Abstract: The present invention provides a chip-based cartridge for biological detection and a detection method thereof, comprising a body formed by a flow guiding layer stacking with a substrate. The substrate has a reaction area positioned on part of the electrodes, and the reaction area is coated with a receptor for binding the detection target; The flow guiding layer has an opening aligned with the reaction area, the receptor is exposed at the opening corresponding to the body, and a microfluidic channel is formed between the flow guiding layer and the substrate; The sample is directly dropped from the opening to the reaction area to react with the receptor. After the reaction time, wash buffer is added to the sample in the reaction area. Then, the detection buffer is dropped into the reaction area so as to complete the sample detection without external driving force while improving the detection efficiency.

Abstract: An IoT system includes a computing module for controlling an integral function of the system and including an analysis unit and a machine learning unit. The analysis unit is capable of operational analysis and creating a predictive model and creating a predictive model according to the data analyzed. The machine learning unit has an algorithm function to create a corresponding learning model. An IoT module is electrically connected to the computing module to serve as an intermediate role. At least one detection unit is electrically connected to the IoT module and disposed in soil to detect data of environmental and soil conditions and sends the data detected to the computing module for subsequent analysis.

Abstract: An IoT system includes a computing module for controlling an integral function of the system and including an analysis unit and a machine learning unit. The analysis unit is capable of operational analysis and creating a predictive model and creating a predictive model according to the data analyzed. The machine learning unit has an algorithm function to create a corresponding learning model. An IoT module is electrically connected to the computing module to serve as an intermediate role. At least one detection unit is electrically connected to the IoT module and disposed in soil to detect data of environmental and soil conditions and sends the data detected to the computing module for subsequent analysis.

Abstract: An apparatus for automatically calibrating a transducer are disclosed in the present invention, the apparatus comprising: an oscillator, for generating a system frequency; a micro controller, being coupled to the oscillator, for receiving the system frequency; a counting unit, being installed inside the micro processor, for generating at least a clock signal according to the system frequency; a transformer, whose input terminal is being coupled to the counting unit, for receiving the clock signal and transferring the clock signal to be a plurality of exciting signals, the output terminal feedbacks and couples the exciting signals to the interrupting signal input terminal of the micro controller, wherein the a plurality of exciting signals comprising at least a primary oscillating signal and at least a secondary oscillating signal and the amount of the clock signal equals to that of the primary oscillating signal; and a transducer, whose input terminal is being coupled to the transformer, and the transducer is

Abstract: A direct current motor controlling method includes a mean for transforming a duty signal to computed value by a microprocessor unit. The microprocessor unit computes the computed value and then produces a target value by executing a dichotomy method, a rotation method and a transformed function, capable of reducing executing time and executing load of the microprocessor unit and saving memory space. The microprocessor unit sends a frequency signal to a driving circuit unit according to the target value. The driving circuit unit receives the frequency signal and then provides a driving voltage to a power switch. The power switch provides a voltage to a direct current motor or not according to the driving voltage for controlling output performance of the direct current motor.

Abstract: A motor unit includes a motor, a power source, and a motor control circuit. The power source supplies electric current to the motor. The motor control circuit is coupled to the motor and the power source, and includes a driver, a detector, and a controller. The driver controls duty cycle of the motor. The detector is coupled to the driver, and is operable so as to detect amount of the electric current supplied by the power source to the motor. The controller is coupled to the detector, and enables the driver to control operation of the motor at a reduced duty cycle reduced from an initial duty cycle when the amount of the electric current detected by the detector is higher than a predetermined reference threshold value configured in the controller. A method for protecting a motor from burnout is also disclosed.