[i=s] This post was last edited by paulhyde on 2014-9-15 09:33[/i] void readmax188(unsigned char port) { uchar data i; ad_data=0; B=port;// Write control words, The starting bit of the control word mu...
Dear experts, have you ever used 430 single chip microcomputer to make menu? Welcome to share your ideas. There are three or two buttons and a liquid crystal. Press one of the buttons and the liquid c...
Recently, TI introduced a new generation of automotive LED drivers that meet the AEC-Q100 standard. Its rich features support the industry's highest rated voltage, thermal shutdown protection, and opt...
I need to reduce the voltage from 5V to 4V, and the supply current changes from 80mA to 2A. Using a single diode, it is only 0.7V, but using two diodes, it is over 1.4V. Please help me how to achieve ...
Hello everyone, I am a PIC microcontroller novice, but I am very hardworking. I bought the ND118-877APIC experimental development board, which has examples but no source code. I wrote the code myself ...
[Beijing] This unit sincerely recruits artiris part-time teachers, short period, weekends, if you want to earn some extra money, accumulate resources, enrich your life, please contact me. It is requir...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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 ea...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]