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Batteries are widely used in various automation equipment as energy transfer devices or backup power sources. Using ordinary chargers to charge batteries is prone to overcharging or undercharging. ...[Details]
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During each power-on process of the microcontroller and its application circuit, since there are usually some filter capacitors of varying capacities in the power supply circuit, the power supply vol...[Details]
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March 31 news, today, Huawei’s official website released the "Announcement on the Duty of the Company’s Rotating Chairman". The announcement shows that according to the company's rotating cha...[Details]
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void main() //The main program is basically written in the same way for different microcontrollers { } interrupt() //The interrupt program is written differently for different microcontrollers { } ...[Details]
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On January 14, the National Energy Administration issued the "Guidelines for Project Establishment of the 2022 Energy Industry Standards Plan", which mentioned that it will closely focus on impleme...[Details]
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#include"sys.h" #include"EXTI.h" #include"led.h" int main(void) { NVIC_Configuration(); Led_Init(); EXTI_KEY_Init(); while(1) { LED=1; } } void EXTI15_10_IRQHandler(void) { if...[Details]
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Appendix 2 AT89C51 special function register list (applicable to chips with the same architecture)
Special function registers marked with * are bit-addressable registers.
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Brief description of temperature measurement: The core function of DS18B20 is its direct digital temperature sensor. The accuracy of the temperature sensor is user-programmable 9, 10, 11 or 12 bits, ...[Details]
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Buck-boost circuit The working principle process is as follows: (1) When the controllable switch V is in the on state, the power source E supplies power to the inductor L through the controll...[Details]
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As the automotive market develops at an unprecedented speed, OTA firmware upgrade is an important function for regional and field-based applications. New features and upgrades need to be launc...[Details]
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Timer A (TIMER_A) has 4 working modes: stop, rise, continuous, rise and fall. The rise and rise and fall modes need to be used together with the compare/capture channel 0 (CCR0). We can flexibly choos...[Details]
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At present, the research and development of high-performance AC speed regulation systems has attracted great attention from scholars from all over the world and has been studied more and more deeply....[Details]
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1. Design requirements The system is required to enter and exit sleep mode as follows: 2 seconds after the system starts, configure the RTC to generate an alarm event after 3 seconds, and the...[Details]
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A study published in "Nature Communications" on the 27th reported a faster and less labor-intensive technology that can "tailor-make" more realistic prosthetic eyes for people through modeling and th...[Details]
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In the design of electronic systems, in order to avoid detours and save time, the requirements for anti-interference should be fully considered and met, and anti-interference remedial measures should...[Details]
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