Build Your Own Smart Robot with ESP32 and Servos! Introduction Dear friends, have you ever thought about how your room could be filled with mystery and surprises just like a castle in a fairy tale? Today, let’s continue to use the ESP32 to control a 9G servo to add a unique charm to your room! … Read more
Displaying CPU Temperature with a Two-Digit Display Overview A few days ago, we learned how to use a one-digit display to show single-digit countdowns. This time, we will learn how to use a two-digit display to show the CPU temperature. In this lesson, we will learn: The display principle of a two-digit display Persistence of … Read more
Recently, BearPi quietly launched a new Pico board based on the Raspberry Pi RP2040 chip: BearPi-Pico RP2040 Raspberry Pi? Yes, you read it right! Raspberry Pi is not only an excellent open-source hardware brand but also a remarkable chip company. The RP2040 chip is designed and developed by the Raspberry Pi Foundation, using a 40 … Read more
The graduation season is approaching, and this time I joined the army of graduates and rented a house outside. But for some reason, I worry every day at work whether my home will be burglarized? Is there any plug that hasn’t been pulled that might cause a fire? I heard this is a condition, but … Read more
Chapter 1: Basics of RPi.GPIO Module Importing the Module To import the RPi.GPIO module: import RPi.GPIO as GPIO By doing this, you can refer to it as GPIO for the rest of this script. You can check if the module was imported successfully by throwing an exception: try: import RPi.GPIO as GPIO except RuntimeError: print("Error … Read more
Click the blue text above to follow us The article “ESP32-C3 Driving E-Ink Screen and Displaying Images (Based on Micropython)” introduces the driving of a 2.9-inch E-Ink screen, achieving text display on the E-Ink screen. This note introduces the E-Ink screen clock we designed and produced. 1. Required Hardware 1) Holo’s ESP32-C3: 2) The 2.9-inch … Read more
Today, I would like to share an open-source, lightweight framework designed specifically for embedded systems. Open-source address: https://gitee.com/MacRsh/mr-library Introduction to mr-library MR framework is a lightweight framework designed specifically for embedded systems. It fully considers the resource and performance needs of embedded systems. By providing standardized device management interfaces, it greatly simplifies the difficulty of … Read more
Hello, welcome to Crossin’s Programming Classroom! For those engaged in scientific research, mathematical formulas are indispensable. However, displaying mathematical formulas in the program’s output can be quite challenging. This article will introduce how to use LaTeX formulas and symbols in Matplotlib, as well as how Python can generate LaTeX mathematical formulas. 1. Using LaTeX formulas … Read more
Code Repository 1. Gitee: https://gitee.com/yangkun_monster/clock.git 2. Github: https://github.com/pifan-open-source-community/clock.git Video Tutorial Address: Bilibili: Raspberry Pi Enthusiasts Base, Play Pi VLOG Video VLOG Record: Bilibili: Play Pi VLOG 1. Overview Create a desktop clock using Raspberry Pi PICO that can display the year, month, day, hour, minute, second, week, temperature, and humidity. The clock can be divided … Read more
Sharing Content This time we invited senior member Li Weibin (Riding a Donkey for Drifting) to introduce the hardware technology of Raspberry Pi and the software programming essentials based on Raspberry Pi. 19:30-20:30 Online Live Sharing 20:30-21:00 QQ Group Communication Our Open Night will still meet online at 19:30 this Thursday! Guest Speaker Drifting Bacteria … Read more