This case is a work for an electronic design competition. It mainly realizes non-feature speech recognition control, speaker playback, IoT monitoring and control, voice control and other functions. A ...
Although the mouse and keyboard presented today is plain in appearance, it is not to be underestimated. This mouse and keyboard divides the standard keyboard into two halves, and the right keyboard is...
Dear experts, teachers! This is my first time to make an inverter. I use sg3524 as pwm and irf3205 as switch tube to form a DC AC full bridge inverter. Do I need to add a driver to the output of sg352...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]