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KY-039 |
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| Part Number | KY-039 |
| Manufacturer | Joy-IT |
| Description | ..... 1 3 Pinout ...... |
| Features |
the photo transistor you can detect the pulse at the signal out.
The explanation of the functionality of a photo transistor is simple: It works like a normal transistor - you will detect a higher electricity if the control voltage is higher. Instead of the control voltage, the photo transistor uses the light. If it it's a stronger light, you will measure a higher electricity.
Export: 16.06.2017
Copyright by Joy-IT - Published under CC BY-NC-SA 3.0
Page 179 of 214
KY-039 Heartbeat sensor module
If you switch a resistor and a transistor in row, you will see a special behavior if you meas... |
| Document |
 KY-039 Data Sheet
PDF 2.37MB |
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