How to use a Pulse sensor with Arduino /Measure Heart rate using Pulse sensor and Arduino
You can use this sensor to measure your heartbeat,
You can also use this same logic for NodeMCU also.
This pulse sensor has 3 pins
1.S(Analog sensor pin)
2. VCC( You can use either 3.3V /5.0V
3.OLED(Connect SCL pin to A5, SDA to A4)
Coding of Pulse sensor https://github.com/PabitraKumarGhorai...
YouTube Link of OLED display • How to use OLED Display with NodeMCU?
