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Ultrasonic Sensor HC-SR04
Ernie Patenia Tori Speer-Manson
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Introducing... 4 Pins Vcc (5-20 [V]) Trig Echo Gnd
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Outline SR04 Timing Diagram Organization of Timers
TI RTOS Timers and HWI Timer MUX Pins Interrupt Vector Sheet
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SR04 Timing Diagram
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Organization of Timers
WTimer 2 Timer A Timer B Timer 3 15 μs trigger (pulse)
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Timer MUX Pins Wide Timer
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Interrupt Vector Sheet
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TI RTOS Timers Trigger Timer
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TI RTOS Timers Echo Timer
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Now for a short demonstration…
TI RTOS HWI Hardware Interrupt Now for a short demonstration…
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Questions
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