open a URL with a specific browser in Windows

Open a Link with a Specific Browser

How to specify a browser to open a URL from any browser, regardless of default browser

arduino interactive

Interactive Checkers Game with Arduino #4

Arduino Interactive checkers board.

arduino interactive

Interactive Checkers Game with Arduino #3

Build a reactive arduino checkers game using IR LEDs and Photoresistors - LEDs wiring

interactive arduino

Interactive Checkers Game with Arduino #2

Part two of the build of an Arduino Interactive checkers table

aruino

Interactive Checkers Game with Arduino #1

Build a reactive arduino checkers game using IR LEDs and Photoresistors

ESP32

Wemos ESP32 with OLED display

Utilizar o Wemos Lolin32 ESP32 OLED com MicroPython

ESP32

Piscar um LED com o ESP32 e MicroPython

Como colocar MicroPython no ESP32 e começar a explorar este mundo

Welcome to the new site

Welcome!. I'm glad you're here. I'm now migrating my old website into a new one. I've chosen Ghost because it's way better than WordPress. The main reason for the change is that now I have this in a Raspberry PI 3 B+ in my home.  Just like old times, when

2 relay module raspberry pi

Control a lamp with a Raspberry PI using a Webpage

If you landed here, this is part two of a three parts tutorial on how to control a lamp using a Raspberry PI and a relay – this part uses Flask (a web framework for Python) to control the lamp (by controlling the relay). Here are the other parts of

2 relay module raspberry pi

Use a Raspberry PI and a relay to control a lamp

I always wanted to see how could a Raspberry PI could control a lamp and contribute to the IOT and home automation. For a prof-of-concept (To learn how to use a relay before using in more high voltages), we’re going to need: Raspberry PI Relay (I’m

monitor and keyboard

Raspberry PI Headless setup (no keyboard, mouse or monitor)

Configure your Raspberry PI the first time without a Keyboard and Monitor - Headeless

cheerlights

Cheerlights with Pimoroni's Mood Light

Cheerlights IOT Colaborative project with Pimoroni's Mood Light

análise Gearbest impressora 3d

Análise Gearbest Prusa i3 3D - Raiscube R2

Desde que apareceram as impressoras 3D que sempre quis ter uma. No entanto, os preços eram proíbitivos, muito. Com o aparecimento das Prusas e com o movimento maker, foi sendo possível, cada vez mais,  adquirir uma impressora 3D a preços mais acessíveis. O ano passado comprei uma Anet A8. É

Adafruit Huzzah breakout board

Cheerlights cube with Adafruit's HUZZAH ESP8266 Breakout (without thingspeak API)

Cheerlights is an awesome example of an IOT (Internet Of Things) collaborative project. It allows all users lights across the world to synchronize to one color. For that, it uses a Thingspeak channel and API. More information about the project you can visit its page. Requirements 1x Adafruit HUZZAH ESP8266

adafruit neopixel ring led

Arduino Bluetooth 4.0 LE Android controlled RGB lamp

For an event here in my home town (Eletrónica e Informática, pela AICB), I decided that I wanna do some Bluetooth project and while browsing through a Chinese store, I stumble into a wood phone booth – and it just hit my mind – another RGB lamp, controlled with Bluetooth

apache install centos 7

Install Xibo in Centos 7 x86_64

Xibo is a powerful Digital Signage content management system and suite of signage players. Digital Signage, from Wikipedia,  is a form of electronic display that shows information, advertising and other messages. Digital signs (such as LCD, LED, plasma displays, or projected images) can be found in public and private environments,

add wifi to arduino with ESP8266

ESP8266 - Arduino wireless communication

ESP is a wonderful module – it can connect to wifi networks, create a webserver (accepting connections) and is very very cheap ! Its a lot more than this – just google it and you’ll find out. The communication is made through Serial communication using AT commands.  You can

Banggood 3.2 TFT Raspberry PI

Raspberry PI Banggood's 3.2'' TFT display configuration

Image from “The Elephants Dream” by Blender Foundation   A few months ago i bought a 3.2” TFT display from banggood for my Raspberry PI. After a few days trying to put it to work, here’s how. My approach doesn’t uses any

Adafruit LCD 16

Raspberry PI DHT22 humidity sensor with a LCD 16x2 display - Weather station

For a workshop I’m going to give about Raspberry PI and how to interact with the outside world, I thought for a start, why not something simple like some kind of a Weather Station. Materials 1x Raspberry PI (I’m using b+) 1x LCD 16×2

Arduino

How to connect FT232RL FTDI USB To TTL Serial Converter to MinimOSD MAVLink OSD

I bought a new MinimOSD MAVLink OSD from Bangood to use with my CC3D Flight Controller and had trouble to connect it to the computer. After a while, I managed to have success. Here’s how Mine is green You can by one in Banggood.com Since i didn&

Arduino

Bluetooth communication between Raspberry PI and Arduino

This post is part II of a III part series of posts related to Arduino and Raspberry PI Wireless Bluetooth communications. Part I Part III (coming soon) In another post, I’ve shown how to communicate with Arduino through Bluetooth. Arduino is a very nice platform for electronics, but

android blueterm arduino bluetooth

Arduino Bluetooth Wireless Communication

This post is part I of a III part series of posts related to Arduino and Raspberry PI Wireless Bluetooth communications. Part II Part III (coming soon) For a project I’m working on, I was searching for a method of sharing information between the Arduino and a Raspberry

Blink LEDs Pixel Pal Chip Raspberry PI

Soldering Sunday Pixel Pal: Chip - Connect to Raspberry PI

I’ve just received Chip – The Pixel Pal from Soldering Sunday.  It’s a very nice litte project. And I love the LEDs. They’re so biggggg ! 🙂 Mine came with the “Pixel Power”, that allows it to stand and light the LEDs,  powered by

adafruit neopixel stick

Raspberry PI and Adafruit's Neopixel Stick

For a project i’m working on, I had to connect a Neopixel Stick to my Raspberry PI – Although the Adafruit’s Learning Center is quite good (is really very very good), and the Neopixel Uber Guide is extensive, i could not find any information about the

Adafruit max98306

Give your Raspberry PI the power of Speech with Adafruit's max98306

For a project I’m working on, one of the objectives is that the RPi be able to “speak” – just to have some fun. The RPI can output audio through HDMI and the 3.5mm audio jack. Since I’m going to use the RPi