Abstract: Disclosed in the present disclosure are a motion data collection device, method and apparatus, and a wearable device. The motion data collection device comprises: a fixed portion configured to be fixed on a part of a moving object to be detected; and a collector movably mounted on the fixed portion, wherein the collector comprises a processor, a detection pin group connected to the processor, and a first identification position arranged on a surface of the collector and corresponding to the position of the detection pin group; the fixed portion is provided with a plurality of probe groups, and a plurality of second identification positions arranged corresponding to the positions of the probe groups in a one-to-one correspondence; after the collector is mounted on the fixed portion, when the detection pin group is connected to different probe groups, different detection signals are detected.

Abstract: An electronic device, comprising: a housing; a rotation member rotatably connected to the housing; a first sensor used for detecting a rotation position of the rotation member; a second sensor used for detecting rotation information of the rotation member, wherein the rotation information comprises any one of rotation direction, rotation angle and rotation speed, or any combination thereof; and a processor respectively connected to the first sensor and the second sensor and used for performing corresponding operations according to the rotation position and/or rotation information. According to the present application, when it is inconvenient for a user to use a screen or buttons to control the electronic device, the rotation member can be used to realize control; and the convenience of device control can be improved. Further disclosed is a control method for an electronic device.

Abstract: A smart watch comprises a watch head and a watch strap. The watch head comprises: a first electrode for contacting skin of a watch-wearing wrist; a second electrode for contacting skin of a non-watch-wearing wrist, wherein both the first electrode and the second electrode are electrically connected with a main control unit of the smart watch, so that the main control unit calculates an electrocardiogram according to bioelectric signals detected by the first electrode and the second electrode; and an air bag for contacting the skin of the watch-wearing wrist, wherein the air bag is respectively connected with an air pump and a pressure sensor, and the pressure sensor is connected with the main control unit, so that the main control unit calculates blood pressure according to a detection signal of the pressure sensor.

Abstract: A method and apparatus for acquiring a battery capacity and an electronic device are provided. The method includes: acquiring a charging instruction; acquiring a discharging voltage value and its corresponding capacity and a voltage threshold of a battery to be detected according to the charging instruction; acquiring a charging capacity of the battery to be detected according to the discharging voltage value and the voltage threshold of the battery to be detected; and acquiring a capacity of the battery to be detected according to the capacity corresponding to the discharging voltage value of the battery to be detected and the charging capacity of the battery to be detected.

Abstract: A method and apparatus for acquiring a battery capacity and an electronic device are provided. The method includes: acquiring a charging instruction; acquiring a discharging voltage value and its corresponding capacity and a voltage threshold of a battery to be detected according to the charging instruction; acquiring a charging capacity of the battery to be detected according to the discharging voltage value and the voltage threshold of the battery to be detected; and acquiring a capacity of the battery to be detected according to the capacity corresponding to the discharging voltage value of the battery to be detected and the charging capacity of the battery to be detected.

Abstract: The present invention discloses a voice recognition system and method, wherein the voice recognition system comprises: a microphone array for receiving a voice signal, converting the voice signal into an analog audio signal, and outputting the analog audio signal to an audio coding circuit; the audio coding circuit for converting the received analog audio signal into a digital audio signal, and outputting the digital audio signal to a main control integrated circuit; a Bluetooth transmitting module for receiving a voice signal, converting the voice signal into a digital audio signal, and sending the digital audio signal to a Bluetooth receiving module via Bluetooth; the Bluetooth receiving module for sending the received digital audio signal to the main control integrated circuit; the main control integrated circuit for selecting the digital audio signal from the audio coding circuit or the digital audio signal from the Bluetooth receiving module to perform recognition.