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28 lines
806 B
Python
28 lines
806 B
Python
# This work is licensed under the MIT license.
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# Copyright (c) 2013-2023 OpenMV LLC. All rights reserved.
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# https://github.com/openmv/openmv/blob/master/LICENSE
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#
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# QRCode Example
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#
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# This example shows the power of the OpenMV Cam to detect QR Codes
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# without needing lens correction.
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import sensor
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import time
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sensor.reset()
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sensor.set_pixformat(sensor.GRAYSCALE)
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sensor.set_framesize(sensor.VGA)
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sensor.set_windowing((240, 240)) # look at center 240x240 pixels of the VGA resolution.
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sensor.skip_frames(time=2000)
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sensor.set_auto_gain(False) # must turn this off to prevent image washout...
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clock = time.clock()
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while True:
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clock.tick()
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img = sensor.snapshot()
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for code in img.find_qrcodes():
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img.draw_rectangle(code.rect(), color=127)
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print(code)
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print(clock.fps())
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