Keyestudio Heart Monitor Sensor Module

The Keyestudio Heart Monitor Sensor Module is an integrated front end for signal conditioning of cardiac bioelectrical signals to monitor heart rate. It can be used with Arduino.

• Power voltage：DC 3.3V
• Output：analog output
• Interface(connect RA, LA, RL): 3PIN, 2.54PIN or earphone jack
• Working Temperature：-40℃ to +85℃