-
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
-
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
-
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
-
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
-
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
-
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
-
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
-
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[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]
-
1. Design topic:
Design a simple electronic keyboard that can produce seven notes: 1, 2, 3, 4, 5, 6, and 7.
Components used: AT89C51, LM324, speakers, buttons, etc.
2. Design Pur...[Details]
-
In the 1980s, DCS (digital distributed control system) began to enter the field of power plant automation control. Since its positive effects on production safety and economic benefits are unmatche...[Details]
-
1. Interrupt number
2. The use of interrupt and using in C51 interrupt
The basic structure of the 8051 series MCU includes: 32 I/O ports (4 groups of 8-bit ports); two 16-bit timer ...[Details]
-
With the development of modern science and technology, the demand for information is constantly increasing. Satellite navigation and positioning systems have received much attention, and their applica...[Details]
-
LIN Bus Overview
As an auxiliary to the widely used CAN communication network, the LIN bus is based on a master-slave structure and uses single-line communication, which reduces the weight a...[Details]
-
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]