Build an open source Laser Reflection Barrier
It allows us to detect the presence and passage of an object thanks to the combination of a laser diode…
Save your Skin with this Open Source UV Index Detector
It measures solar radiation and visualizes the corresponding value on the integrated display of a miniaturized Arduino, in order to…
An Open Source Sprinkler System powered by Yún
A control unit for the garden sprinkler that can be controlled via web and smartphone thanks to Arduino Yún. With…
A full featured mp3 Demoboard
Let’s test out the capabilities of the DFR0299 audio player module, an ideal choice for Arduino but also for many…
An open source Rain Sensor and controller
Designed to be coupled to an irrigation controller, a weather station or motorized curtains and rolling shutters, it shuts down…
The Strato Pi UPS board
Makes Raspberry Pi suitable to be used in “professional” environments, sports a power source, an UPS, a RTC clock, a…
Analyzing Semiconductor with a set of simple tools
A set of tools that – for an affordable price and without difficulties – is capable of identifying and verifying…
TORPEDO: an all-purpose switched-mode power supply
Having explained the theory, let’s see in practice the project of the SEPIC power supply. In this post we discussed…
Octopus, a “tentacular” shield for Arduino and Fishino
A shield that provides 16 digital or PWM I/O using a single Arduino/Fishino I²C bus. Ideal for managing multi-color LED…
An open source 3D Scanner made with Raspberry Pi
By making use Raspberry Pi, we created an easy to build 3D scanner to be used for the acquisition of…