I would like to ask how much data lwip UDP can receive at a time. I don't know which parameter controls the size of the received data. I can now receive 4KB of data, but if it is larger (such as 5K),
I use C8051F340 12Mhz internal crystal oscillator and want the LED to flash at intervals of 2S. However, the actual interval measured by the oscilloscope is about 330ms. The interval is about 2.7S wit
I built a circuit manually to convert USB to RS485, and used the serial port debugging assistant to debug. The two PCs communicated with each other, but there was a problem during the communication: 1
When GSM is transmitting, the WLAN subsystem can''t receive WLAN packets (Fig. 1). Likewise, when GSM is in receive or monitor mode, the WLAN can'' transmit, as it will desensitize the GSM receiver. I