This is a heartbeat-detecting and biometric pulse rate sensor The operating voltage ranges from +5V otherwise +3.3V This is a plug and play type sensor The current utilization is 4mA

Working voltage 5V Output format: Digital output (0 and 1), and analog voltage output AO Potentiometers adjust the sensitivity Uses a wide voltage LM393 comparator

Input Supply voltage : 3.3V (Do not use 5V supply) Operating Current: 13 ~ 26mA Operating Frequency : 13.56MHz SPI data rate : 10Mbit/s operating distance in reading/Write mode: 50mm

Min. and Max. Input Voltage is -2V and 35V respectively. Typically 5V. Can measure temperature ranging from -55°C to 150°C ±0.5°C Accuracy Low-cost temperature sensor Small and hence suitable for remote applications

Operating Voltage: 2.5V-5.5V Startup Calibration Delay: 0.5 Sec Simple to Use, Auto Calibration Output Status Indicator LED Output can be directly connected to Microcontroller's Input pins

Operating voltage: +5V Measuring Distance: 2cm to 80cm Accuracy: 3mm Measuring angle covered: <15° Operating Current: <15mA Operating Frequency: 40Hz