From: https://zardam.github.io/post/raspberrypi-numworks/I've had a Raspberry Pi Zero sitting on my desk for a long time and was looking for something to do with it. I also wanted to learn about the S...
An image plane is a layer of copper conductors (or other conductors) that is located inside a printed circuit board (PCB). It may be a voltage plane, or a 0V reference plane adjacent to a circuit or s...
1. Why process signals digitally? (1) Analog circuits are made up of analog components: resistors, capacitors, and inductors. These components will dynamically affect the effect of analog circuits as ...
1. Judging whether it is good or bad: Basic idea: For NPN type, there are ① whether the P in the middle to the N on both sides (P→N) are all forward biased; ② whether the N on both sides to the P in t...
[i=s]This post was last edited by jszszzy on 2022-3-18 00:42[/i]Lichee RV 86 PANEL Review (3)——WSL single system solution environment construction
The exclusive first release on the entire network to ...
With the advent of the information age, power management technology is becoming increasingly important in the 21st century. Whether it is the most advanced personal computers, portable wireless commun...
The so-called calibration is to find a formula to convert the voltage value into the coordinate value. Our touch screen is covered on the LCD. When we get the voltage value of the output point, we ca...[Details]
The control of three-phase permanent magnet brushless DC (hereinafter referred to as "BLDC") motors requires an electronic commutation circuit, while traditional brushed DC motors use mechanical se...[Details]
In my opinion, when studying a single-chip microcomputer, there are two modes: novice and veteran. Newcomers are eager to use it first. You have to tell them how to write a program that can run as qu...[Details]
"In the future, you can preset many scenes such as the air conditioner and water heater at home in the car. Such interconnected scenes are not realized by asking people to buy some new products, ...[Details]
White LEDs can be connected in series or in parallel, and both solutions have their own advantages and disadvantages. The disadvantage of the parallel connection is that the LED current and brightn...[Details]
0 Introduction
With the continuous development of science and technology, mankind has entered the information society. The popularization of computer network technology has made office bui...[Details]
Because I want to make two 51 microcontrollers communicate, but I can't use the serial port, because the STC89C52 microcontroller has only one serial port, which is occupied and there is no serial po...[Details]
On January 2, according to foreign media reports, unlike 2019, Xiaomi 10 and Xiaomi 10 Pro will be released on the same stage. In 2019, Xiaomi launched the Xiaomi 9 and Xiaomi 9 Pro 5G, amon...[Details]
Now, even endpoints like sensors are capable of running basic AI workloads, thanks to microcontroller-class chips and built-in AI accelerators or instructions. Maxim has now launched a microcontrol...[Details]
51/AVR Minimum System Instructions
1. Product features and main functions:
1. Support STC51 series, AT51 series and ATMEGA16, 32 MCU (DIP40), or support other MCU models through other ada...[Details]
Brief Introduction of YTZ Type Resistance Remote Pressure Gauge
The V-cone flowmeter resistance remote pressure gauge transmits the measured value in the form of electrical quantity to a second...[Details]
Share the wiring method of the cable identification instrument: direct connection method (identification of non-powered cables) ⑴. Short-circuit any good phase of the identified cable terminal ...[Details]
Shanghai Chengwei is suitable for testing the water barrier properties of Band-Aids, bandages, medical tapes and other materials of any shape, form or specification that directly contact the wound su...[Details]
Low-voltage electrical appliances with overload protection function are very important components in the power system. They can effectively protect electrical equipment and lines from damage caused...[Details]