FIGURE BLOCK DIAGRAM PIC12CXXX Button Button down Light
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SIMPLECIRCUITMorse Code Flasher
FIGURE
BLOCK DIAGRAM PIC12CXXX
Button Button down
Light (LED)
INTRODUCTION
Space
blinking project that learn Morse Code flashing patterns. Since PIC12CXXX parts small, this project built into button:
Surface Mount
Button
Back Button
Button Cells
FIGURE
SCHEMATIC
(3V)
PIC12CXXX
Emits Light Button Space/Restart/Program
Button Down/Short
Button Up/Long
Note: Input pins configured internal pull-ups.
Microchip Technology Incorporated, been granted nonexclusive, worldwide license reproduce, publish distribute submitted materials, either original edited form. author affirmed that this work original, unpublished work that he/she owns rights such work. property rights, such patents, copyrights trademarks remain with author.
1997 Microchip Technology Inc.
DS40160A/3_001-page 3-19
SimpleCircuitFIGURE FLOWCHART
Power
Program Mode
Button pressed sec?
Load flash byte
Short? Shift '10b'
bits?
Long? Shift '110b'
Load next flash byte
Reload flash byte
Button Up/Down?
Space? Shift '00b'
Change Delay Up/Down
Delay
button press? Exit Program
DS40160A/3_001-page 3-20
1997 Microchip Technology Inc.
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