The module typically provides a 6-pin header with the following connections: Pin Power output (Selectable 3.3V or 5V via jumper) GND Common ground TXD Transmit Data (Connect to RX on target device) RXD Receive Data (Connect to TX on target device) CTS/DTR Flow control pins (Used for auto-reset during programming)
MAX30100 sensor;
If you have a different HW-597 variant (e.g., a motor driver, display, or RF module), the general principles below still apply, but you’ll need to verify the exact chip. hw-597 driver
He reached into his duffel and brought out the crumpled photograph again, the edges more worn now. He tapped it against the palm of his hand and handed it to Mara. "Keep it," he said. "You helped me find them." The module typically provides a 6-pin header with