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(1) Theory of potentiometric determination of pH value: When an electrode that is reversible to hydrogen ions H+ and a reference electrode are placed in a solution, a primary cell is formed .
Sin...[Details]
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On November 21, 2019, at the SPS 2019 exhibition celebrating its 30th anniversary, the CiA organization demonstrated the migration from classic CANopen to CANopen FD through a network connected by tw...[Details]
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The cold-end temperature compensation, filtering, preamplification and other circuits of the instrument adopt the circuit shown in Figure 1a. The pre-processed thermoelectric potential signal is sen...[Details]
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1 Characteristics of 555 time base circuit
The 555 integrated circuit was initially used as a timer, so it is called a 555 timer or a 555 time base circuit. But later, after development, in additio...[Details]
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1 Introduction Environmental noise monitoring is an important link for humans to improve their quality of life and strengthen environmental protection. Large-scale environmental noise monitor...[Details]
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1 Introduction
Since the birth of light-emitting diodes (
LEDs
), full-color and high-
brightness
have been achieved
, and
white-light LEDs
have been developed based on
...[Details]
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There is new progress in the acquisition of Panda Electronics. According to industry insiders, Panda Electronics' panel production line will be divided up by two panel giants, BOE and TCL Technology....[Details]
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Recently, an engineer in my office used an oscilloscope to measure a non-isolated power supply board. The moment he connected the oscilloscope to the point to be measured, there was a "pop" sound and...[Details]
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High-brightness LEDs have brought continuous changes to the lighting industry, adding more flexibility and intelligence to various lighting systems, including white light and color light designs. Thes...[Details]
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Conceptually ARM is an application and FPGA is a chip design. The former is software and the latter is hardware. ARM is like a single-chip microcomputer, but its own resources are fixed by the manufa...[Details]
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As the functions of smart handheld devices such as mobile phones and tablets in people's hands are constantly upgraded and powerful, entertainment and personalized applications have also made the bat...[Details]
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This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for eac...[Details]
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Inverting amplifier circuit using guard ring
TLC2652 is a high-precision amplifier, which often works at high gain when the input voltage is in the microvolt range. To ensure the accuracy of the a...[Details]
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In response to consumers' enthusiasm for
LED
LCD TVs
, industry experts pointed out that, driven by many color TV giants,
LED
LCD TVs have begun to enter the era of functional segme...[Details]
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As an energy supply device for electric vehicles, the charging performance of the charger is related to the service life and charging time of the battery pack. The basic principle of electric vehic...[Details]
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