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
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
[i=s]This post was last edited by qwqwqw2088 on 2019-6-25 08:36[/i]Author: Zhu Mingwu (Mingmo)The fuel gauge has three security modes: SEALED (locked), UNSEALED (unlocked), and FULL ACCESS (full acces