實現通過手柄讓小車前進/后退/左轉/右轉
成品展示

視頻演示
https://www.bilibili.com/video/BV1Va4y1t7sP?pop_share=1
材料:
彩色杜邦線 若干
arduino 開發板1個
L298n 電機驅動模塊 1個
9V 電池一個
直流電機 4個
ps2 無限遙控手柄
一個載體,我這個是個快遞紙盒子裁出來的紙板子/各個模塊中間用牙簽固定的.......
將材料按圖連接,自己畫的

電機AB 保持同方向正轉或倒轉
電機CD 保持同方向正轉或倒轉
引腳線連接以單獨說明為准,1,2,3,4,5,6....
電池正極接VIN接L298N的12v輸入
實現代碼:
#include <PS2X_lib.h> PS2X ps2x; //right now, the library does NOT support hot-pluggable controllers, meaning //you must always either restart your Arduino after you connect the controller, //or call config_gamepad(pins) again after connecting the controller. //說明:線連接好后,ps2手柄,前車往前移動,后-車往后移動.... int error = 0; byte type = 0; byte vibrate = 0; // 電機控制引腳; #define IN1 4 #define IN2 5 #define IN3 6 #define IN4 7 void setup() { pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(IN3, OUTPUT); pinMode(IN4, OUTPUT); Serial.begin(57600); delay(300) ; error = ps2x.config_gamepad(13, 11, 10, 12, true, true); //GamePad(clock, command, attention, data, Pressures?, Rumble?) if (error == 0) { Serial.println("Found Controller, configured successful"); Serial.println("Try out all the buttons, X will vibrate the controller, faster as you press harder;"); Serial.println("holding L1 or R1 will print out the analog stick values."); Serial.println("Go to www.billporter.info for updates and to report bugs."); } else if (error == 1) Serial.println("No controller found, check wiring, see readme.txt to enable debug. visit www.billporter.info for troubleshooting tips"); else if (error == 2) Serial.println("Controller found but not accepting commands. see readme.txt to enable debug. Visit www.billporter.info for troubleshooting tips"); else if (error == 3) Serial.println("Controller refusing to enter Pressures mode, may not support it. "); type = ps2x.readType(); switch (type) { case 0: Serial.println("Unknown Controller type"); break; case 1: Serial.println("DualShock Controller Found"); break; case 2: Serial.println("GuitarHero Controller Found"); break; } } void loop() { /* You must Read Gamepad to get new values Read GamePad and set vibration values ps2x.read_gamepad(small motor on/off, larger motor strenght from 0-255) if you don't enable the rumble, use ps2x.read_gamepad(); with no values you should call this at least once a second */ if (error == 1) return; if (type == 2) { ps2x.read_gamepad(); //read controller if (ps2x.ButtonPressed(GREEN_FRET)) Serial.println("Green Fret Pressed"); if (ps2x.ButtonPressed(RED_FRET)) Serial.println("Red Fret Pressed"); if (ps2x.ButtonPressed(YELLOW_FRET)) Serial.println("Yellow Fret Pressed"); if (ps2x.ButtonPressed(BLUE_FRET)) Serial.println("Blue Fret Pressed"); if (ps2x.ButtonPressed(ORANGE_FRET)) Serial.println("Orange Fret Pressed"); if (ps2x.ButtonPressed(STAR_POWER)) Serial.println("Star Power Command"); if (ps2x.Button(UP_STRUM)) //will be TRUE as long as button is pressed Serial.println("Up Strum"); if (ps2x.Button(DOWN_STRUM)) Serial.println("DOWN Strum"); if (ps2x.Button(PSB_START)) //will be TRUE as long as button is pressed Serial.println("Start is being held"); if (ps2x.Button(PSB_SELECT)) Serial.println("Select is being held"); if (ps2x.Button(ORANGE_FRET)) // print stick value IF TRUE { Serial.print("Wammy Bar Position:"); Serial.println(ps2x.Analog(WHAMMY_BAR), DEC); } } else { //DualShock Controller ps2x.read_gamepad(false, vibrate); //read controller and set large motor to spin at 'vibrate' speed if (ps2x.Button(PSB_START)){ //will be TRUE as long as button is pressed Serial.println("Start is being held"); }else if (ps2x.Button(PSB_SELECT)){ Serial.println("Select is being held"); }else if (ps2x.Button(PSB_PAD_UP)) { // 前 Serial.print("Up held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_UP), DEC); Serial.print("---------前進 "); digitalWrite(IN1, LOW); digitalWrite(IN2, HIGH); digitalWrite(IN3, HIGH); digitalWrite(IN4, LOW); }else if (ps2x.Button(PSB_PAD_RIGHT)) { // 右 Serial.print("Right held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_RIGHT), DEC); Serial.print("---------右轉 "); digitalWrite(IN1, LOW); digitalWrite(IN2, HIGH); digitalWrite(IN3, LOW); digitalWrite(IN4, HIGH); }else if (ps2x.Button(PSB_PAD_LEFT)) { // 左 Serial.print("LEFT held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_LEFT), DEC); Serial.print("---------左轉 "); digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW); digitalWrite(IN3, HIGH); digitalWrite(IN4, LOW); }else if (ps2x.Button(PSB_PAD_DOWN)) { // 后 Serial.print("DOWN held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_DOWN), DEC); Serial.print("---------后退 "); digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW); digitalWrite(IN3, LOW); digitalWrite(IN4, HIGH); }else if(ps2x.Button(PSB_SELECT)){ // SELECT digitalWrite(IN1, LOW); //停 digitalWrite(IN2, LOW); digitalWrite(IN3, LOW); digitalWrite(IN4, LOW); }else{ // 沒有任何操作,停止電機轉動 digitalWrite(IN1, LOW); //停 digitalWrite(IN2, LOW); digitalWrite(IN3, LOW); digitalWrite(IN4, LOW); } vibrate = ps2x.Analog(PSAB_BLUE); //this will set the large motor vibrate speed based on //how hard you press the blue (X) button if (ps2x.NewButtonState()) //will be TRUE if any button changes state (on to off, or off to on) { if (ps2x.Button(PSB_L3)) Serial.println("L3 pressed"); if (ps2x.Button(PSB_R3)) Serial.println("R3 pressed"); if (ps2x.Button(PSB_L2)) Serial.println("L2 pressed"); if (ps2x.Button(PSB_R2)) Serial.println("R2 pressed"); if (ps2x.Button(PSB_GREEN)) Serial.println("Triangle pressed"); } if (ps2x.ButtonPressed(PSB_RED)) //will be TRUE if button was JUST pressed Serial.println("Circle just pressed"); if (ps2x.ButtonReleased(PSB_PINK)) //will be TRUE if button was JUST released Serial.println("Square just released"); if (ps2x.NewButtonState(PSB_BLUE)) //will be TRUE if button was JUST pressed OR released Serial.println("X just changed"); if (ps2x.Button(PSB_L1) || ps2x.Button(PSB_R1)) // print stick values if either is TRUE { Serial.print("Stick Values:"); Serial.print(ps2x.Analog(PSS_LY), DEC); //Left stick, Y axis. Other options: LX, RY, RX Serial.print(","); Serial.print(ps2x.Analog(PSS_LX), DEC); Serial.print(","); Serial.print(ps2x.Analog(PSS_RY), DEC); Serial.print(","); Serial.println(ps2x.Analog(PSS_RX), DEC); } } delay(50); }
需要引入:PS2X_lib 庫文件
庫文件下載地址--//--//--//--/
鏈接:https://pan.baidu.com/s/1CL3qVEvgGvnv9fp_frA0iQ
提取碼:ocpc
