[i=s]This post was last edited by gmchen on 2021-11-18 16:26[/i]This year's college e-sports competition has ended. Below is an analysis of question E.
1. Mission
Design and manufacture a wireless tra...
AD9850DDS chip is used. The 12th pin of the chip is Rset. The manual says that it is connected to a 2K~3.9K resistor, and the output current of the DAC is 20MA~10MA. How to digitally control the outpu...
I. Resistors:1. Sampling resistors - constitute the sampling circuit of the output voltage and send the sampled voltage to the feedback circuit.2. Voltage-equalizing resistors - play the role of volta...
I want to control the light intensity of the LED connected to the P1.0 port through the button of P1.3. To achieve the function of step adjustment. I have just come into contact with 430 for a few day...
I am now starting to do a zigbee data acquisition experiment. Now I use the zigbee terminal to collect instrument data, but I can't read the instrument data according to the modbus rtu protocol. I don...
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]
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[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]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[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]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]