Using a Telegram Bot and a Demo Board to experiment with home automation
Let’s discover the potential of the instant messaging app, Telegram, by creating a remote control, based on a smartphone and…
An Open Source Filament Extruder for 3D Printer
Create filaments for FDM printing of your choice, by yourself, thanks to this self buildable machine that gives new life…
An Open Source 4W Guitar Amplifier
Amazing board with volume and tone controls and a distortion fuzz integrated with activated/deactivated on demand; complete with a speaker…
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…
An OTP (One Time Password) Lock
Let’s create an electrically controlled lock that is opened by means of an always different code that is generated by…
Print with Chocolate in two colours with 3Drag Choco Big Dual Extruder
Let’s create a new evolution for our 3Drag printer, with a dual extruder for the printing of chocolate items of…
A Christmas Star with Neopixel LEDs
A tech Christmas decoration, created by means of Neopixel LEDs and controlled via an Arduino Micro board, that takes up…
SmartPID: Smart Temperature and Process Controller
Professionally engineered, SmartPID Controller, now on Indiegogo, is a high-tech product that facilitates temperature and process control: heating or cooling.…
An Electric Speed Control for DC motors
It allows to change the revolutions per minute in any brushed motor that is powered by 12 to 35 Vcc,…
The BF 15+15W open source power amp
A compact stereo amplifier that may be used at home as well as in the car, and also to substitute…