Write At Command Station V104 High Quality [work]

5.3. No Retry Logic

• Non-Blocking Code: Avoid using simple delay() functions while waiting for the V104 to respond. Use a millis-based timer (non-blocking approach). If the module does not respond within a set window, the code should retry or enter a safe error state.
• Buffer Management: Serial buffers are finite. When the V104 sends a large data packet, read the serial buffer immediately. Implement a "Circular Buffer" or "FIFO" in your host code to ensure no bytes are lost if the main loop is busy.
• Command Sequencing: Do not spam the module with rapid-fire commands. After a heavy transmission, wait for the SEND OK response before sending the next packet. This ensures the V104's internal buffer has cleared.

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