A resistor, which is a current-limiting element, has a fixed resistance, usually two pins, that limits the amount of current flowing through the branch to which it is connected.
A technical discipline formed by the combination of optics and electronics. Using light wave instead of radio wave as information carrier, light emission, control, measurement and display are realized
The external power supply is the line other than the power terminal connection. Internal circuit refers to the internal circuit of the power source itself.
Potentiometer is a resistance element with three leads and the resistance value can be adjusted according to a certain change rule. A resistor whose resistance can be adjusted.
Transformer is a device that USES the principle of electromagnetic induction to change the ac voltage. The main components are the primary coil, the secondary coil and the core.
Audio, used as a general description of audio range and sound-related equipment. Audio products: amplifier, microphone, headset, sound card, mixer, speaker, audio amplifier, player, audio accessories.
A battery is a device that converts chemical energy into electrical energy by holding a cup or tank containing an electrolyte solution and metal electrodes to generate an electric current.
도구 키트, 도구의 모든 종류, 등등 하드웨어 도구, 정원 도구, 관리 도구, 시험 장비, 전기 도구, 자동차 도구 키트, 전기 도구 키트, 통신 도구 등을 넣을 수 있습니다
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