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What voltage would you expect to see on a ceramic resonator?
I have a 24mHz resonator on a micro(not AVR, actually Kinetis) and the waveform is roughly 480mV peak to peak. Is this what you'd expect? I'm having trouble whereby as soon as I...
Fri. Oct 7, 2016 - 10:54 AM
AVRISP MK2 stopped working.
For many years, I have used a few batch files to program ATTiny44 chips for a client. Every now and then he asks for 50 or 100, and I program them and forget about them for a few...
Wed. May 18, 2016 - 06:20 PM
Guitar jack to line levels.
I know there are a few axemen on these forums, so... Anyone point me at a simple circuit to convert an electric guitar output to standard line in level? Preferably working from 3...
Fri. Dec 18, 2015 - 10:18 AM
Better late than never...
Where were the ARM forums when I needed them?  
Mon. Jul 6, 2015 - 10:51 AM
Wear leveling in Flash
I would search for this, but I can't find a search function... I am using a Flash chip(NOR memory). There are some user settings that change fairly frequently, and which I save to...
Tue. Oct 7, 2014 - 05:01 PM
How to place dummy serial number in Flash at specific address?
I'm sure this has been asked many times before, and I'm sure that most of the answers have started with "why would you want to do that?", so here goes. A client of mine wants to...
Fri. Sep 19, 2014 - 12:37 PM
Alternatives to malloc in embedded apps
My projects tend to use finite state machine. Different parts of the state machine can be fairly hungry for RAM, but by the nature of the application, these parts can not be...
Sat. Jul 5, 2014 - 09:40 AM
emitting .elf file for production
I seem to remember reading that AS6.x has a problem generating proper .elf files that contain all the fuse and lock bit info, along with the code. Is this still the case? If so,...
Fri. May 16, 2014 - 10:51 AM
Migrate from Tiny44 to Tiny441?
I've done a quick search, but didn't find anything much. Anyone know if it's trivial to migrate Tiny44A code to a 441? Farnell are out of stock of the 44A... John
Mon. Apr 28, 2014 - 08:21 AM
discards 'const' qualifier warning.
I have a function for sending a string to a serial port. It also adds a checksum, and some framing, so I don't want to simply use a printf(). However, I like the flexibility of...
Fri. Apr 25, 2014 - 10:02 AM
Strange error in stddef.h
My project has started refusing to compile, it is moaning about a line in stddef.h, which, as far as I know, I haven't altered in any way. I have undone all the recent additions...
Wed. Apr 2, 2014 - 08:03 PM
Using DACC with DMA (SAM4)
Is it possible to use the SAM4 DMA(PDC) to read data from Flash and squirt it out through the DACC? Failing that, I assume that it's possible to pull the data from RAM and send it...
Sun. Mar 23, 2014 - 01:52 PM