rda.Pull("WorkTime", "SELECT * FROM WorkTime", rdaOleDbConnectString, RdaTrackOption.TrackingOnWithIndexes, "ErrorTable"); This time it shows that worktime is tracked. But in rda.Push("Worktime", rdaO...
[color=rgb(51, 51, 51)][font=tahoma, arial, 宋体][size=12px][font=tahoma, arial, simsun][size=14px]Allwinner official board as shown in the picture has a box but no accessories, but I can give a USB TTL...
Please see the following general content. If you think you can do it, please call me at 18500841954 or add QQ742986432. I sincerely ask for help! ! Attached is a screenshot of the schematic diagram [i...
[size=5] [color=blue] [/color][/size][size=4][color=blue]I would like to ask you a few questions about debugging 2553UART. If you use the USB to serial port debugging directly, you should first connec...
According to iSuppli's forecast, the global power management chip sales will rise to 29.5 billion US dollars in 2008 , with a compound annual growth rate of 12.7% from 2003 to 2008. Among them, the sa...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[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]
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]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Embedded System
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