I use GPIO to simulate IIC driver. After two days of work, I still can't succeed. I suspect that the delay is not accurate. I want to ask how 2440 determines the time to execute a C language instructi...
The 51 MCU is a basic entry-level MCU and the most widely used one. It should be noted that the 51 series MCU generally does not have self-programming capabilities.
The US22310B ultrasonic measurement...
[i=s] This post was last edited by huihuihaha on 2017-6-2 20:58 [/i] 1. This is an ordinary bulb, replacing the previous incandescent lamp and energy-saving lamp2. Unscrew the lampshade with force, in...
I'm selling an original LM3S8962. If you have an STM32 or FPGA, you can also replace it. The board has found a buyer.[[i] This post was last edited by ADO1234 on 2011-10-19 08:26 [/i]]...
DCOCTL=DCO0+DCO1+DCO2; BCSCTL1=RSEL0+RSEL1+RSEL2; do{ IFG1 &= ~OFIFG; for(i=0xFF;i>0;i--); }while((IFG1&OFIFG)!=0); The calculation shows that it is less than 5M. How can I configure it to 8M?...
I have built a static library under EVC. The library functions are C source code. When building, the following warning appears: c:\documents and settings\xushaomin\Desktop\cheng\test\jpeglib\jmemmgr.c...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
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]
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]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[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]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]