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Pin and feature compatible AVR substitute for dsPIC30F2010
Hi Guys, Is there a pin and feature compatible AVR substitute for dsPIC30F2010? I need 5 PWM's. Thanks for your help.
Monday, 25 February 2013 - 08:46
UPS + Inverter controller IC
Hi Guys, Has anybody come across any literature on a UPS + Inverter controller IC and what it is supposed to do? I know the PWM control of the MOSFET switches but what other tasks...
Wednesday, 2 January 2013 - 16:32
Solar meter question
Freaks, I am trying to build solar cell + inverter + SMPS voltage monitor. The inputs are: 1. Solar PV cell voltage and current. 2. Input voltage from PT (potential transformer) 3...
Saturday, 15 December 2012 - 12:06
Gap seen in SPI transmission
Hi Guys, I am using an Atmega328 in SPI mode and is configured as the master. I am transmitting 0XAA in a loop. Looking at the MOSI and the SCK pins, I see the attached waveform....
Tuesday, 21 September 2010 - 23:20
Nanosecond delays with AVR
Hi Guys, Has anybody tried using nanosecond delays with the AVR? Is there a _delay_ns() function? If my AVR is running at 10MHz what is the approximate minimum delay I can use...
Tuesday, 21 September 2010 - 22:31
AGM1264 GLCD problem
Hi Guys, I have a 128x64 AGM1264 KS0108 controller GLCD. I am trying to check if the GLCD is working. Eventually I will be using this with an Atmega328. Here is the basic hookup I...
Tuesday, 17 August 2010 - 12:42
STK500 and Labview
Hi Guys, How can I communicate between the STK500 and Labview? I did read some stuff mentioning the USB to communicate between the AVR and Labview. Do I have to use LUFA? I have...
Wednesday, 11 August 2010 - 20:56
Changing ADC reference voltage
Hi Freaks, I am using an Mega328 with an ADC external reference of 5V. My resolution is about 4.8 mV. I want to make it 2.4mV. I know I can do this by adding a potential divider...
Monday, 12 July 2010 - 23:15
Question on TVS diode
Hi Freaks, I am trying to use the SM6T24A/CA TVS diode for one of my supplies. The supply voltage is 14V and current is 1A. Will this work to protect my circuit against transients...
Friday, 9 July 2010 - 19:40
Master in receive mode in SPI
Hi Guys, I am using the ATmega328 as the master and am trying to transmit some data to a slave (this is not a microcontroller but like a temp. sensor). I want to transmit some...
Tuesday, 27 April 2010 - 18:09
Send a number of characters to SPI and stop
Hi Guys, I am trying to send four bytes across the SPI on a Atmega328 configured as a master. Here is the code I am using: #include #include #include #define...
Monday, 19 April 2010 - 18:01
Odd problem with printf and uart
Hi Guys, I am using a Atmega328 for an app. The program has a USART, timer and ADC. I am using the stdout library functions for the printf to send strings to the UART. Here is a...
Thursday, 15 April 2010 - 14:47

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