It mainly realizes the analysis of polynomial data calculation. If there is a need to make a simple calculator based on a single-chip microcomputer, then it is sufficient.#include stdio.h
#include str
My board is connected to the APP, and the air quality is tested. It changes from 0 to 500, with basically no transition. The temperature and humidity sensors are normal.
Ultrasonic waves emitted by a 40KHz ultrasonic probe can also have a significant impact on the gyroscope data.
Also, I don’t know if it’s a psychological effect, but I feel like I’m going deaf.
[i=s]This post was last edited by wenyangzeng on 2021-10-31 09:13[/i]Free evaluation - Topmicro intelligent display module (4) displays Chinese charactersThe steps for displaying English strings and C