74010E-21N-75PC

ViewSonic announced the launch of its newly upgraded portable projector M1 mini Plus. The new M1 mini Plus has a compact appearance that won the 2020 iF Design Award. The projector can be easily put ...[Details]

I have been working on automotive DC step-down power supplies for some time. I have designed many solutions, but either the power modules are too expensive or the delivery cycle is long. Even so, I c...[Details]

　　Electronics enthusiasts usually use a multimeter to make and repair electronic products, so they will not know where to start when encountering a slightly complicated problem. At this time, it will...[Details]

When the tide of new energy technology came, many new car-making forces followed one after another. Among them, although many brands failed on the eve of mass production due to funding, R&D and other...[Details]

　　Small in size, light in weight, with a wide measuring range and easy to carry, the current transformer ratio tester suitable for field use is becoming an essential means for transformer testing. 　　...[Details]

When using 51 single-chip microcomputer, a component is often used, that is, the single-chip microcomputer timer. It plays an important role in many timing systems. What are the functions of single-ch...[Details]

1. Brief Introduction Over the years, the programmable controller (hereinafter referred to as PLC) has made a leap from wiring logic to storage logic since its creation; its functions have evo...[Details]

l Introduction Electronic accounting and tax control terminals are highly secure and reliable products, which are related to information security and financial security. Long-term use of foreign c...[Details]

Four common faults of scroll compressors Common fault 1: The compressor is lack of oil and the compressor is not lubricated enough. The reasons are as follows: The compressor starts and s...[Details]

When it comes to speaker parameters, power is the most mentioned. We can even easily see that two speakers with the same power have completely different performances at medium or high volume, and soun...[Details]

EDR (Event Data Recorder), also known as the automobile event data recording system, is known as the "black box" in the automotive industry. It is a device or system that monitors, collects and recor...[Details]

1. introduction 　　In the past decade, the frequency range of shielded rooms used as microwave experimental infrastructure has been continuously expanded. The high-end frequency has increased from 1...[Details]

 Nordic Semiconductor has announced that Cube Tracker, a technology startup based in Decatur, Michigan, has used its nRF9160 low-power System-in-Package (SiP) device with an integrated LTE-M/NB-IoT m...[Details]

I have been studying STM32 timers for more than a week, and it is really confusing. The various modes are mainly because we don't know much about the application of the various modes of the timer. Ho...[Details]

Using LED backlight The main challenges are: application of current matching in multiple LED strings, power consumption and protection circuit, and audible noise during dimming. In ...[Details]