Product Description
1. The heart rate sensor is mainly used for learning Arduino programming and enhancing learning interest.
2. To make it work by simply connecting the sensor to a single-chip computer and coding a corresponding program.
3. With DC-DC isolated power supply, low voltage safety. Accurate test heart rate data.
Specification：
Working Voltage: DC3.3 ~ 5V
Working Current: 800uA
Operating temperature range: 0 ~ 60 ℃
Package included：
1 x Heart Sensor
1 x Sensor Cable
3 x Digital meridian physiotherapy instrument gourd patch
