The following figure shows the DB9 pin type RS485 output signal and terminal pin assignment. This DB9 pin type is different from the standard RS232 or RS485 DB9 definition. The DB9 pin type descriptio...
DescriptionThis TI reference design provides a low-component-count, low-cost solution for a 4 to 20mA loop-powered resistance temperature detector (RTD) temperature transmitter. The design uses the on...
1. The power supply is 5V constant voltage, the maximum output current is 0.35A, and the resistance of the DC motor is 62.6 ohms. In the circuit below, if pin 1A inputs a low level, 1Y will output a h...
[i=s]This post was last edited by junnotech on 2019-2-14 11:04[/i] [align=left][size=4]OTDR (Optical Time Domain Reflectometry) and OFDR (Optical Frequency Domain Reflectometry) are two commonly used ...
Dear experts, I have a question, as follows:
module test(A,B,C)
endmodule
test t1(.A(AX),.B(BX),.C(CX))As shown above, the test module is instantiated, but I did not give values for A, B, and C, which...
Recently, Wu Jingtai, a full-score candidate from Hainan Province, received an admission letter from Tsinghua University. He is determined to devote himself to the country's key "bottleneck" areas and...
After finishing his business trip to Japan, Samsung Electronics Vice Chairman Lee Jae-yong returned to Korea and held an emergency meeting, saying that Samsung Electronics needs to be prepared for al...[Details]
As the main medium- and short-distance means of transportation in China, the number of electric two-wheelers in the Chinese market has exceeded 300 million by 2020. This is a very large market, and...[Details]
Apple iPad Air 4 was released in the early morning of September 16. One of its biggest highlights is the first 5nm processor A14. After the commercialization of the 5nm processor A14, Xiaomi...[Details]
Current designs place more stringent requirements on data rates and timing margins, which require oscilloscopes with outstanding signal acquisition performance and analysis capabilities. The Tektroni...[Details]
The previous article introduced the commonly used peripheral drive circuits of frequency converter inverters, mainly M57962 and EXB840. These two drive modules are widely used and have relatively e...[Details]
The device R25 resistance includes 1 k and 1.5 k low resistance and 5 k resistance, which is suitable for IGBT and power MOSFET modules in EV and HEV vehicles.
MALVERN, Pennsylvan...[Details]
IP is a network layer protocol, and its significance lies in determining the location of the device, i.e., the IP address. However, unlike ARP and TCP, it serves the transport layer, and usually TCP a...[Details]
S3C2440 has 5 16-bit timers. Timers 0, 1, 2 and 3 have PWM functions (so these 4 timers are also called PWM timers), all have an output pin, and timer 4 is an internal timer without an externa...[Details]
WABCO, a leading global supplier of technologies and services that improve the safety, efficiency and connectivity of commercial vehicles, is combining its expertise with that of Belgium’s Sioen Indu...[Details]
According to reports, the Municipal Education Bureau recently issued a document requiring all primary and secondary school and kindergarten canteens to install electronic eyes to monitor the entire p...[Details]
1) What is the essence of literal pool in ARM assembly?
Chinese description:
The essence of the literal pool is a memory block in the ARM assembly language code section t...[Details]
The electrification revolution is in full swing, bringing about earth-shaking changes in all areas of the automotive industry, including two-wheeled vehicles, as well as motorcycles, scooters and e...[Details]
1.DMA(Direct Memory Access) That is, direct memory access. The DMA transmission method does not require the CPU to directly control the transmission. It opens a direct data transmission path for RA...[Details]
1.
Switching
Power
Supply
Circuit
Composition
The main circuit of the switching power supply is composed of input electromagnetic interference filter (EMI), rectifier fil...[Details]
A new study of breast cancer patients may help doctors reduce common side effects of treatment options. The research, conducted by Eva Sevick, PhD, director of the Center for Molecular Imaging at The...[Details]