a battery charging module that generates heat, but double-sided tape holds up the heat.
9. The author is using a step-down module to lower the voltage to 12V or less.
10. The author is making a switch to deliver 12V to the display and another switch to turn the hub on and off.
11. The author is using a polycarbonate plate to cover the back of the tablet.
12. The author is drilling holes for the camera and speaker.
13. The author is using a 3D pen to finish the sides of the tablet.
14. The author is ironing the sides of the tablet to make it softer.
15. The tablet has a charging port, speaker, main switch, and phone power switch.
16. The author can use the Play Store and external keyboard with the tablet.
17. The tablet's specifications are the same as the Galaxy S9 Plus.
18. The author did not do a performance test because the specifications are the same as the Galaxy S9 Plus.
19. The author can use the tablet with a touch screen keyboard or an external keyboard.
20. The author thinks the tablet is useful and can be used in real life.