Arduino Smart Alarm Clock Design (8×8 Matrix Keypad + LCD Display + Buzzer Songs) Author: STCode 1. Effect Description: This design is based on the Arduino Nano controller, with the main functions being a timer alarm and environmental temperature and humidity display. Users can set the alarm hour and minute using the 8×8 matrix keypad, … Read more
Click the above Front-End Q, follow the public account ReplyJoin Group, join the Front-End Q technical exchange group About the text, Author: Dreyas Link: https://juejin.cn/post/7203180003471081531 image-20230104162825029 The above image is an online temperature and humidity visualization project I worked on for a week. It shows the temperature and humidity trends for the previous day and … Read more
Compared to instruments like trumpets and flutes, electronic keyboards are easier to understand and operate. If we use a USB keyboard as the instrument keys, we can create the simplest keyboard instrument. To achieve this goal, we need to solve two problems: sound generation and parsing USB keyboard data. ·Sound Generation First, we need a … Read more
Overview Previously, I wrote a tutorial on building a temperature and humidity monitor with 20 lines of code, and I also promised to write a tutorial without any coding. After a long delay, I finally finished it. Some content is excerpted from the Baidu Cloud IoT Platform documentation. Development Board NodeMCU is an open-source development … Read more