Ultrasonic Range Finding
Yesterday I got a Sainsmart HC-SR04 Ultrasonic Distance Sensor . This is a very simple to use and very inexpensive sensor that gives accurate range readings up to 400cm or so. There are 4 wires to connect: Gnd Vcc (5vdc) Trig (any digital pin) Echo (any dig...
Yesterday I got a Sainsmart HC-SR04 Ultrasonic Distance Sensor . This is a very simple to use and very inexpensive sensor that gives accurate range readings up to 400cm or so. There are 4 wires to connect: Gnd Vcc (5vdc) Trig (any digital pin) Echo (any dig...
No comments:
Post a Comment