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56MHz RFID/NFC reader or NFC-enabled mobile devices
Once touching
Maximum PWM frequency: 20KHZ
Any average car consists of around 60 to 100 sensor units in it for sensing and exchanging information
8(50% load) Lifespan: >1million times
DC Motor/Stepper/Servo Driver Shield for Arduino Water Purity 56MHz RFID/NFC reader or NFC-enabledDC Motor Stepper Servo Driver Shield for Arduino (L293D) is a dual channel H Bridge motor driver capable of driving a pair of DC motors or single stepper motor. The shield offers total 4 H Bridges and each H bridge can deliver up to 0. 6A to the motor. It can drive up to 4 bi directional DC motors with individual 8 bit speed selection (so, about 0. 5% resolution). It can drive up to 2 stepper motors (unipolar or bipolar) with single coil, double coil,