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Category Archives: MCU
Building 8bit ATARI test ROM in easy way
I was experimenting with damaged Atari 800XL and I need to test it in low level. I wrote several lines in machine code and it was pain in the ass to fill data to ROM chip. After entering HEX data … Continue reading
ATMEGA USB 13
Maybe I have some superstitious beliefs. So the are no Atmega USB 13 blog entry and no project #13.
ATMEGA USB 12
Next toys connected to my AVR-USB testing board are two Freescale semiconductors (ex Motorola) accelerometer chips: MMA3202D and MMA7260QT. First is “catastrophic” accelerometer chip with high-G (100g X-axis and 50g Y-axis) sensor. If you apply such acceleration to human body … Continue reading
ATMEGA USB 11
There are lots of “rainbow LED” projects in the internet. So, I decided to place something similar in my weblog. There are 4 hardware PWM outputs in ATMEGA16. So do not need to build fancy software routines to make pulse … Continue reading
ATMEGA USB 009
Blog entry 008 is not working… so here is 009 I installed electronic lock with Dallas (Maxim) i-Button chips. It was very simple, low security version of electronic lock as it uses DS1990A chips as the keys. Original lock was … Continue reading
ATMEGA USB 006
It is time to use USB. After several unsuccessful experiments I found some working project in the internet. Maybe other project are working too, but only this one was usable and understandable for me. As I need not only binary … Continue reading