I found a password lock program on the Internet to learn, and compiled it with KEIL. At first, it couldn't generate a HEX file, but later I found the reason. Some of the digits 0 were typed as letter ...
After Load Image in AXD, it cannot be loaded normally. The loaded program is as follows __main [0x00000000] andeq r0,r0,r0 00008004 [0x00000000] andeq r0,r0,r0 00008008 [0x00000000] andeq r0,r0,r0 000...
Recently, I need to develop a tool to erase hard disks. The function is to mount a whole hard disk on a machine, such as a machine with Windows system, and then use this tool to clear the data of the ...
I am new to development boards and don't know what is internal RAM and external RAM, as well as internal Flash and external Flash. Could you please explain? I am using a Philips board. Does the LPC221...
China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
Mobile phone battery charger program made by STC12C2052AD microcontroller #include stc12c2052ad.h #include intrins.h #define uchar unsigned char #define uint unsigned int sbit REF =P1^0; sbi...[Details]
In the first quarter of 2014, Inspur's
server
shipment market share reached 19%, ranking first in China and fifth in the global market. This is the first time a Chinese manufacturer has ach...[Details]
The chip is EM78P153 ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]
The industry generally believes that hybrid beamforming (Figure 1) will be the preferred architecture for 5G systems operating at microwave and millimeter wave frequencies. This architecture combin...[Details]
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