PROJECT 17: ROCKET LAUNCHER
IN THIS PROJECT WE’LL CREATE A PROGRAMMABLE COUNTDOWN TIMER THAT WE’LL USE TO LAUNCH A ROCKET BY IGNITING A FUSE WHEN THE COUNTDOWN REACHES 0.
PARTS REQUIRED
• Arduino board
• Breadboard
• Jumper wires
• Four-digit, seven-segment serial display
• Piezo buzzer
• 2 momentary tactile four-pin pushbutton
• 50k-ohm potentiometer
• 3 LEDs (red, green, yellow)
• 3 220-ohm resistors
LIBRARIES REQUIRED
• SoftwareSerial
We’ll use a four-digit, seven-segment serial display that has a built-in integrated circuit to control the ...
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