A portable measuring instrument, powered by a single Li-Polymer battery, raises the voltage to 5.5V. Based on the application conditions, two DCDCs, TPS63000 and TPS61090, were initially selected. The...
[i=s]This post was last edited by lonerzf on 2014-1-15 09:05[/i] Today's tasks are not many, mainly to introduce how to simply operate the GPIO port and light up the LED. It is recommended to read the...
The software of the intelligent power consumption monitoring and protection system mainly involves timers, AD sampling, LCD display, and key interrupts. Therefore, these parts are introduced in detail...
The national statutory holiday is coming to an end, and most people are ready to return to work. Most people are worried about how to prevent COVID-19 in crowded offices. For this reason, the editor o...
The most common row-column matrix drive can use N+M IOs to drive N*M LEDs. This method, called Charlieplexing, can use N IOs to drive N*(N-1) LEDs. In other words, to drive 6 LEDs, the determinant met...
Implementing a system restore problem: After the exe file on wince is run, it can automatically copy the files in the PC (F:\system\*.*) and replace the files under the system on the smartphone, reali...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Analogue and Mixed Signal
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