Resources and Links for Raspberry Pi 4 Model B

Resources and Links for Raspberry Pi 4 Model B

Download links for Raspberry Pi 4 resources from Baidu Cloud: Link: https://pan.baidu.com/s/1Y5UbgfmSMNUl3GyM07-Kxg Extraction code: 73dh CrowPi additional resources: Link: https://pan.baidu.com/s/1LdFzOaJ3K4HmehLw1Q7cqQ Extraction code: tvqm Swiss Army Knife Expansion Board http://shumeipai.nxez.com/swiss-army-knife-shield-for-raspberry-pi Multi-function Sensor Module http://ukonline2000.com/?p=1119 http://ukonline2000.com/?p=1134 https://os.mbed.com/users/jodoedjr/notebook/sparkfun-rgb-and-gesture-sensor–apds-9960/ https://www.helplib.com/GitHub/article_127768 Sense-HAT resources https://www.raspberrypi.org/documentation/hardware/sense-hat/README.md RS485 CAN HAT Resources https://www.waveshare.net/wiki/RS485_CAN_HAT HQ Camera Documentation Link: https://pan.baidu.com/s/1VNsWs9wgXSDvd6hLc29k2w Extraction code: k51m Raspberry Pi Camera … Read more

Raspberry Pi 3B+ Servo Motor Control Code

Raspberry Pi 3B+ Servo Motor Control Code

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

Understanding Byte Alignment in Linux

Understanding Byte Alignment in Linux

Recently encountered a problem where ThreadX running on ARM crashed while communicating with DSP using message queues (the final implementation principle is interrupt + shared memory). After investigation, it was found that the structure used for message passing did not consider the issue of byte alignment. Here’s a brief overview of byte alignment issues in … Read more

Installing Jessie Image on Raspberry Pi 3 for ROS Development

Installing Jessie Image on Raspberry Pi 3 for ROS Development

This tutorial explains how to install the Jessie image on the Raspberry Pi 3 B board, enabling ROS development on the Raspberry Pi. First, let’s get acquainted with the Raspberry Pi development board. The Raspberry Pi (Chinese name: “树莓派”, abbreviated as RPi or RasPi/RPi) is a credit card-sized computer designed for computer programming education for … Read more

Unveiling the Mysteries of Raspberry Pi 3

Unveiling the Mysteries of Raspberry Pi 3

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

Building the Perfect Dropbox: Part 1

Building the Perfect Dropbox: Part 1

Dropbox is a free web file synchronization tool, an online storage service operated by Dropbox Inc., which achieves file synchronization over the internet through cloud computing, allowing users to store and share files and folders. Dropbox offers both free and paid services, with paid services including Dropbox Pro and Dropbox for Business. There are client … Read more

A Comprehensive Guide to Java 8 Stream Features

A Comprehensive Guide to Java 8 Stream Features

Programmer’s Growth Path Internet/Programmer/Technology/Resource Sharing Follow Reading this article will take approximately 16 minutes. From: blog.csdn.net/mu_wind/article/details/91464351 1 Basic Features Java 8’s API introduced a new feature: Stream. A stream treats the elements of an array or collection as a flow, allowing data to be filtered, sorted, and manipulated as it flows through a pipeline. 1.1 … Read more