Yongchang He articles - 40 total
Multiple developers work simultaneously using their own branch on git
1. Create a new branch: git checkout -b yong-active-members-dev Enter fullscreen...
Parse RTCM 3.x correction data from serial input
This article illustrates how to parse the RTCM 3.x correction data from serial port input of your GPS...
Wi-Fi communication using two u-blox C099-F9P application board
The C099-F9P RTK Base can be set to operate as a Wi-Fi access point and UDP server to deliver RTCM...
Interact with ADT using Postman
ADT: Azure Digital Twins Postman is a REST testing tool that provides key HTTP request...
Work With Azure Digital Twin - code a client app
In this article, I will use DT for Digital Twin. Prerequisites knowledge about Azure...
Deploy React app with JSON server on Heroku
Prerequisites Assuming you have already done the following: Created a react application...
Hyperledger Fabric architecture
The purpose of building this blog is to write down the detailed operation history and my memo for...
Hyperledger Fabric and MSP
The purpose of building this blog is to write down the detailed operation history and my memo for...
Deploy your React App on Github in 5 minutes
1. At your app root directory, run the command: npm install gh-pages Enter fullscreen...
Q&A with Self-built Blockchain and Dapps (2)
The purpose of building this blog is to write down my memo for learning the dApps. Q1:...
Tutorial - Using create2 to predict the contract address before deploying
This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have...
Tutorial - play with an auction demo based on ERC721
This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have...
tutorial - Delete a contract using selfdestruct()
This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have...
Tutorial - Create a contract from another contract with solidity
This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have...
Build a simple dApp using truffle, ganache, Ethers.js and React(1)
This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have...
Build a blog with a JSON server
A quick development demo using JSON server This tutorial is meant for those with some...
Set up a wired serial communication between Arduino boards
This blog explains how to set up wired serial communication between two Arduino...
Set up a home server and access it from everywhere
OS used as a server: Ubuntu 20.04 Tools will be...
Set up a private network with multiple PCs using Go Ethereum (Geth)
This blog explains how to set up a private blockchain network with multiple nodes running on...
Q&A with Self-built Blockchain and Dapps (1)
The purpose of building this blog is to write down my memo for learning the dApps. Q1: Is...
Tutorial: Play with Truffle & Ganache
Take you through the basics of creating a local blockchain, deploying a smart contract and...
Tutorial: Play with Geth (Go Ethereum)
Interact with a command-line tool for running a private Ethereum blockchain network...
RBAC, ABAC and CapBAC in IoT
Introduction Identity access and management (IAM) is an integral part of a security...
The basics of IoT devices Management
Managing the Internet of Things in some ways is like managing an ant colony. Like ants, each device...
Tutorial: Play with a Speech-to-Text API using Node.js
Play with an API from Deepgram converting an audio file or audio stream into written...
Merkle Tree in BlockChain
Basic knowledge of BlockChain The purpose of building this blog is to write down the...
Hi, Java developers: It's time to try Web3j for Ethereum
A highly modular and type-safe Java library for Ethereum BlockChain development Hi...
IoT - knowledge about MQTT
The lightweight messaging protocol for IoT Previously We have already understand basic...
Tutorial: Ethereum BlockChain Development (5)
Part 5: Using ERC20 standard to create a token The purpose of building this blog is to...
IoT - knowledge for beginners
What is IoT? The Internet of Things (IoT) describes the network of physical...