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The principle of LED light emission is different from traditional lighting . It relies on PN junction to emit light. LED light sources with the same power have different chips and different curr...[Details]
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The single-tuned filter is composed of a capacitor, an inductor and a resistor in series. Its working principle is to use the capacitor and the inductor to resonate certain harmonic frequencies t...[Details]
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The full name of FED is Field Emission Display. According to the electron emission source, FED can be divided into CNT (carbon nanotube type), SED (surface conduction type), Spindt (conical emit...[Details]
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OnePlus has previously announced that it will hold an online press conference on April 15 to officially launch its first Snapdragon 870 flagship - OnePlus 9R. Recently, OnePlus’ official Weib...[Details]
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Embedded platform based on LPC2214 and uC/OS-II
Currently popular ARM chip cores include ARM7TDMI, ARM720T, ARM9TDMI, ARM992T, ARM940T, ARM946T, ARM966T and ARM10TDMI. Philips LPC2214 is a hi...[Details]
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The modern concept of "car" is undergoing a huge change, and is developing towards a safe, comfortable, convenient and pollution-free direction that can meet human needs.
Cars are driven by pe...[Details]
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The advent of power MOSFET and IGBT has opened up a brilliant road for UPS, ushering UPS technology into a new era - the fully digital era. First, the input part of the UPS eliminates the power fre...[Details]
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How Frequency Modulation (FM) Works
The frequency modulation (FM) radio consists of an input circuit, a high-frequency amplifier circuit, a local oscillator circuit, a mixing circuit, an in...[Details]
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According to regulations, energy efficiency labels are affixed by manufacturers based on the actual product conditions and the unified style formulated by the government, i.e., "self-declaration",...[Details]
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Recently, CATL and Gresham House Energy Storage Fund, a British new energy investor, reached a long-term supply intention agreement of nearly 7.5GWh. The two parties will strive to expand the s...[Details]
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Preface
Since the issuance of 5G licenses in 2019, after five years of development, my country's 5G has achieved remarkable results in infrastructure construction, user scale, innova...[Details]
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Single-chip microcontrollers are widely used in various industrial and civilian embedded systems due to their small size, low power consumption and ease of use. With the rise and popularity of the In...[Details]
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In recent years, sodium-ion batteries have attracted much attention due to the abundance of sodium and the low cost of such batteries. Electrodes with high Na+ storage capacity and cycling stability ...[Details]
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The Apple OEM industry is in turmoil again. Luxshare Precision announced yesterday evening that Luxshare Precision and its controlling shareholder Luxshare Co., Ltd. will invest 3.3 billion yuan (abo...[Details]
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With the rapid development of wireless communication technology and the continuous evolution of specifications over the past decade, various wireless technologies, whether GSM, GPS, WLAN (such as Wi-...[Details]