[Training Camp] [Internet of Things Practical Combat] Internet of Things Desk Lamp-618081A

**I am a sophomore in high school, and something unimaginable happened around me——**

**Lichuang EDA joins hands with Tuya Smart to start classes **

**What should I do if my children always cannot draw PCBs and learn the Internet of Things? **

**Most likely there are no good teachers! ** **Lichuang EDA joins hands with Tuya Smart with a professional team~ **

**It took more than 10 days of careful teaching and it is my favorite part of the Internet of Things**

**And all training costs include proofing, component purchase (excluding shipping costs from Lichuang Mall), and purchase of graffiti modules are free. **

1. Creative idea: To commemorate the great moment when Chang'e flew to the moon and collected soil from the back of the moon.

So the design was based on the idea of ​​​​the moon.

Used Tuya WB3S module for creation **Thanks to Tuya Smart for providing the module**

And RGB can increase the buff by 200%

2. Design and production process: Taking advantage of the launch of 3D printing test by Lichuang EDA, I placed an order to print the shell.

Then transfer the drawn principle to PCB and then go to Jialichuang for pattern making ** Thanks again to Lichuang EDA for providing the 20 yuan proofing roll **

3. Problems encountered in the design and their solutions; because the Tuya firmware configuration is set to a low-level effective principle, the drawing is

The overturning of the high-level active circuit diagram after receiving the board put me in pain but I couldn't give up! ! ! ! So I tried my best to finish my homework every day at school. Every night when I got home, I would change the pictures until 12 o'clock and use the transistor to drive the mos tube to achieve the goal.

4. The core components of the entire product: **The main control chip uses Tuya Smart’s WB3S**

**The left side of the board uses an extremely advanced type-c interface **

**Below the charging port is a power switch**

**In the upper right corner of the board is a button**

Long press for 5s to turn on/off and short press to switch colors **Press twice to enter music mode**

**Below the button is an onboard RGB light available **

**Display the working status of the board or check whether the light strips are connected incorrectly **

**The second is a choice of driving voltage, you can choose 3.3v or 5v**

**There is a microphone interface reserved on the board that can be used to connect external modules **

**And designed a light strip interface **

**On the back of the board is a 5v to 12v module that can power the light strip **

**And parameters such as output voltage 5, 9, 12 can be selected on the module. ** Finally, the Teppanyaki video is attached https://www.bilibili.com/video/BV1dz4y1k71i/ , the content is extremely comfortable QAQ

https://auth.tuya.com/?from=https://www.tuya.com/cn/&_source=cbc30f99f7a6c4aebca6755c2fab437f (contains detailed development documents)