用L298N驱动直流电机,如需PWM调速,ENA、ENB使能端是直接接+5V吗?还是说连接在单片机的什么引脚上? L298n和单片机连接 使能端是连接单片机PWM波的两个输出...
L298\u9a71\u52a8 \u4e2d\u7684ENA ENB \u5f15\u811a\u63a5\u4ec0\u4e48\uff1f\u76f4\u63a5\u63a55V\u7535\u538b\u5417\uff1fENA\u548cENB\u5206\u522b\u662fL298\u4e2d\u4e24\u4e2a\u5168\u6865A\u548cB\u7684\u4f7f\u80fd\u7aef\u3002\u9700\u8981\u54ea\u4e2a\u6865\u5de5\u4f5c\u5c31\u5728\u54ea\u4e2a\u7aef\u7ed9\u9ad8\u7535\u5e73\uff0c\u5927\u4e8e2.5V\u5c31\u884c\uff0c\u63a55V\u7535\u538b\u4e5f\u884c\u3002
\u90fd\u53ef\u4ee5\uff0c\u4f7f\u80fd\u7aefpwm\u6216INpwm;
\u4f7f\u80fdpwm\u4ee5\u540eIN\u7ed9\u6781\u6027\u4fe1\u53f7\u3002
绛旓細鐢↙298N椹卞姩鐩存祦鐢垫満锛屽闇PWM璋冮燂紝ENA銆丒NB浣胯兘绔渶濂芥帴鍗曠墖鏈虹殑IO鍙d笂锛岃繖鏍峰彲鎺э紝濡傛灉鐩存帴鎺5V鐨勮瘽锛岄偅涔堝氨涓嶅彲鎺т簡銆
绛旓細鍗曠墖鏈烘垨鏍戣帗娲句竴鑸浣跨敤 L298n 妯″潡鏉椹卞姩鐢垫満 銆侺298N鐨勫疄鐗╁浘濡備笅銆12V power锛歀298n 鐨勭數婧愭鏋侊紝灏界鏍囩殑 12V锛屼絾浣犲彲浠ヤ娇鐢 7V ~ 35V 鐨勭數婧愩侴ND: L298n 鐨勭數婧愬湴锛屾爲鑾撴淳鐨 GND 寮曡剼涔熻鎺ュ埌杩欓噷锛屽嵆 L298N 鍜 鏍戣帗娲闇瑕鍏卞湴銆5V power: L298n 杈撳嚭鐨 5v 鐢垫簮锛屾槸鐢...
绛旓細閭e氨鍙夌敤涓や釜绔彛锛岀粰鐩稿搴旂殑涓や釜鎺у埗绔姞淇″彿灏辫浜嗐備篃鍙互鍙互鎶妎ut1鍜宱ut2鎺ヤ竴璧凤紝3鍜4鎺ヤ竴璧凤紝鐒跺悗缁1 2瀵瑰簲鐨勬帶鍒剁楂樼數骞筹紝3 4瀵瑰簲鐨勬帶鍒剁浣庣數骞筹紙姝h浆锛夛紝1 2浣庣數骞筹紝3 4楂樼數骞筹紙鍙嶈浆锛夈
绛旓細L298N濡備綍椹卞姩鐩存祦浼烘湇鐢垫満 鎴戞潵绛 1涓洖绛 #鐑# 鍝簺鐧岀棁鍙兘浼氶仐浼犵粰涓嬩竴浠?鍗冪煶鎶氬瓙caay2 2021-01-26 路 TA鑾峰緱瓒呰繃135涓禐 鐭ラ亾绛斾富 鍥炵瓟閲:124 閲囩撼鐜:50% 甯姪鐨勪汉:29.1涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 涓轰綘鎺ㄨ崘:...
绛旓細杩欎釜鍙嶅悜鐢靛帇灏变細鍔犲湪L298鐨勫姛鐜囧紑鍏冲櫒浠朵笂锛屽皢L298鐨勫姛鐜囧紑鍏冲櫒浠跺嚮绌跨儳鍧忥紝鎵浠ヨ寤虹珛涓涓硠鏀鹃氶亾锛屽皢缁曠粍鑷劅鐢靛姩鍔挎墍浜х敓鐨勯珮鍘嬪拰鐢垫祦閲婃斁锛屼互淇濇姢鍔熺巼寮鍏冲櫒浠躲侱1銆丏6锛孌2銆丏5涓ょ粍鐨勪綔鐢ㄥ垎鍒负锛欰鐢垫満姝h浆鏃讹紝OUT1涓烘锛孫UT2涓哄湴锛岀數娴佷粠OUT1缁廇缁曠粍娴佸悜OUT2銆傚綋鍒囨柇鐢垫祦锛岀數鏈鍋滆浆鏃禔鐢垫満...
绛旓細濡傛灉杞緱寰堟參锛岄偅灏辨槸鐢垫満鏈韩鐨勯棶棰樹簡锛岀洿鎺ユ崲涓涓侾S:寰堟湁鍏崇郴鐨勩傚鏋滀綘鐨勭數鏈哄甫浜嗗噺閫熻缃紝閭h偗瀹氬揩涓嶈捣鏉ヤ簡銆傝繖绉嶇數鏈轰竴鑸敤浜闇瑕绮剧‘鎺у埗鐨勯鍩燂紙褰撶劧杩樹笉鏄簿瀵嗘帶鍒讹紝閭e緱鐢ㄦ杩涚數鏈轰簡锛夈傚甫鍑忛熺殑鐢垫満鍙槸濂戒笢瑗匡紝姣斾竴鑸殑鐩存祦鐢垫満璐典笉灏戙備綘鐨勯棶棰樹篃鎻愬緱澶畝鍗曪紝鐩存帴璇村甫鍑忛熺殑鐩存祦鐢垫満涓...
绛旓細arduino鐨L298N鐢垫満椹卞姩妯″潡鍜鐩存祦鐢垫満鎺ョ嚎鍏蜂綋姝ラ濡備笅锛1.绗竴姝ワ紝灏嗘暟瀛3銆4鑴氭帴L298妯″潡鐨勭殑IN1鍜孖N2(閫昏緫杈撳叆)鑴氥2.绗簩姝ワ紝10鎺NA鑴(閫氶亾A浣胯兘)鐢垫満鎺UT1鍜孫UT2杈撳嚭鍙c3.绗笁姝ワ紝鎶婃帶鍒舵澘涓婄殑GND鍜孷CC鍒嗗埆鎺ュ埌L298N椹卞姩妯″潡涓婄殑渚涚數GND鍜屾澘杞5V浣胯兘銆4.绗洓姝ワ紝杈撳叆浠g爜銆5.绗簲...
绛旓細闄ら潪閭d笉鏄綘鎵璇寸殑鐩存祦浼烘湇鐢垫満,鐩存祦鐢垫満鏈鏄庢樉鐨勬爣蹇楁槸鏈変袱涓垨鍥涗釜鐐埛瀹夎鍙,瀹夎鍙e鏈夊渾鏌卞鏂欏皝鍙,灏佸彛鐢ㄨ灪涓濆垁鍙姌涓嬪甫鍑虹偔鍓сL298N鍙悓鏃堕┍鍔ㄤ袱涓鐩存祦鐢靛姩鏈銆濡傞渶瑕姝e弽杞佽皟閫熺瓑鎺у埗,鍙敤L298椹卞姩,浣哃298椹卞姩60W鐨勭數鏈轰細寰堝悆鍔涖傝嚦浜嶭298涓庣數鏈哄浣曡繛鎺,鍦ㄧ綉涓婁笅杞戒唤L298璇存槑涔﹀氨涓鐩簡...
绛旓細搴旇3v浠ヤ笂灏辫銆傘傘l298n鐨勭數鍘嬭寖鍥村ソ鍍忔槸2.5v鍒40澶歷銆傘傘傚缓璁ぇ浜5v灏忎笌9v閮芥病浜锛岀洿娴佺數鏈杩囪浇鑳藉姏寰堝己浣嗘槸瑕佷繚璇佽兘鎻愪緵瓒冲鐨勭數娴侊紝鐢靛帇瑕佺ǔ瀹
绛旓細VDD鐢8~9V锛屽叾鍐呴儴H妗ヤ娇鐢ㄧ殑鏄弻鏋佸瀷绠″瓙锛屼笂鑷備笅鑷傞兘鏈夐ケ鍜屽帇闄嶏紝鎬昏鍦2~3V宸﹀彸锛屽洜姝DD瑕佺敤楂樼偣銆