Welcome to the final instalment of my 8 DI Optically Isolated Arduino Shield. Today I will show you some of the assembly pictures, as well… Read More »Build your own 8 DI Optically Isolated Arduino Shield – Part 3
In part 1 of this article, I introduced my new I2C 8DI Optically Isolated Arduino Shield. Today, I will show you how the full design,… Read More »Build your own 8 DI Optically Isolated Arduino Shield – Part 2
All of us Makers like to tinker with stuff, and in this process, we may find ourselves thinking about how to connect device A to… Read More »Build your own 8 DI Optically Isolated Arduino Shield – Part 1
So you have finally decided to give the Embeetle IDE a try, I mean, why not, you have nothing to loose right ? After starting… Read More »Your First Sketch – Embeetle IDE
A few months ago, I was approached by one of the Embeetle team members, to give some feedback on a new IDE that they were… Read More »An Exiting new IDE for Micro Controllers
Introduction When designing IoT solutions, we all encounter the problem of connecting our device(s) to each other, either directly, or through the internet. In Urban… Read More »What is LoRa?
In a previous post, I have shown you how to use the MCP23017 16 Port I2C I/O Port extender with the standard Wire library, as… Read More »MCP23017 with Adafruit Library
I recently got some inspiration from the JLCPCB User Group on Facebook. Catherine showed off her PCB style business card, and I just had to… Read More »A Business Card with a Purpose
Today I will show you another useful IO Expander chip, The MCP23017. This chip, although similar to the PCF8475, which I have already covered in… Read More »Using the MCP23017 to increase your GPIO’s
Using a matrix keypad is a very easy way to add multiple control buttons to a project, be it to enter a password, or to… Read More »Using I2C with a 4×4 Matrix Keypad