I-Servo SG90: yonke into ofuna ukuyazi malunga nale moto incinci yombane

Inkonzo SG90

Kukho iindidi ezininzi ze iimoto zombane, njengoko stepper, okanye iimotorkunye Iimoto servo. Ngaphakathi kokugqibela kukho iimodeli ezinomdla ngokwenene, ezinje imeko yeServo SG90. I-servo enokuthi ilungele iiprojekthi zokuqala, izenzo kunye nolu hlobo lwesixhobo, ukufunda, ukulawula i-robot elula, njl. Kwakhona, iimfuno zayo zamandla ziphantsi kakhulu, zinokude zinikwe amandla ukusuka kwi-a ipleyiti adrien okanye ukusuka kwizibuko le-PC USB ukuya kwi-5v.

Yintoni iMicro Servo SG90?

umncedisi

I-servo ye-SG90 yi-servo encinci, kunye nabanye imilinganiselo ehlangeneyo kakhulu ukukwazi ukudibanisa kwiiprojekthi apho indawo ibalulekile. Ukongezelela, kunoqoqosho kwaye kulula ukuyisebenzisa, kunye nemfuno ephantsi kakhulu yamandla, ngoko ke kunokwenzeka ukuba uyisebenzise kwi-embedded, i-IoT okanye ezinye izicelo eziphantsi.

Ngokuphathelele i-Servo SG90, le moto ye-servo ibandakanya udidi lwehlabathi jikelele isinxibelelanisi eya kukwazi ukungena kuninzi lwezixhobo zorhwebo. Yenziwe ngeengcingo ezi-3 ezinemibala echaza ukuba nganye isetyenziselwa ntoni:

  • Rojo: yintambo yamandla evumayo okanye iVcc (+)
  • UMarlon: Ngaba intambo yamandla ayinayo (-) okanye i-GND (umhlaba)
  • Orenji: yintambo ephethe i-PPM (I-Pulse Position Modulation) isignali yokulawula i-servomotor

Ezinye iimodeli zinokuba nokwakheka kombala Mnyama-Obomvu-Mhlophe, apho inkqubo kulo mzekelo iya kuba yi-GND-Vcc-PPM Signal ngokulandelelanayo.

Iimpawu ze-SG90 zeServo

Ewe iimpawu zobugcisa yale servomotor, iServo SG90 imele:

Ezi mpawu ziqikelelweyo, kuba zinokwahluka kancinane ngokuxhomekeke kwiimodeli kunye neempawu ze-SG90 servo. Ke ngoko, kungcono ukukhuphela idatabase ehambelana nemodeli oyithengileyo. Umzekelo, endaweni yokunyamezela amaqondo obushushu phakathi kwe -30 kunye ne 60ºC, abanye benza njalo ukusuka -10 ukuya ku-50ºC, abanye banokuvuma umbane ukusuka kwi-3 ukuya kwi-6V, njl.
  • ubunzima obuxhaswayo: phakathi kwe-1.2 kunye ne-1.6 Kg (yanele ubungakanani bayo obuncinci)
  • I-torque yemoto kwi-4.8v: 1.2kg/cm
  • Umbane osebenzayo: 4 – 7.2v
  • Isantya sokujikeleza kwi-4.8v: 0.12s/60º
  • i-engile yokujikeleza: 120º
  • Uluhlu lobushushu obusebenzayo: -30ºC kunye +60ºC
  • UbukhuluUbukhulu: 22 × 11.5 × 27 mm
  • U bunzima: 9 g okanye 10.6 g kuquka intambo kunye nesinxibelelanisi
  • Arduino-ehambelanayo: Ewe
  • isidibanisi jikelele: iyahambelana noninzi lwabamkeli berediyo (Futaba, JR, GWS, Cirrus, Hitec,…)

Uya kufumana kwakhona ezinye iinguqulelo zeServo SG90, njenge:

  • MG90S: Ngokufana ne-SG90, kodwa inezixhobo zentsimbi kunye nokudibanisa, ngoko inokuxhasa ukuya kuthi ga kwi-1.8kg.
  • MG996R: Inobukhulu obuncinane, kodwa inokuxhasa ukuya kuthi ga kwi-15 Kg xa yondliwa kwi-6V, okanye i-13 Kg ukuba yondliwe kwi-4.8v.

Iinkcukacha ezithe xaxe - Khuphela uxwebhu lwedatha

Apho uthenge imodeli ye-servo motor efana nale ngexabiso eliphantsi

Ukuba ufuna ukuthenga i-servomotor ye-Servo SG90 yolu hlobo, unokuzifumana kwiivenkile ezikhethekileyo zombane okanye kwiqonga leAmazon. Umzekelo, ezi mveliso zicetyiswayo:

Njengoko ubona, Zibiza kakhulu, kwaye unokuzithenga zikhululekile okanye kwiipakethi zeerobhothi kunye nezinye iiprojekthi apho ufuna khona ngaphezu kwesinye. Ukongeza, ezinye iipakethi zibandakanya izixhobo ezongezelelweyo, ezinje ngeeblade, izikrufu, njl.

Ewe ezahlukeneyo ecatshulwe ngasentla, unazo ezi:

Ngoku, ukuba le nto uyifunayo i-servomotor enamandla ngakumbi kwaye eyomeleleyo, ekwaziyo ukukwazi ukumelana nemithwalo emikhulu kunye netorque enkulu, emva koko ube nezinye ezixineneyo kodwa ezinomgangatho ophezulu wokusebenza:

Uyisebenzisa njani ngeArduino

Arduino IDE, iintlobo zedatha, inkqubo

Ukunika umzekelo womzobo we-Arduino IDE ukuze uqalise ukuqonda indlela ii-SG90 Servos ezisebenza ngayo, nantsi imeko esebenzayo. Kodwa kuqala, makhe sibone ukuba ufanele wenze njani qhagamshela i-servo kwibhodi yakho yeArduino:

  • VDC: Kufuneka idityaniswe kunikezelo lwamandla lwangaphandle okanye kwi-5V isidibanisi seArduino. Ukuba uza kusebenzisa izixhobo zombane ezininzi, khumbula ukuhlala ubeka umhlaba okanye i-GND ngokufanayo ukunqanda iingxaki.
  • GND: Ungayiqhagamshela kwi-GND yebhodi yeArduino.
  • Umqondiso wePPM: unokuya nakweyiphi na yezikhonkwane ze-PWM kwi-Arduino. Umzekelo, ukuya ku-D11 kumzobo wethu.

Ukubona ikhowudi yomthombo womzekelo, onokuthi uzame kwaye uyilungise ngokuthanda kwakho, unemizekelo yakho yomibini oyibonayo kwi IDE nge ithala leencwadi le-Servo.h, njengale enye:

#include <Servo.h>

Servo myservo;  //Crear el objeto servo

int pos = 0;    //Posición inicial del servo SG90

void setup() {
   myservo.attach(11);  //Vincular el pin 11 de Arduino al control del Servo SG90
}

void loop() {
   //Cambia la posición de 0º a 180º, en intervalos de 25ms
   for (pos = 0; pos <= 180; pos += 1) 
   {
      myservo.write(pos);              
      delay(25);                       
   }

   //Vuelve desde 180º a 0º, con esperas de 25ms
   for (pos = 180; pos >= 0; pos -= 1) 
   {
      myservo.write(pos);              
      delay(25);                       
   }
}

Iinkcukacha ezithe xaxe - Khuphela incwadi yenkqubo yeArduino


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  1. Uxanduva lwedatha: UMiguel Ángel Gatón
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