CONTROLLINO was the first ARDUINO compatible software open-soure PLC (programmable logic controller) and is the market leader in its field!

CONTROLLINO is the ultimate PLC choice for makers, for education and for many industrial purposes as well.

CONTROLLINO is used all around the globe, from little hobby projects to complex industrial automation projects. From controlling your homes shutters to collecting data in car production plants … CONTROLLINO does it all!

The CONTROLLINO range consists of 4 different models:



Small but powerful! Your entry to the world of CONTROLLINO.


The perfect choice for most projects! The MAXI is our bestseller.

MAXI Automation

Specifically tailored for the needs of automation specialists!


With a myriad of in- & outputs, the MEGA is our giant! Size matters.

In case you don’t use the pinheader connector,

you can also buy our CONTROLLINO pure versions.


Why is CONTROLLINO great?

Amazing size to I/O-ratio!

Do you know any other PLC in this size with so many in- and outputs? CONTROLLINO MINI already offers 8 inputs and 8 outputs! CONTROLLINO MEGA offers 21 inputs and 40 outputs!

Directly switch 230V circuits!

In addition to 2A @12V/24V outputs, CONTROLLINO also has 230V/6A relay outputs. So you can directly switch circuits up to 6A without the need of external relays!

Current handling capabilites!

Do you know a PLC that handles a total current up to 30A? CONTROLLINO MEGA can do just that!

Use CONTROLLINO like your ARDUINO board before



Programming your CONTROLLINO is as easy as programming your Arduino board. CONTROLLINO is an Arduino clone, so all you need to do is to change the input and output names of your existing programmes and you can use CONTROLLINO right away.

Click the following button to learn more on how to programme your CONTROLLINO and find out more about different programming environments. You will be surprised how simple it is!

Our customers are implementing awesome projects with CONTROLLINO. From small to big, CONTROLLINO offers a flexible solution, that can be used from prototyping to mass production. See pictures on the left.

Examples of customer projects include:



CONTROLLINO is ideal for Product Development and Rapid Prototyping!

Countless companies, from small and medium-sized companies to multinational corporations rely on CONTROLLINO for a multitude of applications. Get in touch with us now to see what CONTROLLINO can do for you!