hmdriver2_hm10_ble_device_scan_and_connect_quickstart.py

1import time
2from hmdriver2 import HM10
3
4# Initialize the HM-10 driver (specify your serial port)
5# For Windows, use 'COMX', for Linux/macOS, use '/dev/ttyUSBX' or '/dev/tty.usbserialX'
6hm10 = HM10(port='/dev/ttyUSB0', baudrate=9600)
7
8def main():
9    print("Checking connection to HM-10 module...")
10    if hm10.is_alive():
11        print("Module is responsive.")
12    else:
13        print("Module not responding. Check wiring and baudrate.")
14        return
15
16    print("Scanning for BLE devices...")
17    devices = hm10.scan(timeout=5)
18    
19    for addr, name in devices.items():
20        print(f"Found Device: {name} [{addr}]")
21
22    # Example: Connect to a device if found
23    if devices:
24        target_addr = list(devices.keys())[0]
25        print(f"Connecting to {target_addr}...")
26        if hm10.connect(target_addr):
27            print("Connected successfully!")
28            
29            # Send data
30            hm10.write("Hello BLE")
31            
32            # Wait for response
33            time.sleep(1)
34            response = hm10.read()
35            print(f"Received: {response}")
36            
37            hm10.disconnect()
38            print("Disconnected.")
39        else:
40            print("Failed to connect.")
41
42if __name__ == "__main__":
43    main()