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1. Test of ordinary resistors When the parameter mark of a resistor falls off for some reason or its precise resistance value is unknown, it is necessary to use an instrument to measure it. For the r...[Details]
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The modules used are: DC motor, servo, buzzer, infrared, temperature sensor, lcd1602, The frequency of this servo is 50HZ, and one cycle is 20ms. The angle is controlled by the proportion of high a...[Details]
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The trend towards "green" systems not only means that environmentally friendly components must be used, but also poses energy-saving challenges to the electronics industry. Organizations such as Ener...[Details]
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Main products supplied to NIO and ZTE After more than ten years of development, Recorda has become one of the leading companies with the ability to develop and produce optical, electrical and microwa...[Details]
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LED drivers that match traditional TRIAC and do not have electrolytic or capacitors will become popular. With the innovation of LED driver design, the defects of flicker and short life of LED drive...[Details]
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Industry leaders from Alibaba, Baidu, Huawei, Xiaomi and other companies will deliver keynote speeches and participate in the exhibition The Bluetooth Special Interest Group ( SIG) announced that ...[Details]
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1. What is ground resistance? Ground resistance is the resistance encountered when current flows from a grounding device to the earth and then flows through the earth to another grounding body or spr...[Details]
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Lithium
batteries
must consider
safety during
charging
and discharging to prevent degradation of characteristics. However, lithium-ion
batteries
have high energy density and ...[Details]
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On December 31, 2021, the National Standards Administration officially issued a revision plan for the recommended national standard "Connection Devices for Conductive Charging of Electric Vehicles ...[Details]
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Apple plans to launch two iPhone models next week for the first time, one for the high-end iPhone and the other for the cheaper iPhone, a source said on Thursday. In addition, Apple has also begun de...[Details]
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Let's think about a question. When we write an instruction into the microcontroller in the programmer and then remove the microcontroller, the microcontroller can execute the instruction. Then this i...[Details]
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How does the inverter detect current overload? The overcurrent protection of the inverter is very important. If the protection is not timely, it will cause damage to the circuit and equipment, and ...[Details]
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GlobalWafers revealed at today's shareholders meeting that demand for silicon carbide (SiC) is stronger than expected, and substrates have been shipped in small quantities. At the same time, the comp...[Details]
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According to industry insiders, Chinese mobile phone brands including Xiaomi, Oppo, Realme and Honor have lowered their 2021 shipment targets in early May. The Electronic Times quoted the above-menti...[Details]
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Soft start and star-delta start are two common motor starting methods. They have certain differences in starting current, starting torque, starting time, etc.
Soft Start
Soft st...[Details]
Power technology
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