Table of Contents Preface mqtt configuration Configuration of slq database Code writing for esp8266 Writing python code Various sensors cooperate with 2560 development board code Schematic diagram Foreword In this project, after communicating with the 2560 through various sensors, it is sent to the 8266 through the serial port to achieve ultra-long-distance transmission, because the […]
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ESP32 smart car+PS2 wireless remote control+Mecanum wheel+microPython
from machine import Pin,PWM from ps2 import PS2Controller import time import os # ############################################ # PS2 Remote Control # ############################################ ps2ctl = PS2Controller(di_pin_no=26, do_pin_no=27, cs_pin_no=14, clk_pin_no=12) ps2ctl.init() # ############################################ # Trolley wheel control # ############################################ pin1=PWM(Pin(19),freq=1000) #Left front red 1 pin2=PWM(Pin(18),freq=1000) pin3=PWM(Pin(5),freq=1000) #Left rear red 3 pin4=PWM(Pin(17),freq=1000) pin5=PWM(Pin(16),freq=1000) #right front black 5 pin6=PWM(Pin(4),freq=1000) pin7=PWM(Pin(0),freq=1000) #right […]
Level 6 K8s Overcoming Strategy (2) – Stateless Service Deployment
——> Course videos are shared simultaneously on Toutiao and Bilibili This lesson is very important. When you deal with K8S later, most of you will use deployment to publish business services. Let’s follow Brother Bo to learn about the monster deployment. K8s will manage the life cycle of Pods through various Controllers. In order to […]
Advanced concepts in Vue.js: An in-depth look at rendering functions and rendering contentless components
Article directory Preface Render Functions Example scenes to be used Renderless Components Example scenes to be used Summarize ?Creator: Full stack trendsetter Personal homepage: The personal homepage of the full-stack trend-setter ? Personal community, you are welcome to join: a personal community for full-stack trendsetters Column address: vue2 advanced Foreword Render Functions and Renderless Components […]
Deep Learning Practical Case 1: Lesson 1: Loading Data Sets
1: How to design Class to load images, convert data sets and output them into Totensor: take Pokemon dataset as an example Download: pokemon data Link: https://pan.baidu.com/s/1o1iblvQyfYw47bk4UPFpbA?pwd=8888 Extraction code: 8888 #Dataset: Pikachu: 234, Mewtwo: 239, Squirtle: 223, Charmander: 238, Bulbasaur: 234 import torch import os,glob import random,csv from torch.utils.data import Dataset ,DataLoader from PIL import […]
Stateful and stateless services in Kubernetes
Author:rab Directory Preface 1. Stateless service case 1.1 yml case 1.2 Expansion and reduction 1.2.1 Expansion 1.2.2 Shrinking 1.3 Pause and resume 1.3.1 Pause 1.3.2 Recovery 1.4 Rollback 2. Stateful service cases 2.1 yml case 2.2 Expansion and reduction 2.2.1 Capacity expansion 2.2.2 Shrinking Summarize Foreword In Kubernetes (k8s), stateful services and stateless services are […]
09 | Abnormal recovery, can the price paid be less?
As we discussed last time, Java’s exception handling is a factor that has an important impact on code performance. Therefore, the defects and abuse of Java error handling have become an old topic that has never diminished in popularity. However, Java’s exception handling has inherent advantages, especially its role in error troubleshooting, and it is […]
JavaScript shortcuts: 15 shorthand tips to make your code more effective with less effort!
Front-end development engineer (main job), technical blogger (side job), passed CET6 Ashan and her cat_CSDN personal homepage Senior topic writer at Niuke, creating a high-quality column “Essentials for Front-end Interviews” at Niuke The contracted author of Lanqiao Cloud Class, the front-end and back-end practical courses “Vue.js and Egg.js Develop Enterprise-level Health Management Projects” and “Take […]
ESP32+PS2 wireless controller adapter board+microPython
When I bought it, I came with a connector. The wire inside this connector is thick, and ordinary DuPont wire cannot be used. Be sure not to connect the positive and negative poles incorrectly. You can also input 3.3v voltage: from machine import Pin import time di = Pin(26,Pin.IN,Pin.PULL_UP) # dat/di Connect ESP32 to pin […]
Seamless integration: One-click deployment of front-end and back-end separation projects to quickly build powerful containerized applications
One-click deployment of front-end and back-end separation projects to quickly build powerful containerized applications Article directory One-click deployment of front-end and back-end separation projects to quickly build powerful containerized applications About the author 1. Search for nginx mirror 2. Pull the nginx image 3. Run the image 4. Create a new directory `nginx` under the […]