{"product_id":"rfid-sensor-module-13-56mhz-ws1850s-arduino-compatible","title":"RFID Sensor Module 13.56MHz WS1850S – Arduino Compatible","description":"\u003ch2\u003e13.56MHz RFID Sensor Module with WS1850S Chip\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with this compact, high-frequency RFID Sensor Module featuring the built-in \u003cstrong\u003eWS1850S chip\u003c\/strong\u003e operating at \u003cstrong\u003e13.56 MHz\u003c\/strong\u003e. Designed for makers, developers, and engineers, this module supports contactless card reading, card writing, recognition, encoding, and authorization — making it ideal for access control, check-in systems, inventory management, vehicle entry\/exit tracking, and smart home integrations.\u003c\/p\u003e\n\n\u003cp\u003eUsing magnetic field induction technology, the module enables non-contact, two-way data exchange with compatible RF cards. It reads and verifies card information quickly and accurately — all within a range of less than 20 mm. Whether you're building with Arduino or using UIFlow (Blockly or Python), this module integrates seamlessly into your workflow. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e WS1850S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Frequency:\u003c\/strong\u003e 13.56 MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI²C Data Rate:\u003c\/strong\u003e Fast mode up to 400 Kbit\/s; High-speed mode up to 3,400 Kbit\/s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransceiver Buffer:\u003c\/strong\u003e 64 bytes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported Protocols:\u003c\/strong\u003e ISO14443A, MIFARE, NTAG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to 85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Retention:\u003c\/strong\u003e Greater than 10 years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRead\/Write Distance:\u003c\/strong\u003e Less than 20 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDevelopment Platforms:\u003c\/strong\u003e Arduino, UIFlow (Blockly, Python)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLEGO-Compatible Holes:\u003c\/strong\u003e 2x\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart Home Access Control Systems\u003c\/li\u003e\n  \u003cli\u003eVehicle Management \u0026amp; Entry\/Exit Registration\u003c\/li\u003e\n  \u003cli\u003eIntelligent Transportation Systems\u003c\/li\u003e\n  \u003cli\u003eSmart Bookshelf \u0026amp; Inventory Tracking\u003c\/li\u003e\n  \u003cli\u003eWarehouse Goods Storage\u003c\/li\u003e\n  \u003cli\u003eEmployee or Visitor Check-In Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × RFID Sensor Module (WS1850S, 13.56MHz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product appearance and printed markings may vary slightly by production batch; this does not affect functionality. Minor color differences may occur due to display settings. Measurement tolerance: ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on RFID and radio frequency technology standards, visit the NIST RFID Technology Resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What RFID protocols does the WS1850S sensor module support?\u003c\/h4\u003e\n\u003cp\u003eA: This 13.56MHz RFID sensor module supports ISO14443A, MIFARE, and NTAG protocols, making it compatible with the most widely used contactless smart cards and tags for access control and identification systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this RFID module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the WS1850S RFID sensor module is compatible with Arduino development boards as well as UIFlow (Blockly and Python), making it versatile for both beginners and advanced makers working on electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the read\/write distance of this RFID module?\u003c\/h4\u003e\n\u003cp\u003eA: The module's effective read and write distance is less than 20 mm, enabling reliable close-range contactless data exchange — perfect for secure access control and identification applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module both read and write to RFID cards?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this module supports multiple functions including card reading, card writing, recognition, recording, encoding, and authorization of RF cards, providing comprehensive RFID functionality for your projects.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What RFID protocols does the WS1850S sensor module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 13.56MHz RFID sensor module supports ISO14443A, MIFARE, and NTAG protocols, making it compatible with the most widely used contactless smart cards and tags for access control and identification systems.\"}}, {\"@type\": \"Question\", \"name\": \"Is this RFID module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the WS1850S RFID sensor module is compatible with Arduino development boards as well as UIFlow (Blockly and Python), making it versatile for both beginners and advanced makers working on electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"What is the read\/write distance of this RFID module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module's effective read and write distance is less than 20 mm, enabling reliable close-range contactless data exchange — perfect for secure access control and identification applications.\"}}, {\"@type\": \"Question\", \"name\": \"Can this module both read and write to RFID cards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this module supports multiple functions including card reading, card writing, recognition, recording, encoding, and authorization of RF cards, providing comprehensive RFID functionality for your projects.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RFID Sensor Module 13.56MHz WS1850S – Arduino Compatible\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/rfid-sensor-module-13-56mhz-ws1850s-arduino-compatible\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"As Shown","offer_id":48752699867328,"sku":"14:203008818#As Shown","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S729842c3247b4761a82f10632d852509T.webp?v=1786253912","url":"https:\/\/vueselect.com\/products\/rfid-sensor-module-13-56mhz-ws1850s-arduino-compatible","provider":"Vue","version":"1.0","type":"link"}