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OpAmp/Voltage comparator as UART tx buffer?
Greets,   I need to connect 8 atmega UART rx slaves, in about 1 meter intervals and thought of using opamps or voltage comparators as voltage followers to boost the UART TX...
Thursday, 15 August 2019 - 00:49
Standalone serial program like Atmel Studio Terminal Window?
Hi,   does anyone know of a standalone serial utility that allows monitoring serial input in Decimal and keyboard typing serial data to be sent in HEX like in the Atmel...
Tuesday, 23 July 2019 - 17:25
SPI bus, daisy chained slaves, time calculation?
hi,   can some check if I'm calculating the time between the Master and last Slave correctly?   e.g. - SPI is set to run at 4MHz - There are 8 daisy chained slave...
Wednesday, 14 December 2016 - 22:51
Solved: mega8a pull-ups not 20K to 50K as in datasheet?
greets,   in the mega8a datasheet on page 226 there is a table with the pull-up values and PSU current. The values for I/O pins is given as 20K to 50K but the PSU current at...
Wednesday, 14 December 2016 - 04:43
Watching four registers as a uint32_t variable?
hi,   in the simulator/debugger mode (AStudio 6.1) you can add globally declared variables, is it possible to do the same with a set of registers? E.g. if I'm writing in...
Friday, 27 March 2015 - 13:15
Simulator UsART UDRE bit bug?
hi,   I have a simple ISR that triggers on Timer1 CompareA match:   while (! (UCSRA & (1<<UDRE)) ); //wait for empty transmit buffer UDR = 0xF8; //Put...
Friday, 20 March 2015 - 22:33
Debugger/Simulator (IO, Timer, etc) event loggin?
greets,   is there a way to log the activity of the simulator in debug mode, e.g. any changes on PORTB, or a change in a variables value would be logged with a micro second...
Monday, 16 March 2015 - 17:13
Disabling interrupt masking in debug mode (AStudio 6.1)?
hi,   I can't find the option to disable interrupt masking in the debug mode. In the Project/Tool settings I have the simulator in the debugger/programmer drop down menu....
Sunday, 15 March 2015 - 19:49
does External Interrupt Flag clear SREG Bit 7 – I: (Global Interrupt Enable)?
hi,   does the SREG - I - bit get cleared when an External Interrupt Flag is set but no External Interrupt Request is enabled, i.e no there is no corresponding interrupt...
Sunday, 15 March 2015 - 01:31
delay_basic.h clarification?
hi,   Why are the delay functions in delay_basic.h written in assembly and not C? For faster execution?   void _delay_loop_1(uint8_t __count) { __asm__ volatile...
Tuesday, 10 March 2015 - 00:08
How to cancel a pending ISR from within another ISR?
hi,   I'm trying to cancel a pending ISR from another ISR that is triggered by a vector higher in the priority table (using Atmega8a).   here is the relevant code:...
Wednesday, 4 March 2015 - 21:36
Simple TL-082 oscillator not working
hi,   I've put together a simple TL-082CN oscillator circuit on a breadboard but all I get on the scope is the 5V Vcc, no oscillation whatsoever, on either of the outputs. I'...
Monday, 2 March 2015 - 23:34

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