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On October 30, according to CCTV News, on October 29, local time, Hildegard Mueller, president of the German Association of the Automotive Industry, issued a statement strongly opposing the EU's im...[Details]
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Use ST's HAL library for development, and the SDRAM used is W9825G6KH-6. W9825G6KH-6 has 4 banks, 13-bit row address, 9-bit column address, and 16-bit bit width. So the capacity of the chip is: 4x81...[Details]
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This year, GM has mentioned on various occasions more than once that "the new generation of electronic and electrical architecture Global B will provide system support for electrification, active saf...[Details]
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1. High precision, generally up to ±1%R, ±0.5%R, high precision up to ±0.2%R; the precision of export products can generally reach ±0.1%, high precision up to;
2. Good frequency, the short-term repet...[Details]
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After the R16 version was frozen in June 2018, the complete version R16 that can fully reflect the three major features of 5G will be frozen in March 2020. The R17 version, which is expected to be fi...[Details]
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Keysight Technologies Inc. (NYSE: KEYS), a leading technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, announced today ...[Details]
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Calculators are of various types, exquisitely made, sensitive to trigger, and cheap. Using an old calculator to transform it into a universal keyboard for a single-chip microcomputer system can be ...[Details]
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In 2010, the State Council issued Document No. 25, “Opinions on Accelerating the Implementation of Contract Energy Management and Promoting the Development of Energy-saving Service Industry”. In th...[Details]
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The amplifier is composed of VU, VT5, VT6 and VT7, among which the input impedance of VU is very high, which can match the high impedance signal source in the low conductivity measurement range. The...[Details]
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1 Composition and working principle of constant current source The constant current source circuit is shown in Figure 1. In the figure, A is a high-precision op amp, Q1 and Q2 are power MOSFETs, and ...[Details]
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The options for mobile phone chips in the future may be more abundant than this year. On November 23, relevant information about Qualcomm Snapdragon 870 was exposed online. It has a higher main frequ...[Details]
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On February 10, SMIC, China's leading wafer foundry, released its fourth-quarter 2021 financial report. Many operating indicators once again hit record highs. Quarterly revenue reached US$1.5801 bill...[Details]
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PCM encoding and decoding module principle
The principle block diagram of this module is shown in Figure 5-2. The module uses +5V and -5V voltages internally, where the -5V voltage is obta...[Details]
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1. Introduction
As network and information technology become more mature worldwide, industrial automatic control systems increasingly use Ethernet and TCP/IP protocols as the main communic...[Details]
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In-vehicle online diagnostic system
The in-vehicle online diagnostic system refers to the conditions and logic under which the ECU will detect whether there is a fault, and how to handle the f...[Details]
DIY/Open Source Hardware
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