21. Arduino learning notebook-- Experiment of controlling steering engine
 21. Arduino learning notebook-- Experiment of controlling steering engine     Juvtmall  ( a company supply  PCB Prototyping ,  PCBA service  and sell kinds of  components, modules  and so on)  ( Catduino has the same function of Arduino)       Here use Arduino duemilanove to control the rotation of steering engine through a potentiometer.     Material preparation:   A a rduino duemilanove   A 10K potentiometer   A steering engine   A breadboard   Some  connected wires     It should be noted here, do not use the computer usb to s upply  power , because if the current demand is greater than 500ma, the  usb  may be burned, it is recommended to use the external power supply.     The left and right   pins  of the potentiometer are connected with 3.3V and GND respectively ,  the middle pin is connected with the analog port 0.   Steering engine  is connected with  5V and GND, the signal port is connected to t...
 
 
 
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