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1. Basics The nRF52 series chips are all based on the Cortex-M4 core. The Flash operations of the chip are managed by the NVMC (Non-volatile memory controller), and the read, write and erase mechanis...[Details]

As a conventional method for clinical examination of heart disease, electrocardiogram has the characteristics of non-invasiveness, simple operation, and fast output, which plays a decisive role in ...[Details]

The final results of the "OFweek Robot Awards 2022" jointly organized by OFweek, a Chinese high-tech industry portal, and its authoritative robot professional media - OFweek Robotics, were ...[Details]

  　1. What is the manufacturing process of LED chips? 　　LED chip manufacturing is mainly to manufacture effective and reliable low-ohm contact electrodes, and to meet the minimum voltage drop between...[Details]

       The Samsung Galaxy S22 series is about to be released, and the product appearance, configuration, price, etc. have all been exposed. 　　According to ETNews, Samsung will start taking reservat...[Details]

1 Introduction to WiMAX The huge demand for wireless access to the Internet and wireless multimedia data services has driven the rapid development of wireless communication technology. Bro...[Details]

Anyone who has worked on ST MCU application development will often encounter the three concepts or terms of events, interrupts, and event interrupts. These three concepts are related to each other, w...[Details]

15V, 2A precision constant voltage/constant current switching power supply circuit   Figure 15V, 2A precision constant voltage/constant current switching power supply circuit The circuit of 15V,...[Details]

After Professor Nakamura of Nichia Chemical published the blue LED in 1996, the red, green, and blue LEDs representing the three primary colors were finally available. Since LEDs are lightweight, h...[Details]

PHEV vs HEV After talking about pure electric vehicles, let's compare PHEV and HEV. Although the total number of these two is much smaller, PHEV (10,361 units) is much smaller than HEV (27,721 units)...[Details]

The circuit for obtaining steep-front high-voltage narrow pulses using a MARX generator is relatively complex, and there are many design and process difficulties in steepening the front. It is easy...[Details]

Although there are many brands of mobile phones on the market, their charging circuits are roughly the same, all using PMOS-based charging circuits. When using PMOS, it is easy to control its swi...[Details]

According to foreign media reports, Toyota Motor Corporation has developed a packaged fuel cell (FC) system module and plans to start selling it in the spring of 2021 or later. FC products are widely...[Details]

The automatic current sharing method based on the average current value requires that the output terminals of the current amplifiers of the parallel modules (see point a in Figure 1) be connected t...[Details]

A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]