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Discussion Title Created date
I2C waveform Strange
Hi I Have been working on a project to control a I2C LCD & for the most part it seems to working fine. I am having some trouble reading the busy flag but it may still be a...
Friday, 6 June 2014 - 08:35
Battery Charge
Hi This circuit is on a small outboard & is used to charge a lead acid 12volt battery. I would like the circuit for the regulator in the picture. It seems to limit the AC...
Monday, 7 April 2014 - 21:36
Atiny Wavelength capture
Hi Im trying to get a wavelength value & save it to the internal eeprom, to be read via a programmer later. The problem is the 8bit registers in the Atiny45 aren't big enough...
Monday, 24 March 2014 - 07:38
EEPROM
I have a interesting question about the actual size of the eeprom inside a ATtiny45 chip. It says it has 256 bytes of memory but from what i can make out it has 241bytes of actual...
Friday, 28 June 2013 - 04:33
USB
Has anybody ever created a simple USB library that works. I just need a HID to send data from AVR to PC etc. The only thing i want is to -change the vendor & device name -...
Saturday, 11 May 2013 - 11:02
Char to graphic screen
Hi i have a 128 x 64 all graphic screen with no internal character memory. My question is how do you take a char character & write it to the screen? I imagine you would have...
Sunday, 15 July 2012 - 12:45
Pin check issue
Ok im not sure why the pin check in the if statement doesn't work. It works fine by itself but not as in the statement below. Can someone tell me why? im trying to create...
Friday, 6 July 2012 - 02:11
Int to char
Ok ive been at it for a day & im stuck again. Im trying to take 3 int values convert them to char & then combine the 3 chars into one value. I would have used string but i...
Sunday, 10 June 2012 - 04:51
ATmega324 Second timer
Hi Im using a ATmega324P & im doing a second count. If i use a overflow or CTC i still get less 31us per second. Over the case of hours it goes out. Im am using an external 32...
Friday, 8 June 2012 - 13:39
ICP Frequency capture
Hi im trying to get the frequency or PulseWidth using ICP. Im just using a standard square wave of 1ms PulseWidth. Is there anything wrong with this code as i don't think im...
Wednesday, 16 May 2012 - 05:03
ATmega324 Asynchronous timer wakeup
Hi For some reason this code doesn't work properly & i have tried everything i know & read the data sheet. It is supposed to send the micro to sleep then wake two seconds...
Sunday, 29 April 2012 - 05:07
Atmega32u4 Interrupt
Hi I have been trying and reading to get interrupts working INT6, but i just cant get it to work. Eventually it will be used to wake it from sleep but at the moment i cant get it...
Monday, 19 March 2012 - 06:06

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