I DIYed an MP3 module, but it doesn't work properly. VS1053 can't read or write registers.The main function test code is shown above. The value of the VOL register is 0 when viewed through the serial ...
There are many cars on the highway, and the speed is very high. Serious accidents happen from time to time. The anti-collision radar using DSP for real-time processing can make judgments and start the...
Analog Electronics 4th Edition 1. P363, Figure 7.3.8 How can increasing the gain near f=f0 make fp close to f0? 2. P364, Figure 7.3.9. "It is possible to increase the voltage gain at f=f0 without caus...