[b]The ZigBee serial port receive buffer (HAL_UART_DMA_RX_MAX) is set to 512, but when receiving 400 bytes at a time, there will be serious packet loss. I use the DMA method. Does anyone know how to s...
This content is originally created by EEWORLD forum user huzhenhua . If you need to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.6-pin power ...
I would like to ask you experts, the project needs to use USB 5V charging, and I am going to use BQ21040 to make a single-cell lithium battery charging protection circuit. Does the battery need an add...
Recently I want to understand the problem of LCD driver. I saw a LCD on the Internet. It is Innolux AT070TN90, 800X480, 16-bit color, LED backlight, digital driver chip RA8875 and LCD interface data o...
Abstract-A novel uniplanar double-balanced mixer(UDBM) including coplanar wavegaide (CPW)-to-coplanar stripline (CPS) baluns as well as CPS high-pass and low-pass filters is designed and implemented. ...
[size=4] [/size][size=4]In some cases, you may need to use a lot of serial ports, maybe as many as seven or eight. This is very rare for CPUs to reach this level. If you use other CPUs to do this thro...