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low side current sense using xmega?
One of the problems here is that I don't know what I want :) The purpose is for the Xmega to monitor the current consumption on the board it is mounted on. The board has a GPS and...
Wednesday, 12 May 2010 - 10:13
voltage
Don't expect to find coil resistances much higher than 150R for 5V supply. Is it the supply voltage that drops, or is it drawing too much current through the avr pin?
Tuesday, 11 May 2010 - 15:25
USART: When is it safe to write to UDR
XMEGA A Manual wrote:Bit 5 - DREIF: USART Data Register Empty Flag The DREIF indicates if the transmit buffer (DATA) is ready to receive new data. The flag is one when the...
Sunday, 2 May 2010 - 21:12
Connecting 5x6 grid of PCBs using rs485
Fair enough, disregard the stuff about power. I never intended the rs485 to be a star topology. It was more a question of having a bus vertically with a repeaters for each row,...
Wednesday, 8 April 2009 - 12:27
Multiplexer and demultiplexer in same ic?
The 4052 looks like it would work. Thanks.
Friday, 9 January 2009 - 15:29
Multiplexer and demultiplexer in same ic?
But they also cost 3 times the price of the current solution. Yes, price is a factor :)
Friday, 9 January 2009 - 14:54
What is the lowest PWM freq. possible?
not entirely sure, but i think you can daisy chain timers to get the wanted effect. letting the output of first timer be the input of the second. this way you can adjust frequency...
Sunday, 4 December 2005 - 21:08
How to make one big number of a array[4] with union??
typedef union { unsigned long int u32; // 32-bit mapping unsigned int u16[2]; // 16-bit mapping unsigned char u8[4]; // 8-bit...
Sunday, 4 December 2005 - 17:18

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