Ultrasonic Musical Keyboard Ver. 2

> 3 min read This is an updated version of the Ultrasonic Keyboard, which uses the distance of the ultrasonic sensor to play the various tones.

Hack N Roll 2018

> 3 min read It’s been a while since I last joined a hackathon, and the one I attended recently is something familiar: Hack N Roll 2018! Held in a different location @ Cinnamon-Tembusu Dining Hall instead (the...

Installing Turtlebot 3 simulator in Ubuntu 14.04

> 4 min read Installing the Turtlebot 3 simulator in ROS Kinetic is well documented in their website, but is it still possible to try out the simulator on Ubuntu 14.04 with ROS Indigo instead? After tweaking around...

Getting started with the WeMos D1 ESP8266 WiFi Board

> 4 min read The WeMos D1 is a ESP8266 WiFi based board that uses the Arduino layout with a operating voltage of 3.3V. As the documentation of this board online can be a little confusing, the purpose...

Installing the R2 simulator for ROS Indigo

> 4 min read What is r2? The r2 robot, which is an acronym for Robonaut 2, is a dexterous humanoid robot created by NASA, with the goal of it aiding humans in space (Robonaut 2 is just...

APA102 vs SK6812 – Which LED strip to use?

> 4 min read Going online in search of a LED strip, be it for a prototype or school project, you may be seeing a huge variety of LED strips, ranging from different functionality and price tags. With...

Playing music tracks with DF Robot MP3 Player Module

> 4 min read Need to play some music tracks quick with minimal hustle? Getting a MP3 Player module may be a solution one can look into! In this mini project, DF Robot MP3 Player Module is interfaced...

2.8″ TFT LCD Touchscreen Shield

> 5 min read Looking for a bigger screen to interface with the Arduino Uno? Bigger than the 2.4″ TFT LCD screen, this shield is able to display a little more information than the 2.4″ screen. In this...

Controlling devices with the Opto-isolator Relay

> 2 min read Need to control devices that has high power or does not have the same power rating as the Arduino? Using an optoisolator relay is one wokr around you can choose to approach this issue. With that,...