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I discovered the ATmega1284P's use JTAG for debugging instead of debugWire, although the data sheet mentions debugWire.  The JTAG connector on my ICE is 0.050 pin spacing, so...
Sat. Mar 2, 2019 - 11:18 PM
115200 baud UART
I have been having trouble talking to 16MHz mega's at 115200 BAUD.  Talking to a PuTTY window through an FTDI USB-serial chip gives me garbage on the screen, if anything at...
Mon. Feb 11, 2019 - 01:51 AM
mobile phone to AVR
This question has probably been asked a million times, but when I google with a site:avrfreaks.net everything I get is about a million years old.  I want to move my lighting...
Tue. Dec 11, 2018 - 07:22 PM
Does anyone know a simple radio?
I have been using a radio transceiver from RFDigital that has become obsolete.  I use UART to talk to it from a microcontroller and PuTTY from my laptop USB to serial...
Tue. May 22, 2018 - 07:36 PM
Hand soldering surface mount tantalum capacitors
Is there a danger of popping a surface mount tantalum capacitor because of absorbed moisture while hand soldering with a soldering iron?
Sun. Dec 10, 2017 - 04:58 AM
matrix inversion
I have implemented two matrix inversion algorithms and built them into a library.  If anyone is interested in solving n equations in n unknowns on an avr I will post my code...
Wed. Nov 1, 2017 - 11:15 PM
Free samples from Microchip
I got a notification from Microchip to sign up for product and documentation change notifications and free samples.  Of course given the chance for free samples I signed up...
Sun. Oct 15, 2017 - 05:34 PM
changing clocks and bricking MCU
I am sure this question has been asked a zillion times, but I am going to ask it again.  apologies in advance.    I had an ATmega328P running with an external TTL...
Thu. Sep 28, 2017 - 04:54 PM
Variable color in AS7
Sometimes the color of variables in my projects are black instead of the default Navy.  Sometimes if I scroll up and then back down they will change to Navy.  Sometimes...
Sat. Sep 2, 2017 - 04:44 PM
Solved: RFID coil and superglue
I wound a 18cm x 20cm RFID coil big enough for my cat go walk through with 55 turns of 30 gauge magnet wire.  I measured the inductance with a cheapo meter to be 2.4 mH and...
Wed. Aug 2, 2017 - 03:39 PM
.elf vs .hex
I noticed that AS7 default for programming flash is .elf.  AS6.2 was the same, but I was told it was going to change to .hex in AS7.  Do I just go with the default and...
Sun. Jul 23, 2017 - 08:14 PM
makefile access to path error
Why do I get this error every once in a while when I do a rebuild all in AS7.  I have to go in and delete makefile.mk by hand and then it builds fine.  It is sort...
Tue. Jul 18, 2017 - 04:25 PM