Thanks to the above, it works after adding the op amp. Now it is switched to voltage mode, but the light is not on again. I adjusted the LED current to a very low level, and the light is on. Later, I ...
Dear experts, please help me. When I use the SPI master-slave routine of MSP430F6638, the data UCA0TXBUF of the master is indeed increasing. When I debug the slave, I find that it does not enter the U...
How long does it take to perform a multiplication operation in EVC? I used a function to measure that it takes nearly 10 microseconds, which is too time-consuming. Does anyone have any solution to the...
We are all adults, we should have some ability to distinguish right from wrong!!!This morning, when I turned on my computer, a L-shaped full-screen advertisement popped up, saying something like "360'...
Dear XDJM:At present, the FPGA section adopts a porridge forum style. I personally feel that this style cannot quickly satisfy the forum friends who come to the FPGA section to obtain or exchange info...
1. Chip information
1) 26LS32: Receiver chip, receives the differential signals A/A-, B/B-, Z/Z- from the encoder output, converts them into single-ended signal output, and after pulse shaping by 74HC...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
MCU
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