DIY keypad lock – 3D printing and code
A cupboard that should always be locked and five people who need to access it – a classic challenge. The obvious solutions? Five keys in …
Category: Arduino projects
WeMos D1 R2 – Host entire website with html, css & js
The first part of the WeMos series explained the setup and Wi-Fi integration. Building on this, this article describes step by step how to host …
WeMos D1 R2 setup and wifi integration
I have often thought that it would be extremely convenient to connect my Arduino projects with the Wi-Fi. At some point I randomly came across …
Review Battery Shield V3 – DIY Powerbank with LiPo 18650
I was looking for a battery with a battery management system for my outdoor projects (weather station, irrigation system, etc.). While browsing online stores, I …
Sending text messages with visible light communication or LiFi – Pi to Arduino
I like the idea of sending data via visible light. In general, Li-Fi (Light Fidelity) and VLC (Visible Light Communication) are heavily discussed at the …
Arduino Timer Interrupts – How to program Arduino registers
If you want to achieve a regular time interval with the Arduino you can simply use the delay() function. This will pause the program of …
Hall Sensor Movement Detection
We built a test bench to detect a rotary movement. We call it the Hall Sensor Movement Detection. The necessary parts were 3D printed. You …
How to use the hallsensor KY-024 with Arduino Code and Wiring
A Hall sensor can detect magnetic fields and is therefore very suitable in the handicraft area to detect movements. You can often find videos on …
Android Bluetooth classic App for Arduino fan control
We have already created a post in which we explain how to regulate fans by voltage. It doesn’t matter whether the fan is supplied with …
Arduino fan controller
There are many different ways to control the speed of a fan. For example, if your fan has a PWM wire, then you could directly …