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 ...
[i=s]This post was last edited by uuxz99 on 2020-10-19 11:01[/i][ AT-START-F403A Evaluation] Part 5 - FreeRTOS system based on IAR environment security library (sLib) function evaluationThis time, the...
With the theme of "Internet of Things China, Smart Future", ELEXCON 2019 (the 28th Shenzhen International Electronics Fair) will be held in Shenzhen Convention and Exhibition Center from December 19 ...[Details]
introduction
Laser display is a display technology that uses red, green, and blue (RGB) three-primary color lasers as light sources. It can reproduce the rich and gorgeous colors of the objective w...[Details]
In practical applications, it is sometimes necessary to consider the drop of the power supply voltage VDD. The power supply drop
protection circuit is shown in Figure 1. In this circuit, when V...[Details]
Introduction: A fully automatic solar water heater controller is designed. The system uses low-power and high-performance RISC microcontroller AVR as the core of the control circuit to monitor water ...[Details]
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); // Some hardware will automatically divide the frequency by eight, which will cause errors in the subsequent calculations CLK_HSICmd(ENABLE); //...[Details]
Apple announced on Thursday that its chief design officer, Jony Ive, will leave the company, according to foreign media reports. After the news came out, Apple's stock price fell 1% in after-hours tr...[Details]
The simulation circuit diagram is as follows: code show as below: #include "reg51.h" #define uint unsigned int #define uchar unsigned char uint code segcode ={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D...[Details]
When I saw this Z 14-30mm F4 S lens, I didn't think it was an ultra-wide angle at all. The front lens group does not use the conventional large bulb design, but uses an aspherical lens. It also uses ...[Details]
Abstract : Modern electronic technology is developing at an increasingly rapid pace, and its basic core technology is embedded computer systems. As one of the embedded systems, single-chip microcompu...[Details]
Provides enhanced mobile application security testing capabilities for enterprises and thousands of agile secure code learning experiences for developers The global network security situation is...[Details]
1. What are the advantages of PIC series microcontrollers? Since I came into contact with PIC microcontrollers in 1995, I have been keen on the development and application of this type of microcont...[Details]
Jiwei.com reported on October 21 that with the increasing use of smartphones, smartphone charging has received increasing attention. China Telecom recently talked about the four major misunderstandin...[Details]
According to foreign media reports, Letstrack has released a new system that provides in-car AI voice functions. This system is similar to the voice assistant of a smartphone, and we can achieve it w...[Details]
V cone flowmeter seismic pressure gauge will inevitably have some faults due to the particularity of its working environment. This requires us to learn to analyze the causes of seismic pressure gauge ...[Details]
The "call" instruction in the ABB robot programming instructions is a very important instruction, which allows the programmer to call another program or subroutine in the program.
Overvi...[Details]
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