I designed a low-power product using Bluetooth 4.0. The CSR1010 chip used has a transmit power of +4dBm and a broadcast interval of 60mS. According to CSR testing, the radio power consumption is about
[align=left] [font=微软雅黑][size=3][color=Black][backcolor=rgb(255, 255, 255)][backcolor=inherit] Time flies, years pass, and before we know it, half of the year has already passed. In the past few month
MFC creates a main interface with a button A. Clicking the button pops up a non-modal dialog box B. The function I want to achieve is to click the main interface, and the non-modal dialog box B is hid
In uboot, define the segment in the lds file. = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; In C code, use pointers to __u_boot_cmd_start and __u_boot_cmd_end to
[color=#333333] The frequency range of 433.05~434.79MHz and 2.4~2.5GHz belongs to the domestic unlicensed ISM (Industrial, Scientific and Medical) open frequency band. There is no need to apply for au