ESP32 has a Hall sensor inside that can sense changes in the strength of the external magnetic field. The Hall sensor is connected to channel 8 of ADC1 of ESP32. The Hall sensor value can be obtained ...
I am a newbie, and I want to make a phase-locked amplifier with a reference signal frequency of 5MHz~7MHz. I have checked some information but still have no idea. Can any expert give me some advice?...
What is01Transparent transmission
The module is open and transparent to the user . No matter what is transmitted, the device used only acts as a channel .
Transmit the content to be transmitted intact...
Currently there is a generator power supply with an output voltage of about 5v/20uA, which cannot directly drive the back-end circuit.
Now I want to connect a supercapacitor to it. During the charging...
After building the environment yesterday, I wanted to compile the device tree I needed, but the compiled stuff cannot be started yet. Here is my compilation process. I built a virtual machine of Ubunt...
As electronic systems become more and more complex, EMI problems are also increasing. In order to make their products meet relevant international standards, designers have to travel back and forth be...[Details]
Specific implementation functions: Simulate the working process of a fully automatic washing machine and replace the washing machine motor with an electric motor. It can display the working statu...[Details]
Developments in embedded memory technology have made large DRAM and SRAM common in today’s systems-on-chip (SoCs). The trade-off between large and small memory sizes has made memory of all sizes fe...[Details]
Samsung Electronics said on Wednesday it plans to recruit 1,000 experts in chip design and artificial intelligence by the end of this year, The Korea Herald reported. It is understood that Samsung ...[Details]
1. Understanding composite video signals
A composite video signal is one in which all the components needed to create a video signal are combined in the same signal. The three main components that ...[Details]
On January 21, the Shanghai Regulatory Bureau disclosed the basic information table of the coaching registration of Shanghai Yeying Microelectronics Technology Co., Ltd. (hereinafter referred to as Y...[Details]
Microcontroller encryption method: (1)
The protection of scientific research results is the most concerned thing for every researcher, and the purpose is to ensure that their hard work will n...[Details]
As the name implies, power amplifier is the abbreviation of power amplification. Compared with voltage or current amplification, power amplifier requires a certain power without distortion, and gen...[Details]
The STM8AF526x/8x/Ax and STM8AF6269/8x/Ax automotive 8-bit microcontrollers offer 32KB~128KB of non-volatile memory and integrated true data EEPROM. The STM8AF52 series has a CAN interface. All...[Details]
1 Introduction
Light is an important carrier for carrying and transmitting information. Photoelectric signals, as an important carrier of information, have the characteristics of large information ...[Details]
When analyzing the anti-noise performance of computing systems in communication systems, it is often assumed that the channel noise is additive Gaussian white noise (AGWN). This article analyzes th...[Details]
How to use a multimeter to accurately measure resistance, select the gear, put the two DC ammeters in direct contact, adjust the zero adjustment resistor so that the needle points to the 0 ohm scale....[Details]
a. Detecting small capacitors below 10pF The capacity of fixed capacitors below 10pF is too small. Using the multimeter E-TDA7386 to measure can only check whether it has leakage, internal sh...[Details]
Soft starter and auto-coupling step-down starting are two different motor starting methods. They have certain differences in starting principle, structure, performance, application, etc.
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