Radio Frequency Identification (RFID) technology is a contactless automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barcode ...
The microcontroller is 5V, but many indicator lights are 24V. Most indicator lights have a current of 10~100MA, and there are usually more than 10 of them. I often use optocouplers + transistors to sw...
With the continuous progress of society, the security industry continues to grow rapidly, and security products have been widely used. Whether it is public utilities, commercial or civilian, security ...
[i=s]This post was last edited by yhyworld on 2019-11-20 16:38[/i]See Figure 1,LM5118 specification, 8.2.1 Design Requirements, minimum load current (CCM operation) = 600mA.
Figure 2 is Figure 19 ment...
[i=s]This post was last edited by btty038 on 2018-11-30 13:37[/i] The above test effect diagram, with further + high voltage frequency,... [b][color=#5E7384]This content is originally created by EEWOR...
Since the chiplet technology was widely publicized by Intel and AMD and successfully introduced, the technology has been constantly hyped and well-known in the past two years. During ICCAD 2019, Dai ...[Details]
In addition to being suitable for beginners, the Keysight DSOX1102G oscilloscope is also an ideal tool for professional users with limited budgets. It is not only low-cost, but also a highly integrat...[Details]
In order to compare the difference between the C20A probe and the AC20A inductive probe, I connected a different current probe to each channel in this demonstration. I connected a C20A current probe ...[Details]
As the COVID-19 epidemic continues to expand, impacting the global economy and consumer power, global market research firm TrendForce has compiled the latest status of key components and downstream i...[Details]
In this technical white paper, Infineon Technologies examines the challenges facing on-board charger designers and takes a closer look at the role that semiconductor packaging plays in creating a s...[Details]
1 Introduction Frequency characteristics are the response characteristics of a system (or component) to sinusoidal input signals of different frequencies. As shown in Figure 1, the input of the measu...[Details]
Driven by the rising prices of upstream raw materials, the prices of PCB boards are also constantly increasing. Recently, Shenzhen Nan Circuit released an investor activity record sheet to disclose t...[Details]
TI's MSP430F471x3, MSP430F471x6 and MSP430F471x7 are ultra-low-power mixed-signal microcontrollers that integrate three, six or seven 16-bit sigma-delta ADCs, two 16-bit timers, four universal serial ...[Details]
ADC hardware principle An analog-to-digital converter, or ADC for short, usually refers to an electronic component that converts analog signals into digital signals. As shown in the figure, the analo...[Details]
Note: This program is derived from the tutorial of Zhengdian Atom. Because Zhengdian Atom uses large-capacity STM32 products, several places need to be modified. There is one more place that ...[Details]
1. Hardware Solution The intelligent lighting control system consists of a single-chip microcomputer minimum system, a human body sensing module, a light intensity module, a light control module, a p...[Details]
WiMi Hologram Software Co., Ltd. (Nasdaq: WiMi) (hereinafter referred to as "WiMi Hologram" or "the Company"), a leading provider of holographic AR application technology, has obtained a patent for ...[Details]
1 Introduction
The dimmer is the core control device of the airport navigation lighting system. At present, the dimmers used at home and abroad mainly adopt thyristor chopper technology. This d...[Details]
Figure 1 Interrupt system structure
As shown in the structure of Figure 1, the 51 single-chip microcomputer has five interrupt request sources and four registers for interrupt control, IE, I...[Details]
ABB robots are intelligent devices widely used in the field of industrial automation. Their basic program data is the basis for realizing robot automation control. This article will introduce the b...[Details]
Microcontroller MCU
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