This course uses the Zhengdian Atom development board as the platform and introduces the use of each function of Lwip in more detail. Including: LWIP transplantation method, memory management, data packets, UDP and TCP and other knowledge.
I want to DIY a mobile power bank. The power management chip uses TP4222 as the charging and discharging chip. The circuit is built according to the typical circuit. After soldering the components, I
1. Confirmation of the board frame diagram (provided by the structural engineer). Design can only start after the board frame diagram is OK . After the PCB design is completed, the structure needs to
I use ea development kit lpc4088, with a S25FL032 SPIFI FLASH on board. I set up J-LINK download in KEIL, and there is a 407x/8x SPIFI. But the range is 0x28000000-0x28400000, but the manual and chip
1. Four quadrants, use two orthogonal axes to divide the plane into four parts, namely four quadrants; 2. The two axes are given different meanings, or represent parameters with different meanings. At