Screen extension light (low cost)

It uses esp8285 and ch9102f to communicate with the computer through usb to realize the extension of screen color.
The cost of the driver board is very low. It only costs 10 yuan.
Remember to add a capacitor. The
 
cool  
 
LED strip uses ws2812b. What I bought is pdd20 yuan, 2 meters and 60 lights/M. Try to find one without stroboscopic. This one I have has no stroboscopic.
 
 
 
Note: Because the LED current is too large, the computer usb port cannot be directly driven. My 120 white lamp beads are fully loaded with 13w and need to be powered by an independent power supply hub. In the future, an independent power supply will be added. Version 2.0, please stay tuned.
 
 
Welding requires a hot air gun or a heating pad.
The single driver board has a static power consumption of 0.1W. The Haixing
 
 
 
 
Arduino software is all open source used elsewhere. It is not written by me. There may also be a video tutorial at station b. 
 Remember to adjust the development board to esp8285
 
to see it. I can’t agree too much about this.