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Quadrature Decoder Count Interrupt?
The AU datasheet says that the angle can be read directly from the count register but could a counter interrupt be set up to trigger at a specific angle? For example, if a 720 PPR...
Monday, 4 March 2019 - 20:49
Simultaneous Dual External ADC Handling
I am working on a data acquisition of two simultaneous analog values using MAX1062 200ksps 14 bit chips. The SPI transfer takes place when the CS line is pulled low and 24 clock...
Tuesday, 26 February 2019 - 20:11
Xmega or SAM4S?
Hello, I am building a data acquisition board with three ADC inputs (12 bit), one analog output and one digital output. The ADC rates are similar on the Xmega and SAM4S. Two ADC...
Monday, 17 December 2018 - 21:08
Selecting type of Wireless
Hello, I am building on a data acquisition board which currently uses USB to send data to the PC. I would like to make it wireless (short range) but I do not know how to determine...
Monday, 17 December 2018 - 20:41
Studio 6.2 Simulator CLKPR setting error
Hi All, Using 6.2 on a tiny13, I am using the watchdog timer to flash an LED. The timer0 is used to switch outputs between the red/green/blue LEDs for intermediate colours. On...
Wednesday, 1 March 2017 - 07:24
Studio 6.2.1563 Simulation reset
I am running an ATmega329PB simulation with interrupts. The interrupts are encapsulated with sreg = SREG;, cli(); and SREG = sreg;. The program waits for two external inputs (...
Friday, 1 July 2016 - 07:43
Syncing to external clock
Still working on converting the MGA signal to VGA. I do not have access to the dot clock, only the horizontal and vertical syncs (the video board is buried three boards down on...
Saturday, 14 November 2015 - 18:53
Calculating clock speed
I want to use a SAM4S to drive an SVGA screen (800 x 600) in monochrome. The RGB foreground/background values are set by an ADG733 analog switch. I only need to put out whether...
Thursday, 12 November 2015 - 02:40
ATtiny25 Bipolar Input Selection
According to the errata, the pin definitions for positive and negative differential inputs was corrected in the data sheet, however on revision 2586Q, Page 123 says ADC0 or ADC2...
Tuesday, 2 June 2015 - 18:01
ATtiny25 OCR1A = OCR1C, which occurs first, CTC or interrupt?
Using an ATtiny25 timer0 to produce a fast PWM and timer1 to change the PWM OCR0A value at a variable frequency. CTC only uses OCR1C register and interrupts can be on OCR1A and...
Monday, 11 May 2015 - 04:43
Simulator does not reset
Hi All, I am using Studio 6.2, though the same problem occurs in 6.1, when running the simulator in Debug then stop and restart the Debug session it will not reset but returns to...
Friday, 1 May 2015 - 17:43
MGA to VGA adapter
Hi, I am making an adapter to convert a monochrome graphics adapter output to VGA 800 x 600 resolution. I found the easiest (for me) route is to use two micro-controllers, one to...
Friday, 19 September 2014 - 00:49

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