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DFRobot Gravity: Lab Grade Analog EC Sensor Kit K=1 for Arduino$109.73
DFROBOT Gravity: O2 Sensor(Calibrated) - I2C&UART$46.80
DFROBOT Gravity Electrochemical Oxygen Sensor, SEN0496 (*See Description)$150.99
DFRobot SEN0473 Gravity H2 Sensor Calibrated Hydrogen Gas Sensor Module$54.80
DFRobot SEN0161 Gravity Analog pH Sensor / Meter Kit For Arduino -NEW$39.98
DFRobot Gravity Offline Voice Recognition Sensor for micro:bit Arduino ESP32$74.99
DFRobot SEN0160 Gravity Digital Weight Sensor No Base SEN0160 Tested Working$20.00
DFRobot Gravity: Electrochemical Oxygen O2 Sensor Module 0-25% Vol (I2C)$80.48As an eBay Partner, userbars.org may earn a commission from qualifying purchases.