An example computer-implemented method includes receiving, by a processing device, a signal from a sensor of a user device associated with a user who is physically indicating at a geographic area, the signal including direction information and inclination information associated with the indicating. The method further includes determining, by the processing device, a direction the user is indicating based on the direction information. The method further includes determining, by the processing device, a distance that the user is indicating based on the inclination information. The method further includes determining, by the processing device, a specified geographic area based on the direction the user is indicating and the distance the user is indicating. The method further includes identifying, by the processing device, a listening device located in proximity to the specified geographic area. The method further includes enabling, by the processing device, the listening device to capture audio.

A smoking substitute device and a method of operating a smoking substitute device. The smoking substitute device comprising: a control unit; and an accelerometer, configured to detect an orientation of the smoking substitute device and provide data indicative of the detected orientation to the control unit. The control unit is configured to trigger an alert when it determines from the data indicative of the detected orientation that the smoking substitute device will function improperly. The control unit is configured to determine from the data indicative of the detected orientation that the smoking substitute device will function improperly when the data indicative of the detected orientation indicates that a gravity fed heating device of the smoking substitute device has been located above a tank containing a vaporizable liquid for a predetermined period of time (t.sub.1), wherein the predetermined period of time is at least 30 minutes.

A buffer unit for temporarily storing a substrate includes a housing having a space for storing a substrate therein, one or more slots disposed within the housing for placing a substrate thereon, and a holding unit disposed at a bottom portion of the housing, having a flat and non-inclined top surface, and comprising a built-in wireless charging module. A substrate type sensor is stored at the holding unit.

A buffer unit for temporarily storing a substrate includes a housing having a space for storing a substrate therein, one or more slots disposed within the housing for placing a substrate thereon, and a holding unit disposed at a bottom portion of the housing, having a flat and non-inclined top surface, and comprising a built-in wireless charging module. A substrate type sensor is stored at the holding unit.

A two-wheeled vehicle is provided. The two-wheeled vehicle includes a chassis having a height, a length and a width, in a first wheel rotatably connected to the chassis, the first wheel having a perimeter, a diameter and a geometric center, and the diameter of the first wheel being at least 75% of the height of the chassis, a motor for providing a drive energy to the first wheel, an axle rotated by the motor, a drive gear connected with the axle such that the drive gear rotates with a rotation of the axle, and a plurality of teeth disposed about the first wheel and mechanically engaged with the drive gear at a location closer to the perimeter of the first wheel than to the geometric center of the first wheel.

A two-wheeled vehicle is provided. The two-wheeled vehicle includes a chassis having a height, a length and a width, in a first wheel rotatably connected to the chassis, the first wheel having a perimeter, a diameter and a geometric center, and the diameter of the first wheel being at least 75% of the height of the chassis, a motor for providing a drive energy to the first wheel, an axle rotated by the motor, a drive gear connected with the axle such that the drive gear rotates with a rotation of the axle, and a plurality of teeth disposed about the first wheel and mechanically engaged with the drive gear at a location closer to the perimeter of the first wheel than to the geometric center of the first wheel.

Systems and methods for switching an input mode of a digital pen used with an electronic document. One system includes a memory configured to store instructions and an electronic processor coupled to the memory. The electronic processor, in conjunction with the instructions stored in the memory, is configured to receive a tilt angle of the digital pen while the digital pen is operating in a first input mode, the first input mode being an inking mode, compare the tilt angle of the digital pen to a predetermined threshold associated with a second input mode, and, in response to the tilt angle satisfying the predetermined threshold, set the input mode of the digital pen to the second input mode.

A linear actuator and an identification method thereof are characterized in that a memory unit of the embedding device stores the parameter data of the linear actuator, such as the parameters and the axial position of the elongated shaft, and the microprocessor determines whether the sensing device is activated, and through the process of parameter analysis, data transmission, and algorithm calculation, the calculation control device performs an instantaneous calculation to determine the state of the linear actuator, thereby improving the disadvantage of a single function of the conventional technology, avoiding the problem that the unidentified linear actuator causes the abnormality of the sensing device, and effectively finding the problem of abnormal function of the linear actuator.

A linear actuator and an identification method thereof are characterized in that a memory unit of the embedding device stores the parameter data of the linear actuator, such as the parameters and the axial position of the elongated shaft, and the microprocessor determines whether the sensing device is activated, and through the process of parameter analysis, data transmission, and algorithm calculation, the calculation control device performs an instantaneous calculation to determine the state of the linear actuator, thereby improving the disadvantage of a single function of the conventional technology, avoiding the problem that the unidentified linear actuator causes the abnormality of the sensing device, and effectively finding the problem of abnormal function of the linear actuator.

Sensing systems for agricultural equipment and related methods may be configured for detecting the operating state of rotating elements in agricultural implements. The sensing systems for an agricultural implement may include a rotating element and a monitoring center equipped with an alert mechanism. The sensing systems may include an inertial sensor, a microprocessor, a communication element, and a power supply. The sensing system may be a single element fixed directly to the rotating element.