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...
First of all, the S3C2440 memory space does not include NAND FLASH, NAND FLASH is just a peripheral.
The addressing range of the S3C2440 memory controller is 0~0x3fff ffff, a total of 1G. This...[Details]
When writing STM32 program code, due to my carelessness, I sometimes find that the program runs into According to experience, there are two main reasons for HardFault_Handler interruption: 1: Memory ...[Details]
When using ADC chips, due to the diversity of ADC models, their performance has its own limitations. Therefore, in order to make the ADC adapt to the needs of the site and meet the requirements o...[Details]
Thread Group releases third version of its wireless networking protocol to support Matter standard and optimize seamless connectivity for smart homes and buildings
Thread 1.3.0 simpl...[Details]
At the 2021 spring new product launch conference, Apple made an extremely cool promotional video. Tim Cook transformed into "Night Walker" and "stole" the M1 chip onto the new version of iPad Pro. ...[Details]
According to statistics from the State Grid Hubei Electric Power Control Center, at 20:33 on March 31, Hubei's maximum electricity load was 23.06 million kilowatts, an increase of 0.75% year-on-yea...[Details]
In the 5G era, there are too many uncertainties to imagine. But one thing is clear: the battle for the "fifth screen" in daily life. As a generation that grew up in front of screens, the post-90s g...[Details]
This article describes a technique for compensating for DC voltage drift in the output of a direct-coupled Class AB audio power amplifier.
The main benefit of a direct coupled output is ...[Details]
On December 1, the People's Government of Jilin Province issued the "Implementation Plan for Taking the Lead in Layout of New Tracks in Hydrogen Energy Industry and New Energy Storage Industry".
...[Details]
Before the invention of dynamically adjustable high power linear regulators, LED electronics designers had two main options for configuring multiple LED strings: Use a switching regulator to reg...[Details]
Recently, Xinhai Technology stated in an investigation that in 2020, Xinhai seized opportunities in many important markets. In the field of smart health, the epidemic has given rise to the demand for...[Details]
Ultrasonic level sensor is a commonly used measuring instrument, which is widely used in many industries. Ultrasonic sensor is a sensor developed by using the characteristics of ultrasonic waves. It...[Details]
Translated from 5gradar Can the UK architecture meet 5G security requirements? Jimmy Jones, cybersecurity telecoms expert at Positive Technologies, explains all. 5G security will become incre...[Details]
Recently, TCL Group issued an announcement on the completion of the transaction price payment of the counterparty of the major asset sale and related-party transaction. TCL Group received the remaini...[Details]
The MC9RS08KB12/8/4/2 (RS08KB) is Freescale's ultra-low-cost entry-level 8-bit MCU that balances ease of use with design flexibility and performance. The RS08KB integrates a variety of peripherals ...[Details]
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