34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
"""
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Simple script to check ESP32 connection status.
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Run this to see if your ESP32 is connected to WiFi.
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"""
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import serial
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import time
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import sys
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def check_esp32(port='COM5', baud=115200):
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print(f"Checking ESP32 on {port} at {baud} baud...")
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print("Press Ctrl+C to exit\n")
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try:
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ser = serial.Serial(port, baud, timeout=1)
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time.sleep(2) # Wait for connection
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# Read some output
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for _ in range(20):
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if ser.in_waiting:
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line = ser.readline().decode('utf-8', errors='ignore').strip()
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if line:
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print(line)
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time.sleep(0.5)
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except serial.SerialException as e:
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print(f"Error: {e}")
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print("\nMake sure:")
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print("1. ESP32 is connected to your PC via USB")
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print("2. No other program is using the COM port")
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print("3. You're using the correct COM port (e.g., COM5)")
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if __name__ == "__main__":
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port = sys.argv[1] if len(sys.argv) > 1 else 'COM5'
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check_esp32(port) |