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This circuit has a current limiting effect. When the current of Q5B flows through R33 and the voltage on R3 is greater than 0.7V, Q5A starts to conduct, causing the base voltage of Q5B to increase, p...[Details]
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Speaking of STM32 USB UDF, it is actually what we often call IAP (In Application Programming). There are many ways to use IAP. I have used serial port IAP and network IAP before. Here we use USB IAP, ...[Details]
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Measuring speed control motors with Fluke 87V
This paper introduces the method of using Fluke 87V digital multimeter to measure the input voltage/current, output voltage/current...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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describe
LTC®
6803
It is a second generation complete battery monitoring IC with a 12-bit ADC, a precision voltage reference, a high voltage input multiplexe...[Details]
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Calculation is an important part of the daily installation and maintenance practice of electricians. In view of the characteristics of the electrical industry, that is, some calculations are not re...[Details]
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A new research report from Frost & Sullivan shows that the European photovoltaic market recovered significantly in 2017, adding 8.6GW of solar power generation capacity, mainly due to c...[Details]
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Although 8K panel technology has been around for several years, its penetration rate is really low. It is reported that the shipment of 8K panels in 2019 was only 240,000 pieces, accounting for 0.0...[Details]
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Ten classic application scenarios:
Automobile Manufacturing: Widely used in the automobile manufacturing process, including welding, assembly, painting, dispensing and other tasks.
Eq...[Details]
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1. Chip heating This content is mainly for high-voltage driver chips with built-in power modulators. If the current consumed by the chip is 2mA, and a voltage of 300V is applied to the chip, th...[Details]
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Abstract: EMI filters can effectively suppress power grid noise and improve the anti-interference ability and reliability of electronic instruments, computers and measurement and control systems...[Details]
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1. Introduction
Linux was originally developed by Linus Torvalds, a student at the University of Helsinki in Sweden, in 1991. Later, with the support of GNU, Linux has achieved tremendous deve...[Details]
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Today, iQOO 9 will be officially launched at 10 am. The price of 8GB+256GB is 3999 yuan, the price of 12GB+256GB is 4399 yuan, and the price of 12GB+512GB is 4799 yuan. There are three color schemes ...[Details]
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Method 1: Find a transistor with β≥250 (small penetration current is required). If you can't find it for the time being, you can use two transistors of the same model to form a Darlington form, as ...[Details]
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"Know at a glance: What are the design standards for automotive connectors today?" Edited by Deso Hardware Electronics.
With the improvement of people's living standards, it is common for a fa...[Details]