写了几首曲子，都是使用C大调和弦。借用Dopamine Set里的风格，用KORG PA600来演示。
Store messages from Mosquitto MQTT broker into SQL Database
I need a server which is able to setup the Mosquitto MQTT Broker, this server have to be handle MQTT connections with clients and capable to save MQTT data (payload) into database.
The server also act as a File Server and Web Server where I can upload photos via HTTP Post.
After reading some posts and research, it looks like the Synology NAS having all the features for me to setup the said server. Therefore I decided to choose the Synology DS216j NAS for this project.
How to create webpages & setup website using the CMS
This is my experience about how to create webpages & setup my personal website using the CMS (Content Management System) software. My website is 4 years old now, during this time, I learn how to upgrade my website, improve the webpages loading speed, remove virus/malware from website, and a lot more.....SEO, Google Analytic, Google Adsense, Google Captcha, Google PageSpeed Insights, Google Search Console.
Makeblock 3-in-1 mBot Ranger Robot Kit
Makeblock 3 in 1 mBot Ranger Robot Kit is a three-in-one STEM (Science, Technology, Engineering & Mathematics) Educational robot kit which offers the ability to create a Robot Tank, Three-Wheeled Racing Car and a Self-Balance Car. You can program and control the mBot Ranger via iPad, tablets or laptop.
I get my mBot Ranger Robot Kit from GearBest, the price of the kit is $134.87.
Arduino Based DS1307RTC Large LED Digital Clock
This is an Arduino based digital Clock to display real time on a 32x16 LED matrix panel using a DS1307 RTC module. The date and time can be set via serial interface or push button switches.