Mini Analog Test Board

Description：

1、Standard interface that can be expanded in a variety of development boards

2、Touch switch uses high-quality, beautiful and durable

3、 Function Profile: adjust the adjustable resistor to change the voltage input value (0 to 3.3 V, 2 channel), and listenning to trumpet sound can know voltage output value (1 channel)

4、Typical Application: Support testing MCU with the AD/DA function、testing whether MP3 output is normal or not、testing music playing

5、The main resources: LM386M, speaker, high precision adjustable resistor x 2, testing interface

6、Applicable to a variety of platforms including  Arduino/AVR / ARM