Archive for arduino
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keypad: controlling two stepper motors
The next part of the puzzle is to get the keypad to control the two stepper motors. The keypad needs to respond (as the layout suggests) as follows: 1 = up and left; 2 = up; 3 = up and right etc. I also want all this wrapped up in a library so that […]
keypad: upgrading to a matrix keypad
one of the important upgrades from the proto-type is to change the old keypad, the knocked-up version described in this post, to a proper ‘matrix keypad’ (ie with numbered buttons) as seen on the right …
formatting code for blog
one of the issues that vexed me for a while was how to format code extracts in this blog. I wanted a system that could be used for a variety of different languages (c++, visual basic, css, php etc) and could be expanded […]
capeMirror v. 2 – a prototype
So, some holiday madness from Spain. The [first] prototype for an arduino-driven GoTo bincoular mirror mount. The pictures speak for themselves […]
breadboarding an arduino – crystals
trying to get the crystal changed from 16 Mhz to 20MHz. Followed this approach: http://www.cs.colorado.edu/~buechley/e-textile_kit/e-textile_kit_tech.html cores\wiring\WConstants.h changed as follows… […] // passed in at compile-time #ifndef F_CPU //#define F_CPU 16000000L #define F_CPU 20000000L #endif // passed in at compile-time #ifndef CPU_FREQ //#define CPU_FREQ 16000000L #define CPU_FREQ 20000000L #endif […] arduino-0010-win\arduino-0010\hardware\boards.txt changed (saved the old one […]
