pySerial, a Powerful Python Library – A Beginner’s Guide for Python Newbies In modern hardware development, serial communication is one of the common ways to connect different devices. Have you ever needed to communicate with external hardware (such as sensors, Arduino, Raspberry Pi, etc.) through your computer? If so, you will find that the pySerial … Read more
1. Hardware Preparation You’ll need an Arduino development board (such as Arduino Uno) and several LED lights. Connect the anode (long leg) of the LED lights through a current-limiting resistor (usually a few hundred ohms, such as 220Ω, to prevent excessive current from damaging the LEDs) to the digital pins of the Arduino board (for … Read more
Part of Electronic Book Screenshots 【Complete Set of Hardware Learning Materials Collection】
MAKER：Dave Akerman/ Translated by：趣无尽 Although the basic functions of micro:bit are relatively limited compared to development boards like Raspberry Pi, its processor has enough flash memory and RAM to implement a basic tracking device. Additionally, the micro:bit comes with an accelerometer and a compass chip, making tracking easier.Below, I will introduce the method and steps … Read more
01 Introduction The button, also known as a tactile switch, can create very interesting interactive projects when used with other sensors. In the image below, you can see a red button and a blue button; they only differ in color, but their usage is the same. 02 Principle When you press the button, you can … Read more
To do a good job, one must first sharpen one’s tools. —The Analects History of Computers Let’s take a look at the history of computers: In 1946, the U.S. military commissioned the first computer, which occupied an area of 170m2 and weighed over 30 tons. 1946-1957, First Generation, Vacuum Tube Computers. 1957-1964, Second Generation, Transistor … Read more
“Help! My computer is stuck, but NO! SAVE!“ “Congratulations, your boot speed beats 0.01% of computers nationwide!” How many times have you experienced such heart-wrenching moments that make you want to smash your computer? In daily life, we often encounter various issues of computer lag and crashes. Sometimes, you are only one Ctrl+S away from … Read more
This article mainly introduces some basic knowledge about embedded systems, hoping to be helpful to everyone. 1. Definition of Embedded Systems (1) Definition: An application-centered, computer technology-based, customizable hardware and software system that meets the strict requirements of application systems on functionality, reliability, cost, size, and power consumption. (2) The four stages of embedded system … Read more
Embedded AI is truly a hot direction nowadays, and I am gradually learning it myself. Without further ado, let’s get straight to the point and share an open-source project I encountered. Project Author: Search “Awesome Little Shrimp” on Bilibili This project is developed based on Espressif’s ESP-IDF. This project is an open-source initiative primarily for … Read more