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KY-039 Puls sensor IR Strømforsyning 96 OLED Lora WIFI Bluetooth

SKU: 8197689042

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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 13 - Sep 18

Description

96 OLED Lora WIFI Bluetooth ESP32 Development Board din alt-i-en løsning

0V Hastighed (sek/60°) 0

KY-025 Reed switch modul magnetisk kontakt sensor - med komparator

42MHz ± 3MHz LNA-forstærkning (uden kabel) 25dB Støjniveau 1

KY-039 Puls sensor IR Strømforsyning 96 OLED Lora WIFI BluetoothMl hjerterytme og hjerteslag i minuttet med en IR LED og en photodiode KY 039 puls sensor er en avanceret enhed, der giver prcis mling af hjerteslag og pulsfrekvens. Nr infrardt lys skinner igennem fingeren, tillader vvet i fingeren en del af lyset at passere igennem. Da blod indeholder hmoglobin, som effektivt blokerer for lyset, reduceres lysgennemgangen, isr nr blodet pulserer gennem fingeren. Denne ndring i lysets intensitet kan mles ved hjlp af

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  • Final sale items are not eligible for returns or exchanges.
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