Everyone should be familiar with LED, and should have a deep impression of Samsung's new LED TV advertisement, which subverts traditional TV standards, innovates bright light and picture quality, has ...
The TI Academy for starting development of MSP430 is pretty good!! But it is recommended to hold more online academies for other topics such as CORTEX M4. It helps to start the project quickly!! Learn...
Can anyone answer this question accurately? Is there any experimental evidence? When a GPRS module is receiving data, if a new MMS notification arrives or there is a ringing notification, how will the...
I bought four card-type solar calculators on Taobao for 10 yuan, but one of them didn’t work, so I took it apart and shared it with you.frontReverse...
When designing a smart meter, water meter, or parking detector based on NB-IOT, one of the first issues that needs to be solved is the battery life. I hope that the battery will not need to be replace...
Teacher, this is my modification on the above program. Use dd[8][2] to store the upper and lower limits of the temperature in the array. dd[add][0] stores the upper limit, and dd[add][1] stores the lo...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[Details]
Use common anode digital tube and independent keyboard to connect P1 and P2 ports of single chip to realize answering machine The procedure is as follows: #include reg52.h void delay(unsigned char n)...[Details]
MCU Programming: Find the average value of 8 unsigned numbers. There are 8 unsigned numbers stored in 8 units of the internal RAM starting at 20H. It is required to save their average value in R2. ;-...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
In the 51 single-chip microcomputer's on-chip data memory units 20H and 21H, the data 9 and 2 are stored respectively. Write a program to calculate the difference and product between the two. The d...[Details]