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灏囦己鏈嶉浕姗�(j墨)鑸嘝IC寰帶鍒跺櫒閫f帴鐨勬暀绋�

鏅�(sh铆)闁擄細2022-11-15 09:27:33渚嗘簮锛歝ircuitdigest

灏�(d菐o)瑾烇細?鍦ㄦ湰鏁欑▼涓�锛屾垜鍊戝皣浜嗚В浼烘湇闆绘(j墨)浠ュ強濡備綍灏囦己鏈嶈垏 MSP430 閫f帴銆侻SP-EXP430G2 鏄痉宸炲剙鍣ㄦ彁渚涚殑闁嬬櫦(f膩)宸ュ叿锛屽張鍚� LaunchPad锛岀敤浜庡(xu茅)缈�(x铆)鍜岀反缈�(x铆)濡備綍浣跨敤鍏跺井鎺у埗鍣�銆�

銆€銆€瑭叉澘灞簬 MSP430 瓒呭€肩郴鍒楅鍒ワ紝鎴戝€戝彲浠ュ湪鍏朵腑灏�(du矛)鎵€鏈� MSP430 绯诲垪寰帶鍒跺櫒閫�(j矛n)琛岀法绋�銆�

銆€銆€浼烘湇闆绘(j墨)鍜岃剤瀵(di脿o)鍒跺櫒锛�

銆€銆€鍦ㄨ┏绱�(x矛)浠嬬垂涔嬪墠锛岄鍏堟垜鍊戞噳(y墨ng)瑭蹭簡瑙�浼烘湇闆绘(j墨)銆�

銆€銆€浼烘湇闆绘(j墨)鏄洿娴侀浕姗�(j墨)銆佷綅缃帶鍒剁郴绲�(t菕ng)鍜岄綊杓殑绲勫悎銆�浼烘湇绯荤当(t菕ng)鍦ㄧ従(xi脿n)浠d笘鐣屼腑鏈夎ū澶氭噳(y墨ng)鐢�锛屽洜姝�锛屽畠鍊戞湁涓嶅悓鐨勫舰鐙€鍜屽昂瀵�銆傛垜鍊戝皣鍦ㄦ湰鏁欑▼涓娇鐢⊿G90浼烘湇闆绘(j墨)锛屽畠鏄祦琛屼笖鏈€渚垮疁鐨勪竴绋�銆係G90鏄�180搴︿己鏈�銆傚洜姝わ紝浣跨敤姝や己鏈嶅櫒锛屾垜鍊戝彲浠ュ皣杌稿畾浣嶇偤0-180搴︺€�

銆€銆€浼烘湇闆绘(j墨)涓昏鏈変笁鏍圭窔锛屼竴鏍圭敤浜庢闆诲锛屽彟涓€鏍圭敤浜庢帴鍦�锛屾渶鍚庝竴鏍圭敤浜庝綅缃ō(sh猫)缃€傜磪绶氶€f帴鍒�闆绘簮锛屾鑹茬窔閫f帴鍒板湴锛岄粌绶�(鎴栫櫧绶�)閫f帴鍒颁俊铏�(h脿o)銆�

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銆€銆€姣忓€�(g猫)浼烘湇闆绘(j墨)鍦ㄤ笉鍚岀殑PWM闋荤巼涓婇亱(y霉n)琛�(鏈暀绋嬩腑浣跨敤鐨勬渶甯歌闋荤巼鏄�50HZ)锛屽洜姝よ珛(q菒ng)鐛插彇闆绘(j墨)鐨勬暩(sh霉)鎿�(j霉)琛ㄤ互妾㈡煡浼烘湇闆绘(j墨)鍦ㄥ摢鍊�(g猫)PWM鍛ㄦ湡宸ヤ綔銆�

銆€銆€PWM(鑴堝瑾�(di脿o)鍒�)淇¤櫉(h脿o)鐨勯牷鐜囧彲鑳藉洜浼烘湇闆绘(j墨)鐨勯鍨嬭€岀暟銆傞€欓噷閲嶈鐨勬槸PWM淇¤櫉(h脿o)鐨勫崰绌烘瘮銆傛牴鎿�(j霉)姝よ矤(f霉)杓夐厤绲�锛屾帶鍒堕浕瀛愯ō(sh猫)鍌欒(di脿o)鏁磋桓銆�

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銆€銆€灏�(du矛)浜庤绉诲嫊(d貌ng)鍒� 12 榛�(di菐n)鏅�(sh铆)閻樼殑杌�锛屼俊铏�(h脿o)鐨勫皫(d菐o)閫氭檪(sh铆)闁撳繀闋堢偤 1.5ms锛岄棞(gu膩n)闁夋檪(sh铆)闁撴噳(y墨ng)鐐� 16.5ms銆傝┎姣旂巼鐢辨帶鍒剁郴绲�(t菕ng)鍦ㄤ己鏈嶄腑瑙g⒓锛屽苟鎿�(j霉)姝よ(di脿o)鏁翠綅缃€傛铏曠殑PWM鏄娇鐢∕SP430鐢熸垚鐨�銆�

銆€銆€鎵€闇€鏉愭枡锛�

銆€銆€MSP430

銆€銆€SG90 鑸垫(j墨)

銆€銆€鍏�-姣嶇窔

銆€銆€闆昏矾鍦栧拰瑾槑锛�

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銆€銆€鍦∕SP430涓�锛屾垜鍊戞湁闋�(y霉)瀹氱京鐨勫韩锛屽苟涓� PWM 鍑芥暩(sh霉)宸茬稉(j墨ng)鍦ㄩ€欎簺搴腑绶ㄥ锛屽洜姝ゆ垜鍊戜笉蹇�?f霉)?d膩n)蹇� PWM 鍊�銆傛偍鍙渶杓稿叆瑕佹棆杞�(zhu菐n)杌哥殑瑙掑害锛屽叾浣欓儴鍒嗙敱閫欎簺搴拰寰帶鍒跺櫒鎿嶄綔銆�

銆€銆€鍦ㄩ€欓噷锛屾垜鍊戜娇鐢ㄥ紩鑵�6.鍗砅1.4.閫欐槸MSP430鐨凱WM寮曡叧銆備絾鏄偍鍙互浣跨敤浠讳綍 PIN 纰笺€傛矑鏈夊繀瑕佸皣PWM寮曡叧鐢ㄤ簬浼烘湇锛屽洜?y脿n)妯楊媱锠礧M鍔熻兘閮藉鍦ㄥ韩鏈韩涓€�

銆€銆€鐢ㄤ簬鎺у埗浼烘湇鐨勯牠鏂囦欢鏄€渟ervo.h鈥�銆�

銆€銆€鎴戝€戝皣浣跨敤Energia IDE渚嗙法瀵垜鍊戠殑浠g⒓銆備唬纰肩啊(ji菐n)鍠槗鎳�銆傚畠鑸嘇rduino鐩稿悓锛屽彲浠ュ湪鈥滅ず渚嬧€濊彍鍠腑鎵惧埌銆�

銆€銆€#include

銆€銆€Servo sg90servo; // create servo object to control a servo

銆€銆€int angle = 0; // variable to store the servo position

銆€銆€void setup()

銆€銆€{

銆€銆€Sg90servo.attach(4); // attaches the servo on pin 4 to the servo object

銆€銆€}

銆€銆€void loop()

銆€銆€{

銆€銆€for(angle = 0; angle< 180; angle++) // goes from 0 degrees to 180 degrees

銆€銆€{ // in steps of 1 degree

銆€銆€Sg90servo.write(angle); // tell servo to go to position in variable 'angle鈥�

銆€銆€delay(20); // waits 20ms for the servo to reach the position

銆€銆€}

銆€銆€for(angle = 180;angle>=1; angle--) // goes from 180 degrees to 0 degrees

銆€銆€{

銆€銆€Sg90servo.write(angle); // tell servo to go to position in variable 'angle'

銆€銆€delay(20); // waits 20ms for the servo to reach the position

銆€銆€}

銆€銆€}


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