{"product_id":"hiletgo-2pcs-cc2540-cc2541-at-09-serial-wireless-module-ble-4-0-bluetooth-module","title":"HiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module, BLE 4.0 Bluetooth Module","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module, BLE 4.0 Bluetooth Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProduct Introduction: 1.Input voltage: 3.3V\/5V only needs a set of power supply. 2.Built in level conversion function: 3.If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply port, TX RX logic level 5V; 4.If you use MCU 3.3V and Bluetooth module communication, 3.3V power supply port, TX RX logic level 3.3V 5.RX, Bluetooth module serial receiver and TXD MCU connection. 6.TX, Bluetooth module serial port and RXD MCU connection. 5. GND, ground terminal 6. 3.3V, power supply side 3.3V power supply 7. 5V, power supply side 5V power supply Package Include: 2 * CC2540 CC2541 AT-09 Bluetooth Module\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible.\u003c\/li\u003e\n\u003cli\u003e✅ It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification.\u003c\/li\u003e\n\u003cli\u003e✅ Input voltage: 3.3V\/5V only needs a set of power supply.\u003c\/li\u003e\n\u003cli\u003e✅ This module supports UART interface and supports SPP Bluetooth serial port protocol.\u003c\/li\u003e\n\u003cli\u003e✅ Compatible HM-10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Guarantees\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ FREE standard shipping within the United States (3–6 business days)\u003c\/li\u003e\n\u003cli\u003e✅ 100% money-back guarantee for lost or damaged items\u003c\/li\u003e\n\u003cli\u003e✅ Secure checkout with encrypted payment processing\u003c\/li\u003e\n\u003cli\u003e✅ Shipping via UPS, FedEx, and USPS\u003c\/li\u003e\n\u003cli\u003e✅ Ships to lower 48 states only (no PO Boxes \/ APO \/ FPO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e✅ Items must be unused and in original packaging\u003c\/li\u003e\n\u003cli\u003e✅ Full refund if item is not delivered\u003c\/li\u003e\n\u003cli\u003e✅ Guaranteed delivery within 6–7 business days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePayment Methods\u003c\/h3\u003e\n\u003cp\u003e✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay\u003c\/p\u003e\n\u003ch3\u003eCustomer Support\u003c\/h3\u003e\n\u003cp style=\"text-align:left;\"\u003e✅ Questions? Contact us at \u003cstrong\u003eSupport@GiftAbay.com\u003c\/strong\u003e\u003cbr\u003eWe respond within 24 hours on business days.\u003c\/p\u003e\n\u003cdiv class=\"seo-data\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEO Title:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeywords:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Electronics\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubcategories:\u003c\/strong\u003e Computers \u0026amp; Accessories, Networking Products, Network Adapters, Bluetooth Network Adapters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HiLetgo","offers":[{"title":"Default Title","offer_id":47730369757404,"sku":"TGABL0866332","price":17.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2816\/8412\/files\/61vKZjfcnqL._AC_SL1100.jpg?v=1772729169","url":"https:\/\/tech.giftabay.com\/products\/hiletgo-2pcs-cc2540-cc2541-at-09-serial-wireless-module-ble-4-0-bluetooth-module","provider":"Tech.GiftAbay","version":"1.0","type":"link"}