Founded in 2014, Meihua Technology adheres to the corporate culture of "being down-to-earth, pursuing excellence, and caring for society" and the positioning of "experts in optoelectronics and precision components"; it focuses on the research and development and product services of peripheral components, power components, and integrated components.
Recently, I have been studying some applications of 2.4G chips. Generally, such chips are connected to MCU through SPI or IIC interfaces, and the control effect is achieved by programming SPI or IIC t...
I designed a peripheral board for maple, and I hope you can give me some suggestions on the wiring .illustrate
1. Functional module description
1. Relay part
Signal input : PIN9, PIN8
Output : PIN9-A,...
When the GPIO port of the LM3S series is configured as a backup function, do some related function pins need to be configured as the same GPIO series port? For example, when configuring the QEI functi...
Selling GT2440 development board, booted about 20 times, contact QQ: 468169201, I haven't used it much since I bought it, and now I'm about to graduate, I want to sell it, or change to another board :...
After reading the first five chapters of the book, I feel it is very good, from the basics to the practical. As the saying goes, there are a hundred Hamlets in the hearts of a hundred readers, and eve...
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
Power quality refers to the quality of AC power supplied to the user end through the public power grid. In an ideal state, the public power grid should supply power to users at a constant frequency...[Details]
This article introduces the advantages of outdoor full-color SMD display and the performance parameters of the dedicated outdoor full-color SMD used, which will help people understand and promote...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]