[i=s]This post was last edited by Steve-George on 2022-10-21 16:42[/i]1. Product structure diagram2. Brief description of product principle
This system is mainly divided into four parts: cloud part, c...
Semiconductors are generally made of two materials, germanium and silicon. Since the temperature of the environment we live in is not absolute zero, there will be intrinsic excitation (electrons break...
Recently, a digital tube display module was purchased for the needs of the project. It can display 8 digits at the same time and works in a serial-to-parallel conversion mode. Compared with convention...
Since the clamp ammeter can measure the current in the circuit without cutting off the circuit, it is widely used. When using the clamp ammeter correctly, you should usually pay attention to the foll...[Details]
It was previously reported that Honor will release the Honor V40 Lite Edition this month, which will be positioned similarly to the "Youth Edition" in the current market. Recently, several d...[Details]
Last time, we introduced two future in-vehicle technologies in the preview of future in-vehicle technologies: six major technologies (Part 1). Next, let’s continue to talk about two other technologie...[Details]
According to the European Energy Exchange, Germany's electricity came from solar energy for the first time at noon on June 9. The huge photovoltaic power generation requires a large number of energ...[Details]
iPhone 12 Pro is Apple's high-end flagship launched this year, second only to Pro Max. On the morning of November 13, DXOMARK officially announced that it would release the DXOMARK score of the iPhon...[Details]
Timer/Counter Function
There are two programmable timer/counters T0 and T1 in the MCS-51 microcontroller. They are both 16-bit adder counters, consisting of four 8-bit counters TH0, TL0 and TH...[Details]
The latest news about Sony's WH-1000XM4 flagship Bluetooth noise-cancelling headphones has leaked online. The information comes from Twitter user justplayinghard, who dug out some information a...[Details]
Step 1: Hardware Preparation 1.ATMEGA8L-8PU avr microcontroller (Figure 1) figure 1 2. USBasp (a tool for burning bootloader) (Figure 2, top) 3. USB to TTL serial cable (I use the FT232 chip,...[Details]
1. Power factor control circuit and UC3854
⒈Definition of power factor
PFC is power factor correction. Power factor (PF) refers to the ratio of AC input active power (P) to in...[Details]
0 Introduction
With the rapid development of the national economy and the continuous improvement of people's living standards, on the one hand, the traditional manual meter reading and bil...[Details]
1. Overview
Ordinary 51 single-chip microcomputers can expand ROM and RAM with 64K bytes of space each. In actual applications, external ROM is rarely expanded, and RAM is generally expanded becaus...[Details]
In the previous article, we finished setting the corresponding mode in lowlevel_init and initialized the MMU at the end.
In this article, the process of enabling MMU is described.
...[Details]
Electrolytic capacitors leak over time. The circuit in Figure 1 can be used to test capacitors to determine if they are worth using. The CREF/RREF ratio sets the limit on leakage. The values sh...[Details]
Tracer technology is divided into artificial tracer and natural tracer, and has a long history of application in hydrogeological surveys and other exploration work. Especially in karst hydrogeological...[Details]
Power technology
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