• MMA8451 accelerometer

    by iainhendry
    1.9k views

    The MMA8451 is a low-power, three-axis capacitive accelerometer with 14 bits of resolution, featuring: Embedded functions with flexible user-programmable options, configurable to two interrupt pins Embedded interrupt functions for overall…

  • Wemos and BH1750FVI example

    by iainhendry
    2.8k views

    BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light data for adjusting LCD and Keypad backlight…

  • Arduino and force sensor example

    by iainhendry
    2.6k views

    A force-sensing resistor is a material whose resistance changes when a force or pressure is applied. Force-sensing resistors consist of a conductive polymer, which changes resistance in a predictable manner…

  • Arduino and reed switches

    by iainhendry
    1.9k views

    The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope.…

  • Arduino infrared receiver example

    by iainhendry
    2k views

    An infrared receiver, or IR receiver, is a device that sends information from an infrared remote control to another device by receiving and decoding signals. Basically, the receiver outputs a…

  • Arduino and a hall effect sensor

    by iainhendry
    1.9k views

    A Hall effect sensor is a transducer that varies its output voltage in response to a magnetic field. Hall effect sensors are used for proximity switching, positioning, speed detection, and…

  • Arduino and LDR example

    by iainhendry
    1.9k views

    A photoresistor (or light-dependent resistor, LDR, or photocell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity.…

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