update hcsr04.cpp by changing 20000 to 2000
Dependencies: Stepper mbed SDFileSystem Ultrasonic PinDetect millis
Diff: HCSR04.lib
- Revision:
- 8:3f4d78017fd9
- Parent:
- 3:fd2ca631ab44
update hcsr04.cpp by changing 20000 to 2000
Dependencies: Stepper mbed SDFileSystem Ultrasonic PinDetect millis