Charlee LiInterface any Generic OLED Screen on ArduinoAn OLED screen is a popular solution to add some visual output to your DIY projects. Adafruit provides a line of screen products. They also…8 min read·Jun 23, 2022----
Charlee LiinNerd For TechNeoPixel ColorPicker in One HourThis article described a “WYSIWYG” hardware colorpicker tool for NeoPixel LED strip.8 min read·Mar 12, 2022----
Charlee LiinNerd For TechDIY LED Canton TowerA couple of months ago I accidentally bought 400 auto-flashing LEDs thinking they were white LEDs. The auto-flashing feature is amazing but…6 min read·Sep 29, 2021----
Charlee LiinNerd For TechHow I made this real time clock with Raspberry Pi PicoFollowing my previous LED matrix project I wanted to make a larger LED matrix. I have some 7cm x 9cm single sided perfboards in my…8 min read·Sep 4, 2021--1--1
Charlee LiinNerd For TechBuild a Raspberry Pi Pico Powered 8x8 LED Matrix from ScratchThere are plenty of LED matrix tutorials but most of them are using Arduino. Since Raspberry Pi Pico is a smaller microcontroller and it is…7 min read·Aug 11, 2021--2--2
Charlee LiinNerd For TechHow to Add Light and Temperature Sensors to Raspberry PiRecently I am working on a small hardware project with Raspberry Pi. I want to use Raspberry Pi 3 B+ as an indoor monitor. It should be…10 min read·Apr 22, 2021----
Charlee LiinITNEXTCreate a Stopwatch App with FlutterI’ve been learning Flutter and Dart language recently and they really impressed me. Flutter is greatly inspired by React and many concepts…4 min read·Dec 31, 2020--1--1
Charlee LiinHackerNoon.comLinear Regression from ScratchLinear regression is one of the simplest machine learning algorithms and is the best practice for beginners. In this post I will guide you…8 min read·Jun 25, 2019----
Charlee LiinITNEXTTyping React (4) RoutingIn previous post we demonstrated how to use TypeScript with Redux and related libraries. And in this post we will talk about routing, an…3 min read·Jun 17, 2019----
Charlee LiinITNEXTTyping React (3) ReduxIn previous articles we have already explained how to use TypeScript in regular React and with Material-UI. In this article I will show…6 min read·Jun 11, 2019--1--1