[i=s]This post was last edited by lb8820265 on 2017-6-10 22:35[/i] [align=left][font=微软雅黑][size=3] After discussion among group members, the platform finally decided to name it "EEDrone", which is the...
[color=#666666][font=Tahoma, Verdana, Arial,]As shown in the picture, my test equipment is added to the 220V power line. When there is no power on the cable line, the switch is closed and the test is ...
Thank you for your company and support to EEWORLD in 2013. I look forward to walking with you all the way in 2014. {:1_132:} I will say thank you at another time. Haha, I will wish you all a happy new...
In the interrupt program, a data readbuf[0] is collected from the peripherals in each sampling cycle. There are glitches in the data. The glitches can be considered as the absolute value of the differ...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:28 [/i]How to solve this problem? I have been struggling all night. Is this a tragedy? I cannot download the program I wrote and I cannot de...
For 80,000
ZTE
(000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]
In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]
China Energy Storage Network:
At the Boao Forum, Zhu Min, the current dean of the National Institute of Finance at Tsinghua University, said: "When talking about blockchain, we must first sep...[Details]
Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/ #include reg51.h #define uchar unsigned char #define uint unsigned int sbit Waveout=P1^0; //P...[Details]
As shown in the figure, the circuit is required to count and display the number of times the button is pressed. When the button is pressed once, the count value increases by 1 (it is required to accu...[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]
Use P1.0 to output 1KHz and 500Hz audio signals to drive the speaker as an alarm signal. It is required that the 1KHz signal sound for 100ms and the 500Hz signal sound for 200ms, alternating between...[Details]
The STC12C5412AD microcontroller is an enhanced 8051 standard 51 series microcontroller. It is 12 times faster than the ordinary 8051 and can be programmed on a home computer without an emulator. ...[Details]
**File name: ds18b20.c **Description: Use the single bus DS18B20 temperature measurement program and display it on the LCD, taking three effective decimal places. Two integer parts. A total of 5 di...[Details]
An example of Samsung S3C/S3P/S3F9XXX series MCU implementing table lookup operation ; to implement table lookup operation, you must first define the table address, there are two ways t...[Details]
Common glass tube thermometers rely on the rise and fall of mercury in the tube to determine the temperature. When the light is dim, the position of mercury cannot be seen clearly, which brings incon...[Details]
The interrupt method is used to realize full-duplex communication. This example uses two MEGA8515s, and the connection is: MISO----MISO MOSI----MOSI SCK ----SCK /SS ----/SS The function fill_tx...[Details]
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