IMPORT |Image$$RO$$Limit| IMPORT |Image$$RW$$Base| IMPORT |Image$$ZI$$Base| IMPORT |Image$$ZI$$Limit| When writing C code on the development board, the ARM assembler must be initialized before the C c
Dear experts, I just started learning embedded systems. When testing the serial port program, I want to receive and send data through a wireless module. The baud rate of the module is 19200, which is
[size=2]In the circuit, NE555 is connected as a square wave generator with adjustable duty cycle. During the period when the 3rd pin of NE555 outputs high level, the primary of the zero-crossing on-of
With JTAG interface, LCD, complete software development kit information, etc. If you are interested, please contact me, preferably in Hangzhou QQ12665590