It's like this. I loaded a MenuBar in MainFrame. There are five menu items on it, but I will use two of them from time to time. I want to hide them when not in use. Under VC, you can use GetMenu()->De...
I feel that domestic manufacturers now have more focus on in-vehicle electronics, such as instruments, audio and video, navigation, etc., but relatively few on body electronics....
Power supply voltage reduction problem. Before, a small transformer was used, and then a bridge rectifier and a three-terminal voltage regulator were used. Now I hear "capacitor voltage reduction" aga...
RT, NRF24L01P, the current is still about 500uA after power-down mode, does anyone know why? In theory, the current in standby1 mode is only a few dozen uA. . ....
I want to organize some activities in the DIY special edition. Do you have any good suggestions? ([color=red]The forum can provide you with information, chips and simple development tools)[/color] You...
Please help me with some ideas. I have been frustrated for a long time. I use a WINCE module for GPRS network communication. First, I dialed with RAS, which seemed to be successful and assigned an IP....
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]
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]
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]
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
As
a
software
development platform in the field of professional measurement and control, LABVIEW contains rich data acquisition, data signal analysis and powerful DAQ a...[Details]
In recent years, fieldbus has always been a hot topic, whether in large-scale automation exhibitions or academic exchanges. The revolution brought by fieldbus to the field of industrial automation ...[Details]
The following text is only about the modulation algorithm of Bluetooth technology. I think it is enough to add the Bluetooth module to the microcontroller, and it is not necessary to implement the ...[Details]
Nokia's Lumia phones on sale will not be able to upgrade to WP8 system
Last week, Microsoft's (Weibo) Windows Phone 8 system was launched in a grand ceremony, attracting the attention of the...[Details]
In the application development of test systems, test data is usually organized and managed in the form of files. This data storage method has certain limitations, especially for remote test systems...[Details]
Characteristics of ultra-bright LEDs
The relationship curve between forward voltage drop (VF) and forward current (IF) shows that when the forward voltage exceeds a certain threshold (about 2V)...[Details]
Although OOK modulation has poor performance, its circuit is simple, easy to implement, and stable in operation. Therefore, it has been widely used. Such circuits are almost always used in car and ...[Details]
Working principle of micro-power disconnection anti-theft alarm: As shown in the attached figure. In the circuit, R1 provides bias voltage for the b pole of BG1. In the alert state, the bias voltag...[Details]
Embedded System
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