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Programmer on USB port
I know there are a variety of USB based AVR propgrammers aroud but I thought that this project would be a way to learn to use the USB with AVR. My simple thought is to make the...
Sunday, 13 November 2011 - 13:02
Searching electronic component data sheets
First of all - it has been a VERY long time since I last wrote something here. I think it must be at least one year... During this time some water has been flowing under the...
Sunday, 13 November 2011 - 02:55
M-Systems Disk On Chip Problems
So I decided to make use of the DIsk On Chip flash disk units I have on my "stock". The device is connected to a system like a 8 bit wide memory. The electrical signals are...
Tuesday, 13 July 2010 - 13:05
DS18S20 yields strange result
First of all - long time - no c. I have been fiddling with the Dallas DS18S20 temperature sensor. The 1wire protocol has been nasty to implement mostly because of the quite strict...
Sunday, 30 May 2010 - 21:42
New fun project with Atmega32, GSM Modem - with source code
Now, here is my latest "thing" that is taking care of my personal baby-sitting (It keeps me busy so I am not doing any no-no things). It has: - Current controlled PWM PSU -...
Friday, 29 January 2010 - 18:49
Using internal AREF to create AREF/2 reference
I have this: * Atmega32L * 3V * About to use internal AREF (bandgap) I need the AREF/2 voltage in order to sample audio signal having the "zero" on between min/max values. Can I...
Saturday, 9 January 2010 - 03:00
DTMF Decoder Bit Bang
For starters - I know there are perfectly working IC:s for decoding the DTMF and that those are very easy to use. but ... I have more than 300 Atmega32 MCU:s sitting on my shelf...
Tuesday, 8 December 2009 - 00:14
20Log(x/y) - Converting (sound)pressure into decibels
First of all - Here is the thing (Click image for full size): It is a relatively simple Decibel meter. So I need to convert the value from the ADC into decibels. Does anyone have...
Monday, 23 November 2009 - 04:25
Questions about SPI, Fonts and such
And the answer is NOT 42 ... So. I have put aside the largish GSM controller project "for a while" and started fiddling something that should have been easier... This is an user...
Monday, 16 November 2009 - 01:27
Just for fun
Oh-man :roll: Some day I get REALLY carried out. This started as a very simple GSM thingy that would have two DAC:s in order to make it speak back to You. SMS messages are so...
Tuesday, 3 November 2009 - 00:40
2.4 GHz Radio Modem
Click the image to visit the project page Just finished this prototype for a 2.4GHz radio modem. Since I have 300 pcs of these CC2400 chips on my shelf I decided to give it a try...
Saturday, 26 September 2009 - 04:28
Long time - no c - Programmer Dongle Project
Hi everyone ! It was a while when I last wrote to this forum. This does not mean that I would have ignored it - I have not just written here. I finally got fed up with my STK200...
Tuesday, 15 September 2009 - 22:51

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