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Rodrigo Sousa Coutinho

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Arduino Playground

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Rodrigo Sousa Coutinho

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Dec 31, 2024

Reading temperature with Arduino and an LM35 (or TMP36)

The circuit to get the room temperature using the LM35 (or TMP36) is pretty basic, as you can see from the picture (the position of the…

Reading temperature with Arduino and an LM35 (or TMP36)

In

Data Trekking

by

Rodrigo Sousa Coutinho

·

Nov 20, 2019

Setting limits on ggplot

If you want to plot a chart with a few outliers in ggplot, you might be temped to use ylim. The problem with ylim is that it removes the…

Setting limits on ggplot

In

Data Trekking

by

Rodrigo Sousa Coutinho

·

Apr 13, 2019

Creating Time Maps in R

Time Maps are a great way to understand events that happen with a certain cadence over time. Take a look at this article by Mark Watson…

Creating Time Maps in R

In

Data Trekking

by

Rodrigo Sousa Coutinho

·

Feb 15, 2019

Testing Rmd files on Shiny with monit

We are using monit to make sure our Shiny Server is running properly. Testing Rmd reports requires a bit of extra work….

In

Data Trekking

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Rodrigo Sousa Coutinho

·

Feb 11, 2019

Monitoring a Shiny Server with Monit

Make sure your Shiny Server applications are always up and running

Monitoring a Shiny Server with Monit

In

OutSystems Engineering

by

Rodrigo Sousa Coutinho

·

Mar 19, 2018

A/B Testing OutSystems Mobile Apps with Google Optimize

The goal is simple. I have a mobile application built with OutSystems and I want to check whether a red button or a green button converts…

A/B Testing OutSystems Mobile Apps with Google Optimize

Rodrigo Sousa Coutinho

·

Feb 1, 2018

A great place to work

When looking for a new job, it’s easy to be impressed with the perks some companies offer. After all, working in a place that offers…

A great place to work

Rodrigo Sousa Coutinho

·

Jan 10, 2018

Your best option? Delay the project

People will quickly forget that a project was delivered late… But a project delivered with poor quality will leave a long-lasting memory!

Your best option? Delay the project

Rodrigo Sousa Coutinho

·

Aug 18, 2017

This post was written on a typewriter

Yes, it is true. We’re in the middle of 2017 and I’m using a l935 typewriter to create a post. Don’t believe me? Check the image! You’ll…

This post was written on a typewriter

In

Arduino Playground

by

Rodrigo Sousa Coutinho

·

Mar 5, 2017

Using a 74HC595 to control a LED Matrix

Setting up a LED Matrix can quickly get you out of pins to do other things with your Arduino. One way to overcome this is to use a 74HC595…

Using a 74HC595 to control a LED Matrix

Rodrigo Sousa Coutinho

Rodrigo Sousa Coutinho

Hi! I’m co-founder and Director of Data Science at OutSystems, with a passion for data, great products, and geeky stuff!

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