After waking up, the following abnormal phenomena occurred: 1. The LCD screen flickered (also called jitter), the amplitude was not large, but it looked a bit uncomfortable. 2. The program ran slower,
Drive a small relay, the driving voltage is 5V, the current is about 70 to 80mA, the control level of BTJ can be high or low, high level 5V, low level 0V, power supply voltage 5V.Can you analyze it wi
The procedure is as follows: #includesbit L1=P1^0; sbit K1=P3^1; sbit K2=P3^2; void main() { while(1) { if(!K1) { L1=0; } if(!K2) { L1=1; } } } The question is: what is the initial value of K1?
The annual International Integrated Circuit Conference and Exhibition (IIC-China) has become a weathervane pointing out the future hot technology applications in China. Many hot technologies have eith
The examples I found online are not very useful. The specific audio formats include mp3 and wma, not necessarily wmv. Now that the music can be played, I don't know how to sample the audio information