There are two key points in using HFSS software: applying excitation and setting boundaries, both of which are completed in one window. You must know the difference between the wave port, terminal por...
Why are the high-precision positioning systems of Beidou and GPS not open to ordinary users?
For a long time, most people have a misunderstanding about the Beidou/GPS satellite navigation and position...
[i=s] This post was last edited by Feng Qingqing on 2020-7-21 14:52[/i]I was looking at audio chip information these days and saw a SAM2695 with a development version circuit diagram. The circuit diag...
I have been watching the news these days and paying attention to the wild elephants in Yunnan. From Xishuangbanna to Kunming, why did a herd of 15 wild Asian elephants (6 of the 15 elephants are femal...
[i=s]This post was last edited by tianshuihu on 2020-1-9 23:49[/i]It was already in 2019, but I just sorted it out today...Last May, I noticed that the battery of my Bluetooth speaker was getting lowe...
Worried about the instability of the intelligent driving system, fear of battery self-ignition, switching music while driving but worrying about distraction causing an accident... As electrification ...[Details]
Overview of PIC Microcontroller PIC16F616 is a 14-pin, 8-bit CMOS microcontroller. It uses a reduced instruction set with only 35 instructions. Due to the use of the Harvard bus structure with sepa...[Details]
Fluke 1550C Digital Insulation Resistance Tester provides insulation testing up to 10 kV test voltage, making it ideal for testing a wide range of high voltage equipment including switchgear, motors,...[Details]
On-chip EEPROM read and write test.
1. Use internal EEPROM to record the number of CPU startups and display it on the PB port.
2. Internal 1 M crystal oscillator, program uses single task mode, so...[Details]
The servo drive drives the actuator motor under the control signal, so whether the drive can work properly directly affects the overall performance of the equipment. In the servo control system, th...[Details]
Honda Motor is considering building new electric vehicle and battery production facilities in Canada, Nikkei reported . The total investment in this project may reach 2 trillion yen (currently approx...[Details]
1. The instruction format of the left shift of register f with carry bit (C) is: RLF f. d Where d=1, result → f; d→0, result → w. The function is shown in the figure below. 2. Shift right the con...[Details]
All electronic products are shrinking like our world. As circuit functionality and integration increase, PCB board space becomes more valuable. The main board space is allocated to the core functio...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED requires a d...[Details]
On October 13, Garmin® International, a subsidiary of Garmin, announced the launch of a new series of portable in-vehicle GPS navigators: Garmin DriveSmart™ 66, 76 and 86, designed to increase the ...[Details]
The automobile manufacturing industry is an important part of the real economy and industrial system. In the process of building a modern powerful country, car-cloud collaboration has become a key ...[Details]
#include
sbit relay=P1^4; //P1^4 port is connected to relay J2 port through short cap wire
void Delay()
{
unsigned int i;
unsigned char j;
for(i=1000; i 0; i--)
fo...[Details]
1. Introduction With the expansion of urban water supply and urban pipe network, the original telemetry system of Xiamen Water Company is difficult to adapt to the production scheduling needs. ...[Details]
RF/Wirelessly
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