Air conditioner companion

Updated on 2021.07.14

Tuya Smart requires no development. You only need to design the circuit board to use APP joint debugging.

Use an existing thermostat housing you have on hand,

Disassemble, empty and organize free space:

After cleaning:

Then compare the existing larger components on hand:

Then use Lichuang EDA to design the schematic diagram and PCB:

Using Lichuang EDA for PCB design, maybe I am not proficient in using it, and I always get an error:

I have given up on automatic routing. Let’s wire it manually:

When applying for coupons for PCB box components, it prompts that the project does not meet the requirements, so continue to improve...

…

In order to prevent accidents, I placed orders for PCBs from Lichuang and Jiepei at the same time. What was unexpected was that the goods arrived at the same time:

No matter how I changed the resolution or modified the file format, this photo could not be uploaded. I was also drunk, so I took a screenshot and tried again, but it still didn’t work. Forget it, I continued with other things. I had already wasted 30 minutes.

The components I bought from Lichuang hadn’t arrived yet, so I soldered the ones I had on hand first:

Waiting for other components to arrive:

Continue to complete other soldering of the remote control:

Power on successfully. Upper shell:

Open Tuya Smart APP and start networking: