PHC108-3E1205-H

Use P1.0 to output 1KHz and 500Hz audio signals to drive the speaker as an alarm signal. The 1KHz signal is required to sound for 100ms and the 500Hz signal for 200ms, alternating between them. Connec...[Details]

1. The importance of optical design LED is a point light source, which is different from the energy-saving lamps or incandescent lamps currently on the market. As the name suggests, ...[Details]

1. Why do we need balance? The higher the data rate, the worse the signal quality becomes, meaning there is more loss at higher frequencies. The more loss there is, the worse the eye diagram becomes....[Details]

The composition and structure of a mobile phone lithium battery Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, ...[Details]

• Assist the integrated development of local innovation chain and industrial chain • Better meet the needs of Chinese and even Asian customers September 15, 2023, ...[Details]

When a complete environment of an application system is destroyed due to a catastrophic event, such as a fire or earthquake, in order to quickly restore the data and environment of the application ...[Details]

USB has been around for more than a decade since it was introduced in 1996. The earliest USB 1.0 had a speed of only 1.5Mbps, and it was upgraded to USB 1.1 two years later, with a speed greatly incre...[Details]

On March 21, Linping District, Hangzhou City, Zhejiang Province held a concentrated start-up and "cloud signing" event for major projects in the first quarter of 2022, involving 47 projects with a to...[Details]

The microcoulomb titrator is based on the microcoulomb principle. Various forms of sulfur (chlorine) in the sample are converted into sulfur dioxide (all converted into HCl) in nitrogen and oxygen at...[Details]

I simply learned about the WIFI module and related AT commands, configured the WiFi module to work in single STA mode, saved the configuration in the flash, and then automatically sent commands to co...[Details]

/*Just started learning AVR microcontrollers, *Share what I have learned with everyone. If there are errors or better ways to write, welcome to communicate. *To facilitate learning for novices, I hav...[Details]

　　Abstract: Digital oscilloscopes can accurately capture various signals, so they have become one of the main devices for collecting, recording and analyzing various signals in scientific research ex...[Details]

The pwm.c source file code is as follows:   //TIM14 PWM initialization   //PWM output initialization //arr: automatic reload value psc: clock pre-division number void TIM14_PWM_Init(u32 arr,u32 psc) ...[Details]

.Add in the program: (the header file needs to add #include )  #ifdef __GNUC__  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)  #else  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)  #e...[Details]

　　1. Overall design and demonstration of the scheme 　　1.1 Selection of liquid level sensor 　　The self-made sensor is made by using the conductive properties of metal conductors and water. It can ...[Details]