KY-039 Heartbeat Sensor
KY-039 Heartbeat Sensor
SKU : 3701568418012
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Shipping & Returns
Shipping & Returns
Free shipping and returns available on all orders!
We ship all US domestic orders within 5-10 business days!
DISPATCH
If you order before 2 p.m., the package is same day dispatch and will be delivered within 48 hours.
Any order placed on Friday after 2 p.m. is prepared and dispatched the following Monday (if no specific delivery date has been chosen).
There is no preparation or shipment of parcels possible Saturdays, Sundays and public holidays, except for orders to be picked up on site . However, you can always be delivered on a Saturday by placing your order 24 or 48 hours in advance.
For deliveries in Europe, delivery times vary depending on the country of destination.
After receiving your order, we will inform you about the delivery time, but generally delivery times vary between 5 and 8 working days in the European Economic Area.
Regarding deliveries to third countries, delivery times could be longer and reach up to 15 working days.
Partager




If you put a finger on the emitting diode and the phototransistor, the output signal delivers an image of the blood pulsations in your finger.
A phototransistor works like this: it acts like a normal transistor except that the current from the base is replaced by received light. When the phototransistor receives light, it changes state and can switch a relatively large intensity
Cable connection: Gray --> GND White --> +V Black --> Signal |