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Three steps to troubleshoot electrical problems
1. Observe and investigate the fault phenomenon:
Electrical fault phenomena are diverse. For example, the same type of fault may have diffe...[Details]
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The hardware watchdog uses a timer to monitor the operation of the main program. That is to say, during the operation of the main program, we need to reset the timer before the timer expires. If an i...[Details]
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The iQOO 9 series of mobile phones will be released on January 5, 2022. This product will be equipped with a Snapdragon 8 Gen 1 chip, equipped with enhanced LPDDR5 memory and overclocked UFS 3...[Details]
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When a relatively high voltage rail (12V) must be stepped down to a relatively low level (3.3V, 1.8V), the converter traditionally used is a DC/DC switching controller driving an external MOSFET. In ...[Details]
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IIC is also a serial communication method proposed by Philips and formed into a standard; IIC has the following features: 1. Two-wire system, serial data line SDA and serial clock line SCA; 2. There ...[Details]
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Home ultrasonic drug nebulizer
Studies have shown that if drugs are processed into nano- or micron-sized particles, the bioavailability of the drugs can be greatly improved and the therape...[Details]
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//Example 49: Use the interrupt of timer T0 to play the "Desire" theme song #include reg51.h //Header file containing 51 microcontroller register definitions sbit sound=P3^7; //Define the sound b...[Details]
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//Function: Use a four by four keyboard,
#include "config.h"
#define KEY_COL1 1 12
#define KEY_COL2 1 13
#define KEY_COL3 1 14
#define KEY_COL4 1 15
#define KEY_ROW1 1 8
#define KEY_ROW2 1 9...[Details]
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Ahead of WWDC, details of a suspected trademark application for Apple's operating system for AR/VR headsets have resurfaced online. Parker Ortolani pointed out on Twitter that while both separate t...[Details]
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On January 20, Goertek released its 2020 performance report. The company achieved revenue of 1.183 billion yuan, a year-on-year increase of 20.16%; the net profit attributable to shareholders of the ...[Details]
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Earlier this year, Nokia released the world's first truly global band 5G phone. Now it seems that the company is preparing to bring the device to the United States for the first time. The latest news...[Details]
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For the noise of switching power supply, besides the chip itself, the layout design is the most important. Here are some related tips. Many concepts about EMI are universal. Let's talk about some k...[Details]
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Because I needed guidance and planning for a leakage protection project, I searched the Internet for a while and found a wide variety of leakage protection coils. There were so many that I couldn't ke...[Details]
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LED display screen is a new type of display product that has developed rapidly in the world since the late 1980s. With its high reliability, high brightness, long service life, strong environmental...[Details]
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Allegro MicroSystems (Allegro), a global leader in sensing technology and power semiconductor solutions for motion control and energy-efficient systems, introduced new inductive position sensors an...[Details]
Industrial Control Electronics
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