Hardware support: 1. An Arduino Uno R32. An MF RC522 contactless RF receiver module + RF card3. A 5v electronic relaySoftware tools: IDE (arduino-1.0.5-r2)Hardware connection: RC522 working voltage 3....
I am porting UCOSII to my STC MCU and found an example:There is a section in the example:EXTRN IDATA (OSTCBCur)EXTRN IDATA (OSTCBHighRdy)EXTRN IDATA (OSRunning)EXTRN IDATA (OSPrioCur)EXTRN IDATA (OSPr...
Recently designed 2 boards
Selected a material LD1117AG-33-TN3-AR in LiChuang MallLiChuang Mall has design schematics and PCB for material referenceI downloaded the design to the circuit board, but th...
Test the low power mode of its ZIGBEE protocol stack. TI has indeed spent a lot of effort on this protocol stack and the operating system OSAL that supports it. It is very easy to use. After making a ...
OPENMV scriptwritingThe burning of OPENMV script is relatively simple, mainly relying on the previously installed OPENMV IDE. The specific steps are as follows:Open the openmv die, as shown below.Open...
For C5000, the on-chip BOOT program moves the contents of the data area to the RAM in the program area after power-on, so the FLASH must be placed in the data area after RESET. Since the space in the ...
A week ago, the Porsche Taycan was officially launched and became a hot topic. As the first pure electric sports car of the Porsche brand, the Taycan also has many innovative technologies. Its "flat ...[Details]
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Helps O-RAN radio unit and gNodeB manufacturers quickly design and produce equipment based on Qualcomm QRU100 5G RAN platform
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Comprehensive expansion of the QDART (Qualco...[Details]
I spent the whole night organizing all this information last night and posted it all out.
Since there is no bell for make-up classes, I made this thing in March and have been using it for a semester....[Details]
Editor's note: I have known John Dunn for many years. We have served on the IEEE Long Island NY Executive Committee together. He is an engineer and consultant with many years of experience. This arti...[Details]
LDO for switching power supply
At present, the typical packages of low dropout linear regulators (LDO) produced by most IC design manufacturers are SOT23-5 and SOT23-3, such as SGM2007 and SGM2013 ...[Details]
Against the backdrop of the Sino-US competition, global 5G is still advancing in full swing. Although affected by the epidemic, global smartphone shipments declined in 2020, but 5G mobile phone shipm...[Details]
The iPhone 12 series has been released. It includes four mobile phones including iPhone 12 mini, iPhone 12, iPhone 12 Pro, and iPhone 12 Pro Max. So which one should consumers buy? Regarding this i...[Details]
In the LED packaging process, the sulfurization phenomenon mainly occurs in the solid crystal and dispensing packaging process. The sulfurized materials are mainly silver-containing materials (si...[Details]
0 Introduction
Electronic toll collection (ETC) is a fully automatic electronic toll collection system used in many toll collection places such as highways, bridges and tunnels. It is an effect...[Details]
The more you understand how to implement your design, the timing requirements of your design, the resource distribution and structure of the target device, and the effect of EDA tools on executing co...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The typical circuit of the switching power supply made of UC3842 is shown in Figure 1. Overload and short circuit protection is generally achieved by connecting a resistor (R4) in series with the sou...[Details]
1 Introduction
LTE system supports two duplex modes, FDD and TDD. In these two duplex modes, most of the system designs, especially the high-level protocols, are consistent. On the other hand...[Details]
Whether Apple will use a high refresh screen on the iPhone 12 may be one of the key issues that many users are concerned about. If we look at it from a long-term perspective, this will definitely...[Details]
Recently, the Beijing Regulatory Bureau disclosed the basic information table of CITIC Securities Co., Ltd.'s guidance on the initial public offering of depositary receipts and listing of Megvii Tech...[Details]
RF/Wirelessly
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