TIDM-BATTERYLESSNFCKEYBOARD
無電池近場通訊 (NFC) 鍵盤
TIDM-BATTERYLESSNFCKEYBOARD
概覽
This solution implements a batteryless keyboard using Near Field Communications (NFC) technology. The core part of this solution is TI’s dynamic NFC tag that can be read and written to by a host microcontroller. Mobile phones that support NFC can quickly discover and recognize this keyboard and then build a connection between the keyboard and application. This design is a battery-less system (i.e., does not require a battery to operate), which enables customers to build products with optimized dimensions (e.g., thin keyboards) and of lighter weight (e.g., easier to carry).
特點
- Battery-less solution
- Standard PC/AT keyboard character set
- More than 400 characters /min input capability
- About 20 mW power consumption for both ultra-low-power MSP MCU and RF430CL330 tag
- Low-cost PCB coil antenna for power harvesting
- Android test tool and InputMethod application provided
已開發完全組裝的電路板,僅供測試與性能驗證,且為非賣品。
設計檔案與產品
設計檔案
下載立即可用的系統檔案以加速您的設計流程。
TIDR747.PDF (29 KB)
設計元件、參考指示項與製造商/零件編號的完整清單
產品
設計與潛在替代方案中包括 TI 產品。
MSP430 microcontrollers
MSP430FR5739 — 具 16KB FRAM、1KB SRAM、10 位元 ADC、比較器、UART/SPI/I2C、定時器的 24 MHz MCU
技術文件
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檢視所有 1
| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| 使用指南 | Batteryless Near Field Communication (NFC) Keyboard User's Guide | 2014/6/17 |