Ensure the voltage levels match (e.g., 3.3V vs 5V) to avoid interference or hardware damage.
: UART is a communication protocol used for serial data transmission. In the context of your device (like a Set-Top Box or STB), it's used for debugging and communication purposes. Ensure the voltage levels match (e
: The device has entered its low-level boot mode and is waiting for the PC software to send the initial command (0x7F or similar) to start the transfer. Ensure the voltage levels match (e.g.
How to dead Gsky V8 revival with a computer using rs232 cable Ensure the voltage levels match (e
Click ; the software will likely display "Wait ROM request...".