In the Sampleapp example, why can only the coordinator join/disconnect the workgroup, but the terminal cannot? The gurop program is the same. Thank you!...
[i=s]This post was last edited by dontium on 2016-2-24 11:27[/i] Reposted from: [url=http://bbs.elecfans.com/jishu_460638_1_1.html]http://bbs.elecfans.com/jishu_460638_1_1.html[/url] There is a relati...
M4 is now in hot demand, and all companies are vigorously promoting it, but there are still many differences in product performance. Here I want to say that TI's M4 is positioned in the low-end market...
Hello everyone, I recently saw that the CAN bus and 485 bus both said that a 120 ohm resistor should be placed at the terminal. I saw that some boards have 120 ohm resistors on the 485 chip but some d...
A 5.5-digit digital multimeter costs less than 1,000 RMB. This post wants to discuss whether a cheap solution can be designed to implement a 5.5-digit meter. ICL7135 is a 4.5-digit AD converter, which...
There is a uc/os-II source code as follows, which uses the semaphore mechanism to make two tasks share a serial port com1 to print a string. [code] #include "config.h" #define Task0StkLengh 64 // Defi...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
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]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
RF/Wirelessly
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