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Liquid level transmitter wiring method A pressure transmitter is a device that converts the pressure of a gas or liquid into a usable electrical signal. According to the wiring method, the pressu...[Details]
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Recently, the first Mini-LED electrical testing equipment independently developed by Hefei Xinyihua was officially delivered to customers, helping to improve the yield of the Mini-LED display industr...[Details]
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The embedded controller is designed with Atmega128 single-chip microcomputer. The analog input channel uses Atmega128 on-chip A/D converter, the output uses AD421 D/A converter, and the digital I/O...[Details]
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At present, the diversified functions of consumer electronic products (such as color TVs, stereos, etc.) make the control circuit more complicated. The I2CBUS (Inter ICBUS) bus introduced by Philips ...[Details]
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Recently, Intel and Didi Chuxing (hereinafter referred to as "Didi") signed a strategic cooperation agreement, aiming to carry out in-depth cooperation in the two major fields of cloud computing and ...[Details]
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The traditional method of measuring body temperature is to use a mercury thermometer. Since a broken mercury thermometer will cause the leakage of harmful heavy metals, which is not conducive to en...[Details]
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Lead, mercury, hexavalent chromium, cadmium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE) are prohibited in electronic and electrical equipment; the limit for cadmium is 1...[Details]
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OLED is very popular recently, and news of OLED being sold out has been heard one after another. Panel manufacturers at home and abroad are accelerating their layout of OLED, striving to catch the ex...[Details]
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One of the core goals of the new generation of intelligent vehicle architecture is to support the functional safety of high-level autonomous driving. Among the means to achieve the goal, "redundanc...[Details]
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The current flowing when an abnormal connection (short circuit) occurs between phases or between phases and the ground (or neutral line) during operation of the power system is called short-circuit cu...[Details]
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Orifice flowmeter, also known as differential pressure flowmeter, is composed of a primary detection device (throttling device) and a secondary device (differential pressure transmitter and flow disp...[Details]
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introduction
半桥逆变电路是电子镇流器和电子节能灯中最常用也是最基本的电路,正确地理解它的工作原理,将有助于我们合理地选择元器件如磁环变压器、扼流电感、启动电容等元件的参数,正确地安排三极管的驱动电路,以降低它的功耗与热量,提高整灯的可靠性。遗憾地是过去受观测仪器(如示波器)和测试手段的局限,我们无法观测到电路中关键点如三极管各个电极电流的正确波形(如文献4的电流iB、...[Details]
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Cortex-M3 belongs to the ARM V7 architecture (ARM 7 is not equal to ARM V7) ARM V7 three series: A Series Android R series real-time operating system M Series Microcontrollers STM32 naming conv...[Details]
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In some cases where you need to buy relatively expensive electronic limiters, you can try using standard AGC fuses to protect your speakers. AGC fuses are small glass tubes with metal inside and metal...[Details]
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Summarize the problems encountered before:
1. For similar problems:
mtd- read(0x44 bytes from 0x68cf44) returned ECC error
jffs2_get_inode_nodes(): CRC failed on node at 0x0068c684: Rea...[Details]