[align=left][color=#000000][size=4] Using [font=Calibri]DATA0~DATA15[/font] of [font=Calibri]S3C2410[/font], expand [font=Calibri]2[/font] parallel interfaces, the schematic diagram is as follows. [/s...
I would like to ask you a few questions: 1: What is the rule for dividing tasks in your uCOS-II system? 2: If you use this system in your project, can you tell me your experience? 3: How can we maximi...
Today I copied a 2A switching power supply circuit that I have used for half a year and I feel it is of good quality. Please take a look at it to see if it is correct....
The kit comes with a USB emulator, but I have never dared to use it. I had some time this afternoon, so I tried it, but it was not obedient and kept sending waves. Because I couldn't respond when I si...
We all know that Skype is a free Internet phone, which is what we often call VoIP. However, since it is a phone call, it seems that using a regular headset and microphone is not the same thing, and th...
[i=s]This post was last edited by fish001 on 2018-11-8 23:35[/i] [size=4] During the oilfield logging process, ground operators need to know the depth of the oil well, the cable downhole speed and the...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
*This article is based on the author's report at the "Embedded System Association Theme Discussion (Total 22nd) - Current Situation and Development Prospects of Internet of Things Operating Systems...[Details]
In January, Android 7.0 Marshmallow surpassed Lollipop three years ago to become the second most used Android version in the world. According to
the latest data from
Google
, a snapshot of d...[Details]
ADC Introduction: ADC (Analog-to-Digital Converter). That is, converting analog signals into digital signals for processing. When storing or transmitting, analog-to-digital converters are almost ...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
;Question requirements: ;Stopwatch timing, press S0 to start timing, and the digital tube will display; ;Press S0 again to stop. If S0 is not pressed to stop after counting for 1 minute, the buzzer w...[Details]
Please help me analyze the clock cycles occupied by the following delay program. Seek to explain: DELAY: MOV R6, #13 DELAY1: MOV R5, #250 DELAY2: NOP DJNZ R5, DELAY2 DJNZ R6, DEL...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]