AT Commands

Common Commands for ARM Development Boards

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Common Commands for ARM Development Boards

1、reboot means to restart. 2、source makes the modified files take effect immediately, avoiding the problem of having to restart for the changes to take effect. For example, if we modify /etc/profile, the changes will not take effect immediately. In this case, we can enter source /etc/profile to apply the changes. There will be more updates … Read more

Bluetooth Command Settings for Embedded Systems

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Bluetooth Command Settings for Embedded Systems

3.3.1 Bluetooth Command Settings Knowledge The embedded Bluetooth serial communication module allows us to break free from the constraints of cables and achieve wireless serial communication within a limited range, with two working modes: command response mode and automatic connection mode. In automatic connection mode, the module can be divided into three roles: Master, Slave, … Read more