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hex AND gate MC10197
Does anyone know of any similar package to MC10197? I am having trouble finding out. This part seems to be not so readily available. Yet the functionality is very useful!...
Sunday, 30 January 2011 - 23:29
6 channel pwm with atmega88
I am a lil confused when I read 6 channel pwm possible with Atmega88. How? There are 3 timers, 2x8 bit and 1x16 bit. Each timers capable of giving pwm outputs? But where does this...
Monday, 24 January 2011 - 08:21
Mystery ESCs with atmel
Hhm... so I have a few of these Mystery ESCs now... I have taken it apart...its using atmega8L. I am surprised why there are no schematics available on the net for this thing. Has...
Wednesday, 19 January 2011 - 09:46
atmel controlled wifi helicopter
hhm.. this is going to be a challanging task! I want to make an two rotor (front and back) helicopter or some sort of flying object.... Do I need a gyro AND an accelerometer? or...
Friday, 31 December 2010 - 11:58
settings bit for a variable ...stuck :(
grr. cant think anymore... how do you update part of a byte with a certain number without changing the rest of the byte? for eg: byteA = 0b0010001. byteB = 0b00000011. I want to...
Thursday, 9 December 2010 - 11:01
31 bit serial data transfer
Hmm.. I have this piculiar need where I need to read 31 bit wide data transfers.... each transfer starts with 29bit space (low) followed by 1 bit mark. this defines the...
Wednesday, 1 December 2010 - 06:27
UC3A ram usage...
Ok guys how do I find out how much program space my code is taking and how much ram the program is using up?
Saturday, 20 November 2010 - 22:16
malloc of a data type
ok I have a datatype HttpCon * httpCon = (HttpCon *)malloc(sizeof(HttpCon)*MAX_HTTP_CONS); then I want to do: httpCon[i]->socket = skt; but it seems the compiler doesnt...
Wednesday, 17 November 2010 - 11:39
Controlling 1024 IO cells
Ok so I have this requirement where I want to control around 256x2 ouptuts and read 256x2 inputs. For outputs I am thinking of using a 2^9 = 2^5 x 2^4.. So 32 pin (columns) and 16...
Thursday, 11 November 2010 - 02:53
IP checksum calculation
this is confusing me! I have the following: unsigned short IP_CheckSum(unsigned char *buf, unsigned int len) { unsigned long int sum = 0; while(len > 1) { sum += *(...
Sunday, 31 October 2010 - 00:30
UC3A0512 and RT8201 10/100 ethernet
So following on from https://www.avrfreaks.net/index.p... I have hoooked up my RTL8201CP with UC3A0152 after much trouble and pulling hair. And I have so far written ARP and ICMP...
Saturday, 30 October 2010 - 21:47
interrupt clash :(
ok this is more a general concept thing... I am using a UC3A1256 device. I have configured the timer to give 1ms interrrupt. this interrupt just sets a tick flag and exits after...
Saturday, 16 October 2010 - 21:56

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