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RS485 is one of the most commonly used communication methods for electric meters. In daily life, lightning and static interference have become common problems encountered by 485 communication buses...[Details]
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The Semiconductor Industry Association (SIA) recently announced that global semiconductor sales totaled $113.6 billion in the third quarter of 2020, an increase of 11.0% from the previous month and 5...[Details]
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Since MCU (microcontroller) has obvious advantages in reliability, size, power consumption, cost performance, etc., the upper and lower compute...[Details]
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Recently, NavInfo obtained the functional safety management system certification. In response to the stringent functional safety requirements of related products for automotive intelligence, NavInfo ...[Details]
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Jiwei.com reported that the trend of miniaturization of electronic devices requires the comprehensive effect of innovation in every segment. For example, in recent years, the built-in lithium battery...[Details]
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This article discusses how to monitor the input voltage and current of telecom equipment with two independent inputs (-48V (A) and -48V (B)). The voltage range of each independent input is not narrowe...[Details]
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At the 2017 Hubei New Energy Vehicle Green Transport Capacity Sharing Platform Promotion Conference, Xinwo Transport signed a strategic cooperation agreement with more than ten Hubei local logistics ...[Details]
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1. Development trend of frequency converter in dyeing and finishing industry
For the dyeing and finishing industry, electricity consumption is the main part of its production cost, and the dye...[Details]
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The PCB schematic is as follows. I remember it was drawn with protel at that time. The circuit schematic is as follows: Drawing software is the same as above Experiment reference C language code ...[Details]
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Test summary: The interrupt is not generated: GPIO is not configured for IIC function; Only one interrupt is generated, and an error occurs: tx err, no ack: Before starting the transmission, IICSTA...[Details]
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Have you ever used the pass/fail testing feature in a digital oscilloscope? This is a great tool if you need to run repetitive tests on small batches of devices. You can also use pass/fail testing in...[Details]
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Today’s signal environment is not only crowded and complex, but also ever-changing. The sheer number of Wi-Fi devices has overcrowded unlicensed frequency bands. As digital transmission replaces anal...[Details]
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A Samsung device with model number SM-F7000 has passed 3C certification, which shows that the device will come with a 15W charger in the box. This likely means that Samsung's next-generation f...[Details]
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On December 27, Tianjin issued the "Notice on Accelerating the Construction of Internal Electric Vehicle Charging Facilities in Our City", which clearly stated that by the end of 2018, all existing...[Details]
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1. Words and Halfwords of Memory 1. Two consecutive bytes starting from an even address constitute a half-word. 2. Four consecutive word orders of addresses divisible by 4 constitute a word The lengt...[Details]