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Most of the design elements of rigid printed circuit boards have been applied to the design of flexible printed circuit boards. However, there are some new elements that need to be paid attention t...[Details]
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Software and hardware platform: WIN7 x64, ADSv1.2, Mini2440, JLink8.0, J-link ARM V4.08l Debugging bare metal programs can cause some weird problems!! When Making and Running the Project, an error ...[Details]
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Apple has just officially launched the 16-inch MacBook Pro. There was no press conference, but it was directly released online. This product, which has been rumored for half a year, has finally been ...[Details]
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Since ultrasonic level meters do not come into direct contact with liquids, they can be used in materials and liquids that are toxic, flammable, highly viscous, and corrosive. Ultrasonic level meters...[Details]
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The most important point in the construction of the global energy internet is to form an alliance among banks, power grids and other institutions and organizations. Find a balance point in terms of...[Details]
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#include //Header file containing 51 MCU register definitions
sbit sound=P0^4; //Define the sound bit as P0.4
#define uchar unsigned char
#define uint unsigned int
uchar k,num,temp;...[Details]
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In the circuit with low voltage input, low power output and good synchronous rectification (ZVS mode), push-pull mode is still an option. The control IC can choose the compact PWM control IC of the...[Details]
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Independent keyboard: keyboard: vKeyboards are divided into coded keyboards (such as PS2 keyboards) and non-coded keyboards. vThe recognition of keys on the keyboard is realized by a dedicated ha...[Details]
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This article is about playing with Xilinx Zedboard development board (4): How to use built-in peripheral IP to let ARM PS access FPGA? The content is wonderful, please keep a close eye on the Elect...[Details]
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AC motor is an electric motor that converts AC power into mechanical motion. Its working principle is to use the rotating magnetic field generated by AC power to make the motor's rotor rotate. Acco...[Details]
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Require: Independent program serial receiving/transmitting, two MCUs use serial ports for full-duplex serial communication in mode 1, two MCUs are equipped with keyboards and eight-segment ...[Details]
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In the past two years, global companies have experienced the baptism of the epidemic, and the way they view digital marketing has changed significantly from the past. Brand owners or consumers are ...[Details]
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China Telecom released its financial report for the first half of 2019, with a net profit of 13.909 billion yuan, a year-on-year increase of 2.5%. China Telecom expects capital expenditures of RMB 78...[Details]
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Normally, when you use a multimeter to measure the resistance of an incandescent bulb, you will find that the resistance is very small and does not conform to the resistance calculated by Ohm's law. ...[Details]
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The three-phase asynchronous motor is a common type of motor, widely used in industrial production and daily life. In practical applications, the starting method of the three-phase asynchronous mot...[Details]