Generally all it's good to resolve an issue is a Raspberry Pi and a free afternoon or, on this case, an RP2040 and a customized PCB. For instance, maker Mahesh Venkitachalam bumped into a difficulty with background noise whereas recording with a tiny USB microphone.
His answer? The Mico—a customized USB microphone constructed from scratch utilizing the RP2020 processor. The undertaking makes use of USB Sort-A and options an authentic PCB design created by Venkitachalam.
The undertaking is dubbed Mico with a nod to the Raspberry Pi Pico module, though this board makes use of the RP2040. Hooked up is a USB Sort-A plug in addition to an MP23DB01HPTR microphone module. The PCB comes full with a small brand featured on the highest.
Based on Venkitachalam, this Raspberry Pi project is solely open supply and code is obtainable for anybody to discover at GitHub. As well as, there are three uf2 information out there, any of which may be put in by dragging and dropping them onto the Mico.
events can discover the creation course of in additional element on Venkitachalam’s web site, electronut, which additionally consists of efficiency comparability information in opposition to the unique microphone with background noise points.