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2 items tagged "ti 84 graphing calculator"

Related tags: owen [+], calculator [+], z80 assembly [+], wifi [+], touch [+], quadcopter [+], hacks [+], directional pad [+], cons [+], classic [+], bluetooth module [+], assembly [+], arduino [+]

August 15, 2012
8:01
Toorcamp: Quadcopter Controlled By a TI-84+
» ‎ Hack a Day

What happens when you combine a TI-84+ graphing calculator with an added bluetooth module, a 1 Watt Alfa wifi dongle, and a Parrot Wifi Quadcopter? You get a long range quadcopter that’s controlled from the TI-84+ directional pad. This TI-84+ looks like a standard issue school calculator, but [Owen] added an ATTiny13 microcontroller and a [...]
Tags: calculator quadcopter wifi owen ti-84-graphing-calculator bluetooth-module directional-pad cons
April 03, 2010
13:12
Touch screen for graphing calculator
» ‎ Hack a Day

[Owen] got down and dirty by adding a touchscreen to his TI-84 graphing calculator. The dirty part is the z80 assembly code he wrote to use the linkport as a UART (assembly always makes us feel queasy). Once that was working he implemented some commands using an Arduino and then hooked up an Nintendo DS [...]
Tags: touch calculator assembly owen ti-84-graphing-calculator z80-assembly arduino classic hacks