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crazy waveforms I'm having frustrations that make me want to quit. I am working on a project to interface a Playstation 2 PS2 controller using SPI. Again, seven years later, I'm... |
Tuesday, 31 January 2017 - 04:42 |
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building Marlin 3D printer in Atmel Studio? I've been unsuccessful looking for a reference describing how to build the Marlin 3D printer firmware in Atmel Studio. It seems to be very deeply Arduino-based, and the... |
Saturday, 7 January 2017 - 16:22 |
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ATtin84A INT0 sense control problem According to page 50 of the datasheet Table 9-2, there are four combinations of ISC01 and ISC00 that affect how the INT0 interrupt fires. I was unable to get rising edge... |
Monday, 21 November 2016 - 06:14 |
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Trouble registering and downloading Studio 6? The question: Is anyone else having trouble acquiring this software? I've been away for a while and upon returning to AVR development, thought I'd update my toolset from 4.x. I'... |
Monday, 12 November 2012 - 14:31 |
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discrete stepper motor driver I scavenged a small stepper motor from a broken scanner and would like, as a matter of learning and discovery, to create a simple discrete-component driver for it. My searching... |
Sunday, 5 February 2012 - 14:56 |
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general question about interfacing I'm working on a design with an ATmega644 driving numerous 4511 7-segment decoders in a multiplexed fashion. In general, is it a good design practice to put resistors on interface... |
Sunday, 10 October 2010 - 16:14 |
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object tracking with image sensor + FPGA? Hi all, I'd like to make a robotic vision subsystem that behaves similar to this: http://www.youtube.com/watch?v=tbHWvPWhVh8 I can envision an image sensor filling a SRAM or... |
Wednesday, 26 May 2010 - 03:21 |
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difficult bit-twiddling problem Hi all, I'm having trouble with something that I feel must be easy, but it's confounding me. I want to clear certain bits of a port without touching others, and without setting a... |
Thursday, 20 May 2010 - 02:54 |
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floats, libs and includes I have a project that makes extensive use of floating point values, and it works, albeit SLOWLY, with no libraries linked in and headers as follows: #include #include #include... |
Saturday, 3 April 2010 - 20:01 |
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real-time and state machine reference? I'm wondering if anyone can recommend a website or printed text the treats the subject of real-time systems and state machine programming in some detail. A reference that uses C... |
Saturday, 3 April 2010 - 19:33 |
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At wits' end with multi-byte SPI transfer Fellow 'Freaks, I'm at my wits' end trying to get multi-byte SPI transmissions to work. I have an AVR SPI master sending a buffer (a union of some data and uint8_t[]) to the... |
Sunday, 21 March 2010 - 06:26 |
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multiple SPI slaves? In my project, I have one SPI master and several slaves. All but one of the slaves are AVRs; the remaining one is a Playstation PS2 controller. I'd been working on getting two... |
Tuesday, 16 March 2010 - 04:42 |