GE Attenuator / Mbed 2 deprecated VAM_DAX_RELIABILITY

update hcsr04.cpp by changing 20000 to 2000

Dependencies:   Stepper mbed SDFileSystem Ultrasonic PinDetect millis

HCSR04.lib

Committer:
rschimpf78
Date:
2019-01-18
Revision:
8:3f4d78017fd9
Parent:
3:fd2ca631ab44

File content as of revision 8:3f4d78017fd9:

https://os.mbed.com/users/rschimpf78/code/Ultrasonic/#52885486729c