HMB | IoT | CH04 | Raspberry Pi with Python 04

Raspberry Pi with Python
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Content:
- What is Ultrasonic sensor HC-SR04?
- How to obtain the distance equation?
- How to map from 5v to 3.3v?
- How to calculate the distance in Python?
- Reading Ultrasonic sensor distances.
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By: Hossam M. Balaha
C.V.: http://bit.ly/2wAZ2nI