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1. Push-pull output: can output high and low levels and connect digital devices; push-pull structure generally means that two transistors are controlled by two complementary signals, and one transisto...[Details]
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The driver of DS1302 is written separately from the application. Here is the code for the driver of DS1302: DS1302.H Code #ifndef _DS1302_H_ #define _DS1302_H_ #include #include "TYPEDEF.H" //...[Details]
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Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
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On August 19, Shanghai Xinyang released its semi-annual report, saying that in the first half of 2021, the company achieved operating income of 437 million yuan, a year-on-year increase of 45.78%; n...[Details]
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The Apple Developer Conference in June made the "digital key" popular again. In fact, using mobile phones as car keys is not a new technology, but it has not yet been widely popularized. When I ...[Details]
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On January 31, the People's Government of Deqing County issued the "Deqing County Carbon Peak Implementation Plan", which mentioned:
Key tasks
1. Implementing energy upgrade and effic...[Details]
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With the development of power electronics technology at home and abroad, a large number of power-consuming equipment with nonlinear characteristics composed of power electronic switches are wi...[Details]
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This Design Idea provides two simple, inexpensive drivers for headphones and audio lines, as shown. These drivers are designed for electric guitar and violin, but can be used in many other applicat...[Details]
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Acceleration
Sensor
It is an electronic device that can measure acceleration force. Acceleration force is the force acting on an object when it is accelerating, just like the earth's grav...[Details]
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The loop structure data channel is the only way for data inside the loop structure to exchange (input/output) data with data outside the structure. It is located on the loop structure frame and disp...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robot p...[Details]
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Current expansion circuit with protection
As shown in the figure, the protection resistor R3=Vpf/I in the circuit is calculated, where Vnv is the base-emitter voltage of transistor VT2. It can ...[Details]
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Like many teenagers, 14-year-old Belle had always dreamed of having a pet. When she was diagnosed with cancer, doctors ruled out having a pet, but she set her sights on something bigger - a pet drag...[Details]
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With the outbreak and escalation of the nuclear leakage incident in Japan, the decline of the nuclear power industry, which originally accounted for the largest share of new energy, has become a ge...[Details]
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A high-speed, high-gain, fully differential CMOS operational amplifier for high-speed ADC is designed. The main operational amplifier adopts a folded common-source common-gate structure with switched...[Details]
MicroPython Open Source section
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