* Question What are the types of fiber optic sensors? * Answer Fiber optic sensors are divided into functional, non-functional and optical pickup types. ...
* Question What are the main technical characteristics of the CAT37DC/DC boost converter? * Answer (1) The low quiescent current is 0.5 mA. (2) Low resistance (0.5 Ω) power switch, the power efficienc ...
* Question What is the composition of the magnetic circuit variable reluctance type rotational speed sensor? * Answer The open magnetic variable reluctance type rotational speed sensor is composed of ...
* Question What are the characteristics of metal foil strain gauges and silk strain gauges? * Answer Compared with the wire strain gauges, the metal foil strain gauges have the following characteristi ...
* Question What is the control channel used for?What can be divided? * Answer The control channel is used to carry signaling or synchronization data and can be divided into a broadcast channel, a comm ...
* Question What problems are sometimes encountered during the use of the waterfall model? * Answer (1) Actual projects are rarely carried out in the order given by the model.Although linear models can ...
* Question What are the main parameters of the photoResistors? * Answer (1) Dark resistance: The resistance of the photoResistors when it is not exposed to light is called dark resistance, and the cur ...
* Question What is the application of Bluetooth technology? * Answer Although the original intention of developing Bluetooth technology is to replace the connecting cable between mobile or fixed elect ...
* Question What are the precautions for using the circuit block connection instructions in the PLC? * Answer (1) ORB is a parallel connection command of a series circuit block, and ANB is a series con ...
* Question What is the construction and electrical characteristics of the transformer? * Answer The transformer is relatively simple in construction and consists mainly of iron cores and turns.The coi ...