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Higher gain settings may help read the color correctly under lower light conditions but it may also increase the noise level of the reading
This Lipo Low Voltage Alarm can be used to get the voltage from a lipo battery
Can read RC522 family ( NFC )
Resistance (Ω) : 200Ω/2kΩ/20kΩ/200kΩ/20MΩ/200MΩ
High OFF Resistance
Waterproof Distance Measuring Ultrasonic Sensor solder wire Higher gain settings may helpIntroduction: This product uses industrial grade integrated ultrasonic probe design, waterproof, stable performance, all the MCU on the market. The module ultrasonic distance measurement module can provide 20cm 600cm non contact distance sensing function, ranging accuracy up to 2mm; module includes the transceiver of one of the ultrasonic sensor and control circuit. Mode one usage and the Divisions HC SR04 module. Lead length 2. 5M Features: