{"type":"product","schema_version":"1.0","item_id":"100950401531","canonical_url":"https://tw.bid.yahoo.com/item/100950401531","title":"►1668◄HC-SR505 迷你 人體紅外感應模組PIR 感應器紅外線傳感器 HC SR 505 Arduino可用","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-26T17:54:21.619Z","current_price":30,"original_price":null,"stock_status":"in_stock","available_quantity":966,"sold_quantity":33,"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/d60fda7c-eb10-4ca3-a4e3-3d27d4567ac9.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/cef3d008-e7d6-4fa8-a7d3-d464f232e6aa.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e0842a2b-56f6-4fd0-866d-4e028d40dcc0.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e023e035-c9fa-4d09-be6a-77ac83f22517.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/6faa0ed1-471c-4eb1-9518-9a8b51fd8cad.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null}],"description":"產品概述：\n\nHC-SR505小型人體感應模組是基於紅外線技術的自動控制產品,靈敏度高，可靠性強，小體積，低電壓工作模式。廣泛應用於各類自動感應電器設備,尤其是乾電池供電的自動控制產品。\n\n產品特點：\n\n全自動感應:人進入其感應範圍則輸出高電平，人離開感應範圍則自動延時關閉高電平，輸出低電平。\n\n超小體積。\n\n可重複觸發方式：即感應輸出高電平後，在延時時間段內，如果有人體在其感應範圍活動，其輸出將一直保持高電平，直到人離開後才延時將高電平變為低電平（感應模組檢測到人體的每一次活動後會自動順延一個延時時間段，並且以後面的活動的時間為延時時間的起始點)。\n\n工作電壓範圍寬：預設工作電壓DC4.5V-20V。\n\n微功耗:靜態電流<50微安，特別適合乾電池供電的自動控制產品。\n\n輸出高電平信號：可方便與各類電路實現對接。\n\n應用範圍：\n\n人體感應燈具\n\n人體感應玩具\n\n安防產品\n\n工業自動化控制\n\n自動感應電器設備\n\n電池供電自動控制等\n\n/****************************************\n\n測試HC-SR505\n\n接線方式\n\nHC-SR505--> Arduino\n\n+       --> 5V\n\nOUT     --> Digital Pin4\n\n-       --> GND\n\n*************************************************/\n\nvoid setup() \n\n{\n\n  Serial.begin(9600);\n\n  pinMode(4,INPUT);\n\n  digitalWrite(4,LOW);\n\n}\n\nvoid loop() \n\n{\n\n    if(digitalRead(4)==HIGH) \n\n    {\n\n      Serial.println(\"Movement detected.\");\n\n    }\n\n    else \n\n    {\n\n      Serial.println(\"Nothing.\");\n\n    }\n\n    delay(1000);\n\n}","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":2,"watch_count":1}