M5ezWatch

I completed my new hardware project called M5ezWatch. Please read the documentation about how to build your own copy!

2020-06-14

M5Stack image formats

I recently started to getting familiar with my M5Stack M5Core device. I installed M5ez and had a look at the image menu. It supports JPEG fi

2020-04-29

Create custom Adafruit GFX library fonts

Based on the Adding New Fonts blog post I tried to add new fonts to the Adafruit GFX Library. It was quite a struggle, so I decided to write

2018-02-22

Introduction to Dive Computers

The following introductory presentation is about how dive computers work in general. Hungarian version  English version 

2017-07-06

BleSensor

It would be really cool to expose physical sensor data to mobile phones for further consumption. For instance imagine a sensor, which can me

2017-04-18

Water activated switch

I thought that it would be cool to create a switch, which is turned on by water contact. This means when the switch is closed, it indicates

2017-04-09

How to fix the Serial Arduino UWP example?

It would be really cool to be able to communicate with an Arduino microcontroller board from a Windows 10 UWP application. Basically this ca

2016-12-16

Bluetooth Low Energy based mobile phone storage extension

Nowadays some high end phones do not have an extra SD card slot, therefore its users are limited to the internal storage space of the device

2016-11-17

Photoresistor based blink

The Hello World! in the Arduino universe is to blink a LED. Often it can be turned on and off with a push putton. Nowadays we use touch gest

2016-08-26

DiveIno released

I am really happy to announce that I made DiveIno available for everybody! Now you are able to build your own dive computer! Just follow the

2016-06-10