Founded in 1981, Guanxi Electronics is a professional manufacturer of relays and optocouplers. Its main business operations include the production and sales of the following four categories of products: reed relays, solid-state relays, optocouplers, and electric relays.
[i=s]This post was last edited by led2015 on 2020-5-27 16:09[/i]Based on the design of ATmega88PA intelligent solar street light controller, in view of the inconvenience of user settings of current so...
[i=s]This post was last edited by btty038 on 2019-10-28 16:27[/i]RF signal【AMP IN】Dielectric filtering + first stage amplificationDirect second stage amplificationDirect third stage amplificationMatch...
"Methods and Techniques for Learning Circuit Diagrams (2nd Edition)" has 9 chapters. The content includes: overview, structural principles and characteristics of components, circuit diagram examples, ...
[size=4][color=#000000] Keywords such as if, do, while, switch, for, else, case, default, etc. must be followed by curly braces {}, even if there is only one statement behind them. Because when I was ...
I'm working on Freescale microcontroller LIN communications.
The host sends to the slave, and the slave can receive it.
Then I received the data from the slave machine and sent it to the host machine,...
Well, actually I just took one photo, and I won’t unpack it after I wrap it.Introduction to MM32 eMiniBoardMM32F0133C7P (Cortex-M0 MCU: 64k FLASH, 16k SRAM)
Onboard SPI Flash chip
Onboard IIC EEPROM c...
The evolution of uninterruptible power supply UPS
The first generation of uninterruptible power supply UPS produced by Merlin Gerin MGE UPS SYSTEMS on a mass product...[Details]
Access control systems can be found in office buildings, shopping malls, enterprises, institutions and government agencies. They bring great convenience to our daily lives and also ensure our safet...[Details]
The main power supply and backup battery are connected to the load through a simple diode "OR" logic circuit. However, when the battery voltage exceeds the main power supply voltage, the diode "OR"...[Details]
Efficient Power Conversion (EPC) sued rival Innosec at the U.S. International Trade Commission, seeking protection of emerging gallium nitride (GaN) technology patents Case Focus on New Generation ...[Details]
1 Introduction
With the continuous development of modern communication technology, the requirements for frequency sources are getting higher and higher. On the one hand, due to the rapid expans...[Details]
To design a product, we must first determine which LED package structure to use; then consider how to adapt to these packages; we have few options, and the optical structure is built on these packa...[Details]
introduction
At present, when designing the control panel of the instrument, various buttons are mainly used to generate control signals by detecting whether the buttons are pressed. However, in ...[Details]
Imagination Technologies, the multimedia and communications technology company, has announced that it will release the first members of its PowerVR Series4 video cores.
The PowerVR Series4 D450...[Details]
With the rapid development of modern power electronics technology, a large number of nonlinear loads have been added to the power grid, such as the widespread application of large-capacity curren...[Details]
Each linear regulator has its own advantages and disadvantages, and it is ultimately up to the designer to determine whether a certain type of regulator is suitable for the device based on requiremen...[Details]
Display screen production method LED screens , as a new media, are more likely to attract people's attention with their moving luminous images and texts. They have a large amount of information and ...[Details]
A charge pump is a circuit that uses the accumulation of capacitor charge to generate a voltage higher than the power supply voltage or a negative voltage. As a programming high voltage generator, the...[Details]
In addition to meeting safety requirements, the LED drive circuit should have two other basic functions. First, it should maintain constant current characteristics as much as possible, especially ...[Details]
The typical circuit of the power supply based on UC3842 is shown in Figure 1. Overload and short-circuit protection is generally achieved by connecting a resistor (R4) in series with the source of th...[Details]
Microchip MCU
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