STEVAL-MKI139V1是包含4优惠券与MP33AB01模拟MEMS麦克风子板。优惠券概念允许轻松地测试STM MEMS麦克风的表演,也可以拆下单印刷电路板承载一个麦克风。The STEVAL-MKI139V1 is a daughterboard containing 4 coupon with the MP33AB01 analog MEMS microphone.The coupon concept allows to easily test the performances of STM MEMS microphones, it is possible to detach the single PCBs hosting a single microphone.