[size=4][color=#000000][backcolor=white]There are two protocols that must be understood during BLE development: GAP (Generic Access Protocol) and GATT (Generic Attribute Protocol). Both protocols belo...
InfrastructureIPv6: IPv6 is an Internet layer protocol for packet-switched internetworking and provides end-to-end datagram transmission across multiple IP networks.6LoWPAN: It is the acronym for IPv6...
[i=s]This post was last edited by qwqwqw2088 on 2021-3-12 08:48[/i]Since the shortage of 8-inch wafers began in the second half of last year, the price of STM32 microcontrollers has skyrocketed, with ...
[i=s]This post was last edited by Hot Ximixiu on 2021-10-28 07:42[/i]1. OverviewIn the subsequent GPRS control, 3G module and other aspects, AT commands are used for control, and AT commands gradually...
#define MQTTString_initializer {NULL, {0, NULL}}
What does this mean? I know that MQTTString_initializer is equivalent to {NULL, {0, NULL}}, but what does {NULL, {0, NULL}} mean?...