The MSP430's built-in lithium polymer battery has many applications, and using USB to charge mobile devices has become a mainstream trend in current charging methods.The following technical document i...
After lithium battery, there is no revolutionary battery technology. This is very sad. There are many mobile phone applications, but they lack better power support. This is very sad. Whether it is mob...
I originally used VC to make a socket communication server and client test program under wince, and I used the server of that test program as the test service program (on my laptop, of course it was n...
I am now developing a small product that requires a dot matrix LCD display block. Since the product is relatively small and the cost is low, the only way is to use customized LCD glass. The basic para...
Gigabit Media Independent Interface is an Ethernet interface, referred to as GMII. The simplified Gigabit Media Independent Interface is called RGMII. The purpose of using RGMII is to reduce circuit c...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
In recent years, the rapid development of high-performance digital signal processing chip DSP (Digital Signal Process) technology has made it possible to realize real-time speech recognition. Amo...[Details]
The USB interface design of the digital synthesis sweeper is divided into two parts: hardware and software. The hardware includes the main body of the sweeper and the USB interface. The design uses Ph...[Details]
At present, there are many existing automotive bus standards, among which the CAN bus and J1850 are widely used. These buses all use special data harnesses, and the requirements of the ECU units of...[Details]
Timed AC power circuit with power supply of 0-1 hours
The AC power supply 555 with a power supply of 0~1 hour constitutes a timer within 1 hour. J is the coil impedance 212Ω IRC MR312...[Details]
In production enterprises, fans and pumps are widely used. Their
electricity
consumption and throttling losses of valves, baffles and related equipment, as well as maintenance and repair...[Details]
There are multiple groups of fuses related to device configuration and operating environment inside the AVR microcontroller. These fuses are very important. Users can set and configure the fuses t...[Details]
1. Introduction
Since Fanger proposed the thermal comfort evaluation index, PMV index, based on the human thermal comfort equation and ASHRAE seven-point scale in the 1970s, the research o...[Details]
Traditional single-chip microcomputer system development is always inseparable from simulators and programmers. With the rapid development of electronic and computer technology, single-chip microco...[Details]
Most technologies harness the sun's energy by collecting the sunlight itself and then converting it into electricity, using photovoltaic materials. Other methods harness the sun's thermal energy, u...[Details]
Microcontroller MCU
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