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On the afternoon of March 28, while the "14th China Northern International Bicycle and Electric Vehicle Exhibition" was in full swing at the Tianjin Meijiang International Convention and Exhibition...[Details]
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Infrared remote control is the most widely used communication and remote control method. Since infrared remote control devices have the characteristics of small size, low power consumption, strong ...[Details]
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Based on the MSP430F149 microcontroller driving the DS2762 read and write operation C language program, it can respond to keystrokes or other signals, read current and voltage, and perform correspondi...[Details]
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The thyristor trigger circuit composed of a single junction transistor is shown in Figure 1, and the relevant voltage waveform of the trigger circuit is shown in Figure 2. Compared with the r...[Details]
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Summary: Using transistors as shown, you can double-click a current sense amplifier and stack two others to allow for voltage limiting of such an amplifier. The voltage signal from the bottom is ampli...[Details]
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Students who bought the 51hei development board can burn it into your microcontroller to try out the effect.
Note: Check the time before burning. The default time is 1:05.
#include reg52.h
#define ...[Details]
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Cx51 process control has three basic structures: sequence structure, selection structure and loop structure. 1. Sequential structure The sequential structure is the most basic and simple programmin...[Details]
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1. Design Purpose In daily life, we see electronic clocks made of digital tubes, but LED dot matrix clocks are rare. Although dot matrix clocks have their own shortcomings, such as insufficient hardw...[Details]
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In the HUB-RPA project, the F340 GPIO output is only 3.3V. Using it to control the on and off of USB 5V with only one PMOS has problems. After the circuit is modified as follows, the on and off of ...[Details]
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A waveform recorder can collect signals for a long time and save the data to the hard disk of the device. The length of the collection time depends on the sampling rate and the hard disk capacity. Ho...[Details]
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Recently, I am considering using the STM32F030/042 series to make some low-power products, such as the 433/315 copy-type remote control paired with the car navigation, which requires serial commun...[Details]
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#include STC89C5xRC.h void delay() { int i,j; for(i=0;i 200;i++) for(j=0;j =200;j++) { ; } } int main() { while(1) { P2 = 0xff;...[Details]
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Due to the influence of power electronic device technology, the static frequency conversion technology in China before the 1980s has been in a state of stagnation. The medium-frequency power supply f...[Details]
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At this year's I/O developer conference, Google showed off a new "Now in Android" app for developers, which is designed to help developers understand all areas of Android development and showc...[Details]
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Image sensor is a basic device for acquiring modern visual information. It converts the spatially distributed light intensity information incident on the photosensitive surface into a video signal ...[Details]
Renesas Electronics MCUs
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