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LED fluorescent lamps use CREE and AOD ultra-bright LED white light as the light source, and the shell is acrylic/aluminum alloy (customer definition). The outer cover can be made of PC tube...[Details]
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UART, SPI, and IIC are several frequently used data transmission standards. The following is a summary of them: UART (Universal Asynchronous Receive Transmitter): This is what we often call the ser...[Details]
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5000W ultra-light, high power amplifier circuit, no switching power supply
This circuit is of an 2x 2,500W RMS stereo amplifier, super-light and without switching-mode power supply. The circuit ...[Details]
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Bluetooth market growth slowed down during the pandemic, but will resume in 2021 Beijing, April 15, 2021 - The outbreak of the COVID-19 pandemic has slowed the growth of annual Bluetooth device s...[Details]
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Energy storage technology is the key support for the new power system to achieve efficient, stable and flexible operation, and can balance power supply and demand and improve energy utilization effici...[Details]
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Watchdog circuit diagram
As shown in the figure above: When the circuit is working, as long as the CD4060 reset pulse is given regularly, Q1 can be guaranteed to be in the cut-off state, so that th...[Details]
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Nowadays, bad merchants try every possible means to make fakes, and the audio market is no exception, resulting in the proliferation of fake products. Below, the author specifically introduces the ide...[Details]
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According to foreign media reports, Ford Motor Company has applied to the US Patent and Trademark Office (USPTO) for a new patent for a brake light detection system. Ford has filed a series of s...[Details]
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1. Main idea:
Because the light-emitting diode has unidirectional conductivity, we use the R × 10k range to measure its forward and reverse resistance. Generally, the forward resistance should ...[Details]
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On June 9, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Quan Ding has launched a high-efficiency active brid...[Details]
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On August 27, the realme X7 series Weibo conference continued to reveal the highlights of the X7 series. According to the official introduction, the realme X7 series comes standard with 65W ...[Details]
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Multimeters are an electrical tool that can be used by engineers, electrician beginners, experienced electricians, and ordinary residents. But do you really know how to use a multimeter? Today, we wi...[Details]
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On August 9, according to foreign media PhoneArena, Google has submitted a patent application titled "Under-screen camera system and device" to the European Patent Office. The patent shows an "unde...[Details]
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With the development of wireless technology, the vehicle-mounted wireless monitoring system sends the images and voices in the vehicle compartment to the control center through 3G wireless transmissio...[Details]
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The field of autonomous driving technology is advancing rapidly. The number of highly automated vehicles shipped annually is expected to grow at a compound annual growth rate of 41% from 2024 to ...[Details]
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