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Keyless entry systems are easily compromised because the radio signals used to unlock the car doors are easily cracked. According to foreign media reports, Ford has developed a system to prevent vehi...[Details]
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In today's China, people's requirements for quality of life are getting higher and higher, which has given rise to a variety of small household appliances. The small household appliance industry ha...[Details]
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Digital multimeter delayed automatic shutdown circuit (I) This circuit is suitable for handheld digital multimeters. This type of instrument has very low power consumption and is generally suitab...[Details]
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The PCI bus has the advantages of supporting multiple peripheral devices, being independent of the processor, and having fast data transmission. It has been applied to various occasions such as PCs...[Details]
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1) Use a multimeter to check whether the battery is good or bad. Set the multimeter to R×1k (or R×10k). Since the Ubo value of the bidirectional trigger diode is above 20V, and the battery in the mul...[Details]
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The half-bridge LLC resonant converter has been widely studied due to its simple topology and high working efficiency. Here, pulse frequency modulation (PFM) is used for the working condition of wide...[Details]
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Routing and identification unit - T7000 cable path detector T7000 comprehensive cable detector is a new type of cable detection equipment, with a new appearance design that conforms to ergonomic prin...[Details]
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The magnetic float level gauge adopts the principle of communicating vessels to introduce the liquid in the container into the main body of the level gauge at the same height. The floating float asse...[Details]
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Recently, the Shanghai Stock Exchange accepted the listing application of Wuhan Lingdian Automotive Electronic Control System Co., Ltd. (hereinafter referred to as "Lingdian Electronic Control") on t...[Details]
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Tesla Model Y has been attracting much attention since its release in March this year. Model Y prototype exposed Recently, a Model Y prototype was spotted with a towing device, a feature Tesla had...[Details]
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0 Introduction
Energy shortage and environmental pollution are becoming increasingly serious in the world today, forcing people to find and use new alternative energy sources. With the improvement ...[Details]
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In 2020, Chengtai Technology's shipments in the commercial vehicle millimeter-wave radar market reached more than 100,000 units. As we all know, the millimeter-wave radar market has been monopoliz...[Details]
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By Bruce Trump, Texas Instruments Recently, someone asked me a question on our Precision Amplifiers E2E forum and attached a SPICE simulation schematic (thanks for that!). It was an op amp circuit (i...[Details]
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1. Instrument Model Rohde & Schwarz Signal Generator SMR20 2. Fault phenomenon Black screen and no boot 3. Maintenance and Inspection After the instrument arrived, the engineer first verified the i...[Details]
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Hardware circuit and principle To make the electric fan send out natural wind, it is necessary to change the strength of the fan, that is, to change the voltage and current of the fan motor, thereby ...[Details]