{"type":"product","schema_version":"1.0","item_id":"100949812651","canonical_url":"https://tw.bid.yahoo.com/item/100949812651","title":"►1793◄PWM 脈波信號產生 頻率佔空比可調 模塊方波矩形波 信號發生器信號XY-LPWM","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-25T06:05:16.451Z","current_price":65,"original_price":null,"stock_status":"in_stock","available_quantity":998,"sold_quantity":1,"seller":{"id":"Y2849097376","name":"宇倉電子-全館(已含稅)開發票","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/5516273e-05f0-4769-9f86-e3242a280744.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d9401419-c2ba-425f-8ff9-c29ec030605e.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/458780ac-30e7-4150-b070-b122b0b7ab17.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/6df0926c-b864-4a75-9b2b-acce01f2071a.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"PWM脈衝頻率占空比可調 模組 方波矩形波信號發生器\n\n尺寸:長52*寬31*高9 mm   \n\n模組亮點：\n\n1.LCD液晶顯示頻率和占空比，非常清晰， PWM輸出可以分別設置頻率和占空比；\n\n2.頻率範圍寬，精度高；\n\n3.可串口通信\n\n一、模組說明\n\nPWM輸出，可以分別設置頻率、占空比；\n\n頻率分為四個範圍，自動切換：\n\n1. XXX(無小數點)：最小單位是1Hz，取值範圍1Hz~999Hz；\n\n2. X.XX（小數點在百位元）最小單位是0.01Khz，取值範圍1.00Khz~9.99Khz；\n\n3.  XX.X(小數點在十位)：最小單位是0.1Khz；取值範圍10.0KHz~99.9KHz\n\n4.  X.X.X (小數點在十位和百位)：最小單位是1Khz；取值範圍1KHz~150KHz\n\ne.g. 頻率顯示：100 表示PWM輸出100Hz的脈衝；\n\n                        1.01 表示PWM輸出1.01K的脈衝；\n\n                        54.1 表示PWM輸出54.1KHz的脈衝；\n\n                        1.2.4表示PWM輸出124KHz的脈衝；\n\n占空比取值範圍：0~100%；\n\n所有設置參數，掉電保存。\n\n二、參數設置\n\n模組有4個獨立按鍵，用來設置頻率和占空比，支持短按（增加或減小一個單位）和長按（快速增加或減小），非常簡單，設置完參數自動保存，掉電不丟失。\n\n三、模組參數：\n\n1.工作電壓：3.3~30V；\n\n2.頻率範圍：1Hz~150KHz；\n\n3.頻率精度：在每個範圍上的精度是2%左右；\n\n4.信號負載能力：輸出電流可在5~30ma左右；\n\n5.輸出幅度：PWM幅值與供電電壓相等；\n\n6.環境溫度：-20~+70℃。\n\n四、適用範圍：\n\n1.用作方波信號發生器，產生方波信號供實驗開發使用；\n\n2.用來產生控制電機驅動器的方波信號；\n\n3.產生可調脈衝，供MCU使用；\n\n4.產生可調脈衝，控制相關電路（PWM調光調速等應用）。\n\n五、串口控制（單片機TTL電平通信）\n\n通訊標準:9600 bps數據位元 :8\n\n停止位 :1\n\n校驗位 :none\n\n流控制 :none\n\n1、         設置PWM的頻率\n\n“F101”:設置頻率為101 HZ     (001~999)\n\n“F1.05”:設置頻率為1.05 KHZ      (1.00~9.99)\n\n“F10.5”:設置頻率為10.5KHZ  (10.0~99.9)\n\n“F1.0.5”:設置頻率為105KHZ  (1.0.0~1.5.0)\n\n2、         設置PWM的占空比\n\n“DXXX”:設置PWM的占空比為XXX；(001~100)\n\n例如D050，設置PWM占空比是50%\n\n3、         讀取設置參數\n\n發送“read”字串，讀取設置的參數。\n\n設置成功返回：DOWN；\n\n設置失敗返回：FALL。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092073513","category_name":"其他耗材","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092073513","name":"其他耗材","url":"/tw/%E5%85%B6%E4%BB%96%E8%80%97%E6%9D%90-2092073513-category.html"}],"view_count":0,"watch_count":2}