Waveshare Analog Test Board

Description Waveshare Analog Test Board Evaluates analog-to-digital functions Features onboard audio amplifier Includes adjustable resistors Supports MP3 output Capable of music playback The Waveshare Analog Test Board is an accessory designed for evaluating analog-to-digital and digital-to-analog functions integrated into microcontrollers. It features an onboard audio power amplifier and adjustable resistors for fine-tuning input voltage levels. Additionally, it includes a speaker to audibly indicate output voltage levels. This board is also capable of supporting MP3 output and music playback, making it versatile for various audio applications. View more What's Included 1x Waveshare Analog Test Board Links Website Analog Test Board - Wiki Specifications Onboard audio power amplifier LM386M Two high-precision adjustable resistors for input voltage level adjustment (0-3.3V, 2 channels) Speaker