This 125 kHz RFID reader http://www.serasidis.gr/circuits/RFID_reader/125kHz_RFID_reader.htm http://www.serasidis.gr/circuits/RFID_reader/images/125kHz_RFID_reader_schem.GIF I will try to explain with simple words how the RFID works. The ATtiny13 use
进入uboot时,在命令行上敲“?” ,回车就会打印出在uboot里可用的命令: #?? - alias for 'help'base - print or set address offsetboot - boot default, i.e., run 'bootcmd'bootd - boot default, i.e., run 'bootcmd'bootelf - Boot from an ELF image in memorybootm - boot a
采用的是RTL8189 SDIO 模块,介绍如下 The Realtek RTL8189ES-VB-CG is a highly integrated single-chip 802.11n Wireless LAN (WLAN) network SDIO interface (SDIO 1.1/ 2.0/ 3.0 compliant) controller. It is a WLAN MAC, a 1T1R capable WLAN baseband, and WLAN RF in a sin