entity Mux_4 is port(input1,input2,input3,input4:in std_logic; mux_1,mux_2: in std_logic; mux_outut std_logic); end Mux_4; architecture Behavioral of Mux_4 is signal sel : std_logic_vector(1 downto 0)...
Thank you for your answers!I refer to the DS18B20 program of the expert, and it can be used, but there are a few sentences that I don't understand. Please guide me: (Excerpt from the program)const flo...
I just came into contact with this board. I have been learning it before. I made a photoelectric heart rate transmitter for mobile phones. Now I want to do visible light communication. I use RS encodi...
[i=s] This post was last edited by dontium on 2015-1-23 13:26[/i] -------------------------- ---- LED.pjt - Debug -------------------------------[Delay.c] \"c:\\ ti\\c5500\\cgtools\\bin\\cl55\" -g -q ...
Recruiting part-time lecturers or part-time technical support personnel for motor control, short-term training or technical support, weekends.Beijing, Shanghai, Guangzhou, Shenzhen, Chengdu, Wuhan, Xi...
Please tell me, when I read the .h file, I can't understand this sentence*(volatile u16 *)PMST = PMST_VAL;To be honest,I feel a headache when I see the symbol *, and I cry......
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
FPGA/CPLD
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