Recently, in the exploration of ultra-wideband (UWB) technology (part 1), UWB was compared with other standards. Let's take a look.There are many factors to consider when designing an indoor positioni...
1. After setting up the development correctly, you can test whether the code can run correctly. A more convenient way is to download the EFR Connect Android app.
After startup, enter the demo page, wi...
[color=#ff0000]A: How can I encapsulate a GPIO into a node of /sys/device/platform/rst. [/color] [color=#000000]B: Does it have to be in this directory /sys/device/platform/? Is there a way to only pu...
The hardware serial port has a FIFO function, so the received data will be put into the buffer. Since the GPIO simulation has no buffer, I "copied" a FIFO work myself.
fifi.c
/**************FIFO Begin...
Please help me, big guys. I beg you.
1. Based on the principle of the narrow pulse frequency discrimination circuit, design a practical frequency discrimination circuit, in which the monostable trigge...
Clock waveform output test
Like STM32 , the PA.8 pin of STM32 has the MCO function , which has a multiplexing function - clock output (MCO) , which can output the internal clock of STM32 through PA.8 ...
1. Principle Introduction The control circuit of the digital tube is introduced in detail in "51 Single-Chip Microcomputer (VIII)", and the hardware circuit is shown in the figure below. In this ex...[Details]
Preface A stepper motor is a brushless motor that converts electrical impulses into mechanical rotation. As the name suggests, it rotates gradually according to the input pulse and is the main execut...[Details]
We use AD574 and ATMEL's low-priced and high-performance microcontroller AT89C2051 to form a high-precision digital voltmeter. The electrical schematic diagram is shown in Figure 1. AD574 is a 12-bit...[Details]
At present, countries such as Australia and Japan have explicitly banned Huawei, but countries such as Germany and the United Kingdom have not. The attitudes of some regions and countries towards Hua...[Details]
On May 18, realme’s official Weibo account announced the configuration specifications of the new realme X50 Pro Player Edition. It is reported that the realme X50 Pro Player Edition will be ...[Details]
This article analyzes the necessity and advantages of using HIL testing technology to perform functional testing on ECUs. Through application examples, two types of HIL-based ECU tests are introduced,...[Details]
Compared with passenger cars, commercial vehicles such as buses and trucks are more likely to cause traffic accidents due to their large size, many blind spots, large passenger or cargo capacity, and...[Details]
PIC16F877 Overview
PIC16F877 is an 8-bit MCU developed by Microchip. It belongs to the PICmicro series of single-chip microcomputers and has a Flash program memory function. It can repeatedly b...[Details]
design background: DDS (Direct Digital Synthesizer) is a new type of frequency synthesis technology with the advantages of low cost, low power consumption, high resolution, relatively large band...[Details]
In accordance with the requirements of the Ministry of Housing and Urban-Rural Development's "Notice on Issuing the 2016 Engineering Construction Standards and Specifications Formulation and Revisi...[Details]
With the continuous development of single-chip microcomputers, the application of PS/2 keyboards in single-chip microcomputer systems is becoming more and more extensive. In fact, there are only 4 ...[Details]
Since American users are accustomed to using contract phones, but American operators have not introduced Huawei's contract phones, it can be said that Huawei has encountered many obstacles when it wa...[Details]
After browsing the IPO filings submitted by ride-hailing giant Uber, it is easy to see that the company aims to become the "Amazon of transportation," with the word "platform" appearing 738 times in ...[Details]
Reconfigurable technology refers to a design method that uses reusable software and hardware resources to flexibly change its own architecture according to different application requirements. Conventi...[Details]
The PT100 temperature sensor is a temperature measurement element widely used in the fields of industrial automation and process control. It has the advantages of high accuracy, good stability, and...[Details]
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