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and humidity from 20 to 80% with 5% accuracy
Minimum Operating Supply Voltage : 4
This gives you a lot of freedom how the Raspberry Pi Zero W can be used
This pulse can be used to enable the nextcascaded stage
RS232 to TTL Converter (MAX232) is widely used in the world of microcontrollers
Heart Rate (Pulse) Sensor Photo Interrupter and humidity from 20 toIntroduction : Pulse Sensor is a well designed plug and play heart rate sensor for Arduino. It can be used bystudents, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart rate data into their projects. The sensor clips onto a fingertip or earlobe and plugs right into Arduino with some jumper cables. It essentially combines a simple optical heart rate sensor with amplification and noise cancellation