I'm fairly new to electronics, and I've just got myself some sensors to experiment with using the Arduino Uno. I've been using an ultrasonic range sensor ( http://www.seeedstudio.com/depot/datasheet/Seeed%20Ultrasonic%20Sensor%20datasheet.pdf ), which has a Vcc, GND, and SIG pin. I assumed the data w…

Pinging devices?

GrooveFlotilla December 25, 2010, 8:10pm 2

Why the same pin?
All resources on a microcontroller are scarce!

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