RTC (Real_Time Clock) provides a time reference for the entire electronic system. MCU, MPU, and CPU are inseparable from RTC circuit design. When designing and applying RTC units, delays, timeouts, or...
Let me share an audio problem I encountered in a real project.In the design of embedded products, robots, etc., audio amplifier design is sometimes indispensable. We don’t have high requirements for a...
1. Environment Construction
The difficulty of deploying the ESP32 series development environment has always been criticized. The first thing to be criticized is the various deceptive tutorials on the ...
In the last issue, we tested the DHT11 temperature and humidity sensor on the expansion board. This time, we are using the P98132 chip above to drive the RGB light.Let's take a look at the schematic d...
The industry's smallest system size enables both wireless power supply and contactless communication in wearable devices
LAPIS TECHNOLOGY CO., LTD. (hereinafter referred to as "LAPIS TECHN...[Details]
This is a dual-color switching LED light solution, 12-50V step-down constant current, output: 6V 2.5A
This is a PWM working mode, high efficiency, simple periphery, built-in power tube, ...[Details]
The prescaler is an 8-bit counter with programmable frequency division multiples. Its structure is shown in the figure. The prescaler parameters have been described in the previous section and will n...[Details]
0 Introduction
The development of the information society depends to a large extent on the advancement of information and signal processing technology. The emergence of digital signal process...[Details]
Most PN junction diodes can be used as photodiodes. While not the best choice, they are usable. When the diode is reverse biased, it produces a small photovoltaic output as light levels increase....[Details]
Oscilloscopes are used in many fields to check the waveform of AC power, so can oscilloscopes check AC power? Here is my personal opinion: First of all, let's understand what AC power is. AC power i...[Details]
1. Use a pointer multimeter to identify the field effect tube (1) Use the resistance measurement method to identify the electrodes of the junction field effect tube. According to the phenomenon that ...[Details]
The automatic dimming desk lamp introduced in this article can automatically adjust the light output of the desk lamp according to the intensity of the surrounding illumination. When the ambient il...[Details]
Super PCB wiring design experience with schematic diagram (Part 2)
The number of digital designers and digital circuit board design experts in the engineering field is increasing, which reflects th...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages of these two working modes; then discusses the ideal vol...[Details]
The most practical way to detect whether the crystal oscillator is normal is to connect an oscilloscope to any pin of the crystal oscillator, and connect the ground pin of the oscilloscope to the gr...[Details]
At the age of 22, he started a company in his university dormitory and did research and development work for British government projects;
At the age of 24, he returned to China to start a bu...[Details]
Although engineers are familiar with the quality factors on MOSFET data sheets, in order to select the right MOSFET, engineers must use their expertise to carefully consider the different specifica...[Details]
STMicroelectronics has a wide range of advanced microcontrollers, RF components, power line modems and power discrete devices that can provide ideal solutions for reliability, functionality and safet...[Details]
On October 31, the 200,000-kilowatt "source-grid-load-storage" integrated application demonstration project of Xitai, Qinghai Shaanxi Coal New Energy Technology Co., Ltd., was connected to the ...[Details]
PCB Design
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