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SOLVED: 'Content mismatch' error with Optiboot & 1284p
Afternoon all, I'm currently working on a project using a 1284P (and FTDI UART bridge), and to save reinventing the wheel am using (or, at least - trying) the Optiboot bootloader...
Friday, 11 July 2014 - 15:03
Simulation hanging (as expected) during async clock setup
Afternoon all, I'm just running through some simulations on a project, but as expected, have come across a bit of a problem. The part under question is a 1284P, and when switching...
Wednesday, 9 April 2014 - 16:05
Implementing AVR109 Bootloader
Afternoon all, I'm trying to put together and get to work the AVR109 bootloader example, with the source files avr109.zip available from Atmel, I'm sure you all know what I'm...
Monday, 31 March 2014 - 11:59
MCP2515 CAN Controller Exposed Pad Ambiguity
Hi all, I've just sent off for a board revision to be made, in which a swap between MCP2515 CAN controller packages from TSSOP to QFN was made, however - just quickly looking...
Saturday, 29 March 2014 - 20:05
Should one initialise inputs as inputs?
Morning all, I'm well aware than when an AVR enters reset, all the I/O is tri-stated, and certainly in previous projects I've let the reset 'initialise' those pins I'm using an...
Wednesday, 19 March 2014 - 11:21
Routing in a power plane
Morning all, I'm just finishing up on what has become a massively high density small footprint PCB, however - I've got a number of traces which ultimately I'm going to have to...
Thursday, 6 March 2014 - 09:41
ADC input buffering, using a low-pass filter
Morning all, So - I've had a thought, relating to a project I'm working on. I'm using a 14-bit SAR ADC, with high output impedance sensors needing to be sampled, so clearly I need...
Saturday, 22 February 2014 - 12:16
Generic Virtual COM Port and serial comms questions
Hi all, Just a few thoughts here - but cannot seem to find the appropriate answers. With protocols like CAN and LIN, there are very clearly defined methods of performing certain...
Monday, 10 February 2014 - 17:37
Digital low pass filtering of data, unexpected DC offset?
Hi all, I'm working on a device of mine, where I'm logging acceleration - and want to filter the data to remove the unwanted high frequency components. After much reading about,...
Thursday, 30 January 2014 - 11:11
Taking the high, middle and low bytes of a 24-bit value
Hi all, Bit of a sanity check required here I think. I'm working with an SPI memory device that requires a 24-bit address, which I have to transfer in 8-bit bytes of course - so...
Wednesday, 22 January 2014 - 14:12
Libc support for attiny1634
Hi all, First post on AVR Freaks, having decided to begin moving over from the Arduino forums - I've begun growing bored of how much the Arduino IDE and functions hide from users...
Thursday, 7 November 2013 - 14:52

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