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 the digital port 7 . T he hardware connection diagram Download