Retro Calculator with 16 Digit

Project with 2x (3x4 Switch) and 16x 7-Segment LED. I use Atmega 1284P with 12MHz / 3.3V on Arduino.Diskussion in German here: https://www.mikrocontroller.net/topic/371684

Project with 2x (3x4 Switch) and 16x 7-Segment LED. I use Atmega 1284P with 12MHz / 3.3V on Arduino.

Diskussion in German here: https://www.mikrocontroller.net/topic/371684

Project Elements

150221-17.jpg (JPG, 602.72 KB)

First Calculatorfunction x^2 in Test -- "1,0000001 expo 2" 29x pressed. (JPG, 29.71 KB)

128 Funktions on 24 taktile Switches ... (PNG, 32.75 KB)

Switch Layout with 24 taktile Swiitches

Switch Layou (PNG, 90.44 KB)

Information about other Sources ...

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