I don’t know what’s going on, but the sending keeps failing. Is there any nrf24l01 example for me to refer to, or someone can help me figure out where the problem is [code]u8 NRF_WriteReg(u8 reg,u8 va...
[i=s]This post was last edited by snoweaglemcu on 2015-12-23 23:28[/i] Although the graphical interface based on STemWin was finally made, it did take a lot of detours and encountered many unexpected ...
I called a board driver dll, and when I compiled it, I got a connection error 511P_demo_evcDlg.obj: error LNK2019: unresolved external symbol __imp__GetDll_LastErrNO referenced in function "protected:...
[color=rgb(46, 46, 46)][font=微软雅黑, 宋体][size=18.6667px]Contents1 Basic structure of power attenuator2 Related parameters of power attenuator3 Technical indicators of power attenuator4 Precautions for p...
I have been playing with Red Bull's STM32F103ZE these days, running UCGUI, using FSMC to flash TFT, and its controller is ILI9320.After some optimizations, such as drawing points, drawing horizontal a...
As the title says, I just got into this area due to work needs, I am a complete novice. Please give me some advice, preferably with detailed process, thank you in advance... I have another question, I...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]