| Part number | KY-039 |
|---|---|
| Manufacturer | Joy-IT |
| File Size | 2.37 MB |
| Description | Heartbeat sensor module |
| Datasheet |
 KY-039 Datasheet
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| Note |
This datasheet PDF includes multiple part numbers: KY-039, KY-039-Joy. Please refer to the document for exact specifications by model. |
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1 3 Pinout 5 4 Code example Arduino 5 5 Code example Raspberry Pi 7 Picture Technical data / Short description While sticking a finger between the infrared diode and 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 stron
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