Hello everyone, I am the little fish writing this blog while listening to the Great Compassion Mantra. Recently, I moved, and my girlfriend asked me to clean up my electronic waste. I found an old Raspberry Pi in there. It’s not that old, just a Raspberry Pi 3B from two or three years ago, but … Read more
To set up the Qt compilation environment on Raspberry Pi, using Qt 4.8.0 and Qt Creator 2.4.1. 1. Installation of Qt 4.8.0. 1. Search for Qt download on Baidu. Find the link: http://download.qt.io/archive/qt/, go in and download the .tar.gz packages for Qt 4.8.0 and Qt Creator 2.4.1. 2. Use SSH to copy the files to … Read more
Reviewer: Circle (Base London) External Connection: Drift on a Donkey (Base Shanghai) Raspberry Pi Arrival Time: 11:00 UK time on June 24, only 3 hours after the release!! Unboxing Path: I am Circle, officially joining the Dalwen platform today to share knowledge about Raspberry Pi and other hardware teardown reviews from time to time. > … Read more
The control of the servo generally requires a 20ms timing pulse, where the high level part of this pulse is typically within the range of 0.5ms to 2.5ms for angle control. For a 180-degree servo, the corresponding control relationship is as follows:0.5ms————–0 degrees;1.0ms————45 degrees;1.5ms————90 degrees;2.0ms———–135 degrees;2.5ms———–180 degrees;Please see the illustrative description below: The operating voltage … Read more
Yesterday, the first photo of the Raspberry Pi 3 single-board computer was leaked, attracting widespread attention from domestic and foreign media. Although the leaked images are not very clear, we can still analyze and predict the various upgrade indicators of the Raspberry Pi 3 compared to the Raspberry Pi 2. Let’s unveil the mysteries of … Read more
In previous articles, we have introduced cloud printing based on OctoPrint, and at the end of the article, we included a timelapse video. At that time, I was still exploring, but now I have a deeper understanding and would like to carefully introduce the specific implementation methods of timelapse photography to everyone. (PS: The premise … Read more
With the rapid development of technologies such as the Internet of Things and artificial intelligence, embedded development has received increasing attention. The plethora of development boards available on the market can overwhelm many novice developers, making it difficult to choose the right board. This article provides a detailed comparative analysis of ESP32, STM32, Raspberry Pi, … Read more
【Click the above「Blue Text」 to follow DF Maker Community and become a tech enthusiast】 Since the launch of Raspberry Pi Pico and RP2040 microcontroller in January 2021, many have been using one Pico to debug programs running on another Pico. Inspired by this trend, yesterday, Raspberry Pi officially launched the Raspberry Pi Debug Probe—a hardware … Read more
Universal Ham Radio Remote HTML5 interface, check out this cool project! Universal_HamRadio_Remote_HTML5 is an implementation of a Python server and HTML5 functions for obtaining a web-accessible interface for use in RX and TX with TRX. You can use the basic functions of the radio and some advanced features. Communication is done using your computer’s speakers … Read more
3D printers and Raspberry Pi are good friends. Using Raspberry Pi to control a 3D printer is quite common as it brings many benefits (low power consumption, connectivity, remote access, etc.). I currently do not have a 3D printer, but I am interested in what applications can run on Raspberry Pi. Let’s discuss what I … Read more