The figure below is the circuit diagram of a common base amplifier circuit. This type of circuit inputs signals from the emitter and outputs signals from the collector. However, the direction of the b
In the previous post, I learned about the Bluetooth LED control and button status feedback routines of Silicon Labs BG22-EK4108A. The most important ones are the following services and characteristic
1. Basic requirements:
(1) It has general playing functions and variable volume (at least two levels)
(2) Realize the automatic playback function of a song
(3) Function of digitally displaying musical