bluetooth lantern speaker

bluetooth lantern speaker

  •  What is RGB LED?
    What is RGB LED? Aug , 21 2020
    The introduction of RGB The RGB color mode is a color standard in the industry. It obtains various colors by changing the three color channels of red (R), green (G), and blue (B) and superimposing them with each other. And RGB is the color representing the three channels of red, green, and blue. This standard includes almost all the colors that human vision can perceive, and it is one of the most ...
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  • What you should know about the servo motor?
    What you should know about the servo motor? Sep , 04 2020
    Servo motors are micro motors used as actuators in automatic control devices. Their function is to convert electrical signals into angular displacement or angular velocity of the shaft. Servo motor, also known as executive motor, is used as an actuator in an automatic control system. It converts the received electrical signal into angular displacement or angular velocity output on the motor shaft....
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  • What to know about Bluetooth Technology?
    What to know about Bluetooth Technology? Oct , 25 2020
      The birth of Bluetooth Technology Bluetooth actually dates back to World War II. The core of Bluetooth is short-range radio communication, which is based on frequency hopping spread spectrum (FHSS) technology. It was proposed by Hollywood actress HEDY LAMARR and pianist George Antheil in August 1942. Inspired by the number of keys on the piano, they control the torpedo by using 88 different...
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