1. Can detect the flame, or wavelength of the light source in the range of 760 nm to 1100 nm, and the the lighter test flame distance is 80cm, the greater the flame, the test distance farther
2. Detection angle of about 60 degrees, the flame spectrum is particularly sensitive
3. The comparator output, the signal is clean, the waveform, the driving ability to exceed 15mA
4. Operating voltage 3.3V-5V
5. The output in the form: Digital switching outputs (0 and 1)
6. Using a wide voltage LM393 comparator
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