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Other Examples

These are more complex examples for using particular electronic components or accomplishing specific tasks. The code is included on the page.

Miscellaneous

• TwoSwitchesOnePin: Read two switches with one I/O pin
• Read a Tilt Sensor
• Controlling an LED circle with a joystick
• 3 LED color mixer with 3 potentiometers

Timing & Millis

• Capacitance Meter
• Stopwatch
• Heartbeat
• RCtime

Complex Sensors

• Reading the qprox qt401 linear touch sensor

Sound

• Play Tones from the Serial Connection?

Interfacing w/ Hardware

• Multiply the Amount of Outputs with an LED Driver
• Driving a Unipolar Stepper Motor
• Build your own DMX Master device
• Implement a software serial connection
  • RS-232 computer interface
• Interface with a serial EEPROM using SPI
• Control a digital potentiometer using SPI
• Multiple digital outs with a 595 Shift Register
• X10 output control devices over AC powerlines using X10