Burn the project in the nRF5_SDK_15.2.0_9412b96\examplesfcecord_text folder to 52840 and read it through NXP's pn532:The data of the NFC block is shown in the red line: Hello World![code]static ret_co...
I usually use the soldering station below to solder things. Sometimes, if I need to work outside, it is not convenient to carry such a large thing, so I will bring a 220V soldering iron. Some of the s...
I have done an experiment on Zigbee communication, which requires communication between the Bluetooth module and the mobile phone Bluetooth module to receive RSSI. For a long time, the problem of garb...
RTRT
Does the clearance below the crystal oscillator refer to the layer where the chip is located or all layers?
Now I find that some designs only have clearance below the layer where the crystal osci...
I would like to ask friends who are participating in the competition and use K210, whether they have encountered the following problems:
Problem 1: When K210 loads the SD card, it is unstable. Sometim...
Deep inside the inner ear of mammals is a natural battery: a small chamber filled with ions that generates voltage to drive neural signals. According to a recent report by the Physicists' Organiz...[Details]
At the just-held Shanghai Auto Show, intelligence has become the focus of attention. Whether they are joint venture brands, independent brands, or new domestic forces, they are using this window to...[Details]
After achieving record-breaking results for fifteen consecutive years, the 16th Automechanika Shanghai will be held again at the National Exhibition and Convention Center (Shanghai) from December 2 t...[Details]
1 Development of anti-interference measures for the microcontroller itself
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In order to improve the reliability of th...[Details]
The 8-bit 51 single-chip microcomputer has long occupied the mainstream market of microcontrollers (MCU), but with the development of technology and demand, the application growth rate of 32-bit micr...[Details]
Yesterday's article "Why Volkswagen ID.4's sales volume is not rising?" sparked some discussion. I think whether a car sells well or not depends on its positioning. The key is whether the ID.4 series...[Details]
The lively intelligent driving chip track has once again welcomed a new player.
On October 17, Huixi Intelligent officially released its first high-performance intelligent driving chip, ...[Details]
After disabling all interrupts, we need to disable MMU and CACHE. Because at this time, the environment is still being initialized, and these two things are not needed. So we need to disable them all...[Details]
Just yesterday, the Pixel 5 specs leaked in all their glory, ahead of Google’s September 30th event. Prior to that, we reported on the internals of the Pixel 4a 5G, but since that information wasn’t ...[Details]
Synchronous control technology - stack and queue
(Many of the pictures are not immediately visible. To view them, right-click the picture, select Copy Picture Address, and then open it in t...[Details]
Recently, "Cook said that iPhone will be produced with recyclable materials" has topped the hot search list. According to media reports, at the VivaTech 2021 Summit, Apple CEO Tim Cook said that the ...[Details]
51 single-chip microcomputer is a general term for all single-chip microcomputers compatible with Intel 8031 instruction system. The ancestor of this series of single-chip microcomputers is Intel's...[Details]
The information here applies to: C51 all versions Symptoms I added an interrupt handler (ISR) to my project, but I got the following warning: ***WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?...[Details]
The circuit in Figure 1 can create 32° hues of light using red and green LEDs. A constant current is divided into two parts. One part flows through a red LED and the other part flows through a gree...[Details]
Figure 2 Boost DC/DC Converter
When operating in external synchronization mode, the operating frequency is set by the clock, and the conversion cycle starts at the rising edge of the input clo...[Details]
RF/Wirelessly
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