My program is made on LPC2146. I also checked it with an oscilloscope. The commands, timing and chip select issued by MOSI are all fine, but MISO doesn't send anything back. I'll post the program to h...
Opportunities and Challenges:At present, the Chinese packaging and testing market is still dominated by foreign-funded enterprisesThe future development of China's packaging and testing industry still...
.It needs to automatically distinguish positive and negative. If it is a negative voltage, it will be converted to positive. At the same time, there is a pin level as a sign. Sorry for the trouble. I ...
[size=4] The operational amplifier in the electronic circuit has a non-inverting input terminal and an inverting input terminal. The polarity of the input terminal and the output terminal are the same...
[size=6]I beg for the circuit diagram[/size], [size=6]it will be very grateful[/size] The requirements are as follows: 1. Make a power amplifier 2. Measurement range: 100hz~100khz 3. Input signal: sin...
Hello, seniors and juniors! Happy New Year! I wish you all your dreams come true, a successful career, rising steadily, abundant wealth, many children and grandchildren, harmonious family, good health...
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]
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]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Embedded System
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