From: https://blog.adafruit.com/2020/07/03/ci ... -released/This is the first Alpha release of CircuitPython 6.0.0. It is a renumbered version of 5.4.0 as the i2cslave module and class have been renam...
I found a problem when making BOM? The schematic has a component value of comment and a value. When I export BOM, all the components of comment are displayed. How can I replace the value? It takes tim...
First of all, I would like to thank eeworld and Anxinke for providing the ESP32-Audio-Kit development board. I have previously tested the WiFi module of ESP8266 . After updating the official firmware,...
Robust Control Theory : https://training.eeworld.com.cn/course/4833This series introduces nine topics, including norms of signals and systems, basic concepts, uncertainty and robustness, parameterizat...
With the powerful memory configured in the GD32307E-START development board, it can fully support the design of icon-based desktop application system.
Here we will introduce the display driver of GD32...
1. Design idea of 845 single-ended Class A tube amplifier
1. The pre-stage adopts 6H8C low-frequency voltage amplifier tube to realize the popular SRPP connection and cathode follower circuit. T...[Details]
Many novice drivers have a hard time understanding parallel parking, a skill that is essential for everyday driving. Parking space is limited in big cities, and maneuvering a car into a tight space...[Details]
Recently, the Chinese Academy of Sciences announced that Chinese scientists have developed a new type of vertical nano-ring gate transistor, which is considered to be the main technical candidate for...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
In the North American market, there are two directions that GM must consider: one is how to compete with medium and large SUVs and pickup trucks, and the other is how to electrify American muscle c...[Details]
Entering the 21st century, with the continuous advancement of semiconductor technology and packaging technology, semiconductor light sources that have long been used for indication and display are ...[Details]
The switching characteristics of transistors in digital circuits have two most common applications: one is control application, and the other is drive application. The so-called control is as shown i...[Details]
1. Introduction
In recent years, under the guidance of the national policy of "informatization drives industrialization" and "energy conservation, emission reduction and low-carbon economy...[Details]
With the continuous deepening of solenoid valve research, traditional detection methods can no longer meet the test of solenoid valve performance. To this end, Beijing Lingbang Instrument Technology C...[Details]
1. Light up working principle: As shown in the figure, the anode of the diode is connected to the resistor, and the cathode of the diode is connected to the pin of the microcontroller. D0 corresp...[Details]
Introduction: Dutch battery startup LionVolt has completed a €4 million seed round of financing. The company is developing a solid-state battery based on lithium metal for applications such as electr...[Details]
I saw the following in the 2440 bootloader:
%B0,%F1.
What are these two things?
It turns out that B stands for back and F stands for follow (personal understanding):
bne %B0, if not equ...[Details]
According to news on September 22, American electric car manufacturer Tesla plans to produce and sell Powerwall energy storage systems in the Indian market and has submitted a proposal for factory bu...[Details]
1. Measurement method Measuring DC resistance is an important item in transformer testing. Through measurement, it is possible to check whether the conductive circuit of the equipment has defects su...[Details]
Learning ARM assembly is very necessary. Learning ARM assembly is not to write programs in assembly in the future, but to understand and modify it. Because in the later projects related to the kern...[Details]
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