Search found 4 matches

by jmusther
Mon Nov 14, 2016 9:15 pm
Forum: Module Discussion
Topic: usbasp and ATMega2560V-8AU - can't program
Replies: 0
Views: 3896

usbasp and ATMega2560V-8AU - can't program

I've been using the usbasp programmer for a good while now for programming a range of micros, including the ATMega2560-16AU at 5V and even at 3.3V (outside spec, but it works). Now I'm trying to program the ATMega2560V-8AU, but so far I've been unable to get it to work. As an example, this works wit...
by jmusther
Tue Sep 01, 2015 3:31 am
Forum: Module Discussion
Topic: Multiple microphone modules on common DC supply
Replies: 4
Views: 1810

Re: Multiple microphone modules on common DC supply

Thanks, I'll have a play around and see what I can come up with. Sorry about the privacy on the video, it should be visible now.

Cheers,
by jmusther
Mon Aug 31, 2015 8:54 pm
Forum: Module Discussion
Topic: Multiple microphone modules on common DC supply
Replies: 4
Views: 1810

Re: Multiple microphone modules on common DC supply

Thanks John. I've played around with different power supplies, checked them with the scope, and used filters to smooth them, but all to no avail. I don't believe the problem is external interference, it seems to be interference between the microphones. I have no trouble with a single mic, but when I...
by jmusther
Sat Aug 29, 2015 4:31 am
Forum: Module Discussion
Topic: Multiple microphone modules on common DC supply
Replies: 4
Views: 1810

Multiple microphone modules on common DC supply

I've been using the microphone module: http://www.freetronics.com.au/products/microphone-sound-input-module#.VeEuk9Oqqko For a little while, and have had great results from the sound pressure level output for a single microphone. Now I'm trying to use multiple and had them powered from 5v an Arduino...