1.5v Battery Tester For Aa Aaa High Precision Capacity Battery Detector With 4 Indicator Lights

Product description:

1.About Pulse sensor: Pulse sensor Arduino is used to test the heart rate sensor, students, artists ,athletes, creator, game developer, or mobile terminal can develop interactive work related to heart rate.
Senso can be put on the finger or earlobe, through interconnected line can be connected to the Arduino. It also has an open source app, can real time your heart rate graph display. Essence is a integrated optical amplifying circuit and noise eliminating circuit heart rate sensor.
2.Parameter: The power supply voltage: 3.3V ~ 5 v
It’s brand new, good quality & high performance.

Product Specifications

Compatible Devices
Monitor

Model
Heart rate

Number of Items
1

Use
Arduino, raspberry pi

Manufacturing
China

Company
China