【ESP32-Korvo Review】 01 Unboxing Experience
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This post was last edited by Tianyiwuzui on 2021-2-21 22:40
It's the last day of the Spring Festival holiday. I'm going to clean up my house and adjust my mentality to welcome the first day of work in the new year. While sorting out my things, I suddenly found a package. I opened it and found it was the ESP32 voice development board. I actually forgot about it. I burst into tears......
The package arrived before the holidays. Due to my busy work at the end of the year, I left it there without opening it after I got it back, thinking I would play with it when I had free time. However, it has been put aside until now. I am ashamed... I quickly took it out and prepared for the evaluation, otherwise I would not know what would happen to the development board when I am asked to send it back.
After opening the express bag, I found a paper box with the Espressif logo printed on it.
I opened the paper box with excitement, looking forward to the appearance of the development board, but I found there was also an anti-static bag.
Okay, go ahead and unpack the anti-static bag and take out the development board.
The development board consists of two circular circuit boards, which are connected by FPC cables. The printed circuit board uses black ink to make it look more advanced.
[attach]5254
As usual, power on the development board and get it running. Get two micro-USB cables, one to the power supply port of the development board and one to the serial port of the development board. Turn the power switch to the ON position, and the serial port will print out the startup information of the development board.
Since the development board has already been burned with application firmware, let's try it out first to see how well the voice command recognition works.
(1) “Hi, Espressif”
Wake up the voice recognition function. The 12 RGB lights on the development board will light up in a cycle and wait for the next instruction. The serial port will also print out the corresponding information.
(2) “Turn on the red light”
At this time, the 12 RGB lights on the development board will display red, and the serial port will also print out corresponding information.
Repeat the above operation process and try other color commands, they can be recognized correctly, indicating that the recognition rate is quite good.
Below is a GIF image converted from a captured video.
Okay, that’s all for the first review article. I hope I’ll have time to continue with the in-depth review after work.
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