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In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]

The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]

Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[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]

;Question: The 80C51 single-chip microcomputer has a fosc = 6MHz. It is required to use the T1 timer working mode 1 to perform a timing of 40ms. And P1.7 periodically outputs a rectangular wave with ...[Details]

It is required to use MCS-51 microcontroller to sort data. 1. Sort the 8 data in ascending order; 2. The data to be sorted is stored in the internal data memory address units 30H-37H, which are 34H, ...[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]

Introduction: Tektronix's precise testing ensures the commercial security of mobile phone 3D face recognition technology and illuminates future technology. The new flagship iPhone X, whi...[Details]

;*************************************************************************** ; Infrared remote control motor.dt ;***************************************************************************  PORT5 =...[Details]

EUV lithography technology will be introduced to 10nm and 7nm process nodes in the next few years. However, according to the analysis released at the ISS 2018 held in California, the ...[Details]

//mega8 7.3728M Hz  g CC compiled, _delay_us(us) _delay_ms(ms) call library function //initialize and set dq as output #define ds18b20_dq PC5 #define set_ds18b20_dq_ddr() DDRC|=1 ds18b20_dq #define s...[Details]

Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]

A battery-powered portable wireless device presents a number of key issues that system designers must overcome. One of the most important issues is how to get heat out of the device, since such dev...[Details]

The IO port is the most basic component for the processor system to communicate with the outside world. From basic keyboards and LEDs to complex peripheral chips, they are all read or controlled thro...[Details]

.text .global _start _start:     ldr sp,=4096 @Set the stack pointer. The following are all C functions. You need to set the stack before calling them.     bl disable_watch_dog @Turn off WATCHDOG, ot...[Details]