1. The functional requirements of the module are as follows: 1. 14 inductive buttons are expanded through IO. 2. 12 of them are divided into 4 groups, 3 in each group. 3. There are 5 normally closed L...
As energy efficiency and environmental protection become increasingly important, people have higher and higher expectations for the standby efficiency of switching power supplies. Customers require po...
The first time I saw this film, I felt quite strange. Digital inductor. Inductive sensing technology enables high-precision measurement of linear/angular position, displacement, motion, compression, v...
[backcolor=rgb(239,245,249)]I have a PT2272 receiver board that does not support self-locking. There are 4 buttons on the remote control, corresponding to four groups of outputs. When a button is pres...
There are only 5 days left in 2016. I lamented at the company's morning meeting two days ago that time flies so fast. A year has passed in the blink of an eye. I have been working for 6 years. 2016 is...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
High-definition video surveillance has developed rapidly in recent years, mainly to solve the problem of unclear "details" in normal monitoring. Some cities use high-definition television surveilla...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
In recent years, the rapid development of high-performance digital signal processing chip DSP (Digital Signal Process) technology has made it possible to realize real-time speech recognition. Amo...[Details]
As test engineers, we have to deal with the complex testing of Electronic Control Units (ECUs) before assembly. In this short article, I will try to make you more aware of the various applications ...[Details]
Embedded System
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