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Ultrasonic Sensor HC-SR04

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Presentation on theme: "Ultrasonic Sensor HC-SR04"— Presentation transcript:

1 Ultrasonic Sensor HC-SR04
Ernie Patenia Tori Speer-Manson

2 Introducing... 4 Pins Vcc (5-20 [V]) Trig Echo Gnd

3 Outline SR04 Timing Diagram Organization of Timers
TI RTOS Timers and HWI Timer MUX Pins Interrupt Vector Sheet

4 SR04 Timing Diagram

5 Organization of Timers
WTimer 2 Timer A Timer B Timer 3 15 μs trigger (pulse)

6 Timer MUX Pins Wide Timer

7 Interrupt Vector Sheet
*

8 TI RTOS Timers Trigger Timer

9 TI RTOS Timers Echo Timer

10 Now for a short demonstration…
TI RTOS HWI Hardware Interrupt Now for a short demonstration…

11 Questions


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