Articles
Fingerprint scanner briefcase
This briefcase is fitted with an electronic lock and a fingerprint reader so as to be unlocked with a simple touch. It also features a bluetooth module, which enables unlocking using a smartphone or computer.
Control IoT devices with a Xiaomi Mi Band 2
Smartwatches can be rather expensive and tend to be known for their poor battery life. On the other hand, Xiaomi's Mi band 2 is cheap and its battery lasts for up to 20 days. However, the Mi band 2 is mainly limited to fitness tracking functions, at least without the appropriate apps.
Bathroom occupancy monitor
One of the companies I used to work for had a serious bathroom issue: My floor had only three toilet stalls for about 200 employees. There were countless times when I would walk all the way to the bathroom only to find all stalls occupied. I built this simple system to quickly identify whether one or more stall were. It consists of an IoT sensor installed on the bathroom stalls' door and an indicator placed somewhere easily visible.
CSS basics
HTML defines the content of a web page but not its aesthetics. Styling a document is achieved using CSS, which stands for Cascading Style Sheet and is another language that web browsers can interpret.
HTML basics
HTML stands for HyperText Markup Language. It is used to describe the content of a webpage to web browsers. Originally, web browsers were designed to display text documents and so HTML was used to define the various parts making up those documents.
Inheritance in Python
Let's imagine that we have a python class as follows (Python 3):
Network basics
When data needs to be exchanged between several computers, those need to be connected to each other, i.e. forming a network.
IoT lock
Have you ever left your apartment and couldn't remember if you locked your front door or not? Sadly, if it is unlocked, there is not much you can do about it until you get back home. This system is an attempt to solve the problem. Simply put, it consists of attaching an actuator to the door's original locking mechanism control it with through WiFi.
Vocabulary practice web app
When learning a new language, there is no way around having to learn its vocabulary. This simple web app was made to help with this process by providing a multiple choice question style UI. It was designed mainly for Japanese, which uses Chinese characters that can have multiple readings.
Barking alarm
Dogs are great at detering burglars from entering one's home. This system brings the same advantage, without the need for an actual dog.