Arduino IoT Development Kit

Arduino IoT Development Kit

The kit is preprogrammed to readily demonstrate all the input and output devices connected to it and offers the easiest way to develop various embedded applications.  Just plug the components onto the development board and build the custom applications in Arduino Software – IDE with reference to the pin configurations and sample codes.
The development board has been specifically designed to fit selected sensors, outputs and wireless devices.  The aim is to decrease the amount of time required for rigging up the circuits with wires and soldering, and to maximize the learning by developing various embedded IoT applications.

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Ultrasonic Ranging Module HC - SR04

Product features: Ultrasonic ranging module HC - SR04 provides 2cm - 40cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitter, receiver and control circuit. The basic principle of work: (1) Using IO trigger for at least 10us high level signal, (2) The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back. (3) IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time?velocity of sound (340M/S) / 2. Interfacing Pins: -> 5V Supply -> Trigger Pulse Input <- Echo Pulse Output -> 0V Ground Electric Parameters: Working Voltage DC 5 V Working Current 15mA Working Frequency 40Hz Max Range 40cm Min Range 2cm MeasuringAngle 15 degree Trigger Input Signal 10uS TTL pulse Echo Output Signal Input TTL lever signal and the range in proportion Dimension 45*20*15mm

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