Description of the problem: In my program, I configured three mailboxes as receiving mailboxes, and configured the receiving interrupt as the ECAN0INT interrupt line. When a mailbox receives data, it ...
[font=微软雅黑][size=5]In the previous hex file, BlueNRG-1 starts timing when it is powered on. I forgot that the requirement of the challenge is to start timing when the voltage reaches 3V. [/size][/font...
Detect H2S, CO and gas (mainly CH4). MCU uses MSP430F425, ZigBee uses AT-MR500 module (MG2450 chip). ZigBee communication is realized, and the upper computer real-time gas concentration monitoring sof...
Interested brothers come to join the hardware/embedded development wireless QQ group and let's make progress together!!!!! Exchange development experience together!!! Group number 36507037...
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[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]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
T1 or T2 are two timers/counters of MCS-51 microcontroller. The first method can use two timers/counters to generate rectangular waves. In order to save interface resources, the second method is used...[Details]
1.GCC+PN(WinAVR-20071221) Introduction: WinAVR-20071221 comes with Programmer's Notepad, which is an easy-to-use and powerful code editor with basic functions such as project management, syntax colo...[Details]
The EM78 microcontroller does not have a multiplication instruction, so the multiplication operation needs to be converted into an addition operation. The 0X20 unit data is multiplied by the 0X21 u...[Details]