Search found 2 matches

by triturus
Mon Mar 25, 2019 4:57 pm
Forum: Hardware Projects
Topic: Build a cheap/small sound spectrum analyser in MicorPython project
Replies: 6
Views: 2158

Re: Build a cheap/small sound spectrum analyser in MicorPython project

well, we calculate ever the factor of 2 to 2.5 of the maximum frequency as sampling rate. The main problem I see in the buffer and how to get all out onto a SD card just in time. In case of the results I´m flexible because in the first step the question is, what is possible and how I can work around...
by triturus
Mon Mar 25, 2019 2:44 am
Forum: Hardware Projects
Topic: Build a cheap/small sound spectrum analyser in MicorPython project
Replies: 6
Views: 2158

Re: Build a cheap/small sound spectrum analyser in MicorPython project

Hi kynixsemic, well I´m quite new in pyboard and micropython, but I´m very interested in your theme. I worked a lot with audio signals (lf and ultrasound) and everytime the mature of analog signals and digital produce problems. I can confirm Peter´s advise regarding the metal enclosure. Often exist ...