{"type":"product","schema_version":"1.0","item_id":"100390556696","canonical_url":"https://tw.bid.yahoo.com/item/100390556696","title":"帶端子線【阿財電料】CT-02B USB 轉 RS485 UART 工業 轉換器 轉換 模組 控制 485 轉接","subtitle":"專業級 TTL 互轉 RS485 轉換模組，支援 3.3V/5V 雙電壓，硬體自動流向控制設計，具備接收發送指示燈，工業級耐用設計，適用於","condition":"全新品","currency":"TWD","observed_at":"2026-07-29T20:49:15.731Z","current_price":62,"original_price":null,"stock_status":"in_stock","available_quantity":24,"sold_quantity":3,"seller":{"id":"Y6279183563","name":"阿財電料","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/74151a09-1bab-4a7b-af54-092e270cce53.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4c74f94d-afd5-4fdc-9e48-1ef88d1b3127.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/fad81dee-f24d-4f91-be43-0a1b74f473ee.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/ac166917-6785-4a0b-a18c-6064f6ea2a4c.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"⚠️ 訂單總額未滿100元（不含運費）不出貨，請勿下標  \n      📋 購買須知\n          ❶ 台灣倉庫現貨\n      ❷ 價格統一，無法議價\n      ❸ 無面交自取服務\n      ❹ 可開免用統一發票收據（請備註 統編、公司全銜）\n      ❺ 每日下午1點截單出貨，週末休息\n      ❻ DIY商品需有基礎，無專人教學\n      ❼ 保固1個月，都是全新品，不接受試用退貨\n      ❽ 不接受退換：保固貼移除/包裝毀損/已使用/個人因素    \n  \n\n商品特色\n• 硬體自動流向控制，無需軟體設定即可自動切換收發狀態\n• 3.3V 與 5V 電源完美相容，適用於各種開發平台\n• 具備接收/發送指示燈，即時監控通訊狀態\n• 工業級設計，工作溫度 -40°C 至 +85°C\n• 支援長距離傳輸，可達 800 米通訊距離\n• 內建 TVS 保護和抗干擾電路設計\n\n技術規格\n工作電壓3.3V / 5V\n通訊標準RS485 / TTL UART\n傳輸距離最遠可達 800 米\n工作溫度-40°C ~ +85°C\nPCB 厚度0.8mm\n尺寸42.80mm × 15.22mm\n\n接線說明\n• VCC：電源輸入（3.3V 或 5V）\n• TXD：發送數據輸入\n• RXD：接收數據輸出\n• GND：接地線\n• A+/B-：RS485 差分信號線\n• 建議長距離傳輸時將「接大地」端子接地以增強抗干擾能力\n\n適用場景\n• 工業自動化控制系統\n• 感測器數據採集網路\n• 遠距離設備通訊\n• 多機通訊系統（最多支援 128 個設備）\n• Arduino、樹莓派等開發平台擴展應用","shipping_methods":[{"name":"7-ELEVEN取貨不付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","7-ELEVEN取貨付款"],"category_id":"2092104064","category_name":"電子零件/材料","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":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":1,"watch_count":4,"hashtags":["專業級","互轉"]}