Category: Hardware & Sensors

June 03, 2024 6 mins read

Beckhoff on my mind - Part 1 - Connecting TwinCAT PLCs

TwinCAT is one of the world’s most popular PLCs, made by the German company Beckhoff. This article serves as a basic introduction for connecting Beckhoff TwinCAT 3 to Peakboard applications. We will also cover some basic knowledge about how TwinCAT works in the backend. Installation and first steps In this...

February 27, 2023 3 mins read

Building an emergency button with Shelly Button1 and MQTT

In another article, we talked about some basics around Shelly products. In this article, we will use a Shelly Button1 to build an alarming system. The button press can send two levels of emergency to a Peakboard application, and then reset to a normal state. In a professional environment, it...

February 09, 2023 4 mins read

Fun with Shelly Plug S - Switching Power on and off

Shelly is a Germany and US based company that provides gadgets for home automation. Their products are popular among home automation enthusiasts, because unlike competing products, you can easily access Shelly’s products with standard technologies like REST and MQTT. Other vendors desperately try to sell their own landscape, app, cloud,...