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KY-039 Finger Detection Heartbeat Measuring Sensor ModuleFeatures-Use IR LED and an optical transistor to detect pulsation in fingersSmall and Compact moduleEasy to use...

BMP280 Barometric Pressure and Altitude Sensor I2C/SPI ModuleFeatures-Libraries and tutorials available for Arduino and other microcontrollersOperating Voltage: 1.71V to 3.6V – would typically be operated from 3.3VOperating Temperature: -40 to +85 deg. Celsius (full accuracy between 0 and +65 deg. C..

MQ-6 Liquefied Petroleum Isobutane Propane Gas Sensor moduleFeatures-Good sensitivity to Combustible gas in a wide rangeHigh sensitivity to Propane, Butane, and LPGLong life and low costSimple drive circuitAn indication of the signal output..

BMP180 Digital Barometric Sensor Module compatible with ArduinoFeatures-1.8V to 3.6V Supply Voltage.I2C interface.Fully calibrated.Very low noise – up to 0.02hPa (17cm)Small and easy to use...

Transcend JetRam 256MB DDR2-667 CL5 Laptop Ram JM435Q644A-6..

BMP180 Digital Barometric Pressure Sensor ModuleFeatures-Can measure temperature and altitude.Pressure range: 300 to 1100hPaHigh relative accuracy of ±0.12hPaCan work on low voltages3.4Mhz I2C interface..

SeeedStudio Grove GSR sensorFeatures-Detects conductance of the skinFinger Straps for electrodes..

Sun Fire X4100 M2 X4200 M2 Netra X4200 M2 2GB PC2-5300 DDR2-667MHz ECC Registered Memory X4226A-Z 371-1920..

GY-63 MS5611-01BA03 High Precision Pressure Sensor Height Sensor ModuleFeatures-The built-in 24bit AD converter.Immersion gold PCB, high quality, machine welding process to ensure quality.Power supply: 3 – 5V ( internal low dropout regulator ).Communication modes: Standard the IIC / SPI communicatio..