Block Diagram The security system comprises of an Arduino Uno microcontroller and a standard SIM900A based GSM/GPRS modem. The whole system can be powered from any 12VDC/2A power supply unit/battery.

A while ago, I made a simple yet expansible dual-channel firecracker/rocket igniter using an Arduino Uno microcontroller ... As seen in the diagram below, two momentary pushbutton switches are wired ...

functional block diagrams, and other programming systems covered under the IEC 61131-3 standard. Not only that, it allows the combination of these types of PLC programming with Arduino sketches.

Some things only live on the diagram, like a timer or a connection to an Arduino ... The Firmata block (Firmata is a protocol for communicating with microcontroller boards) is used to represent ...

If you are interested in learning more about the history of the iconic Arduino UNO microcontroller you are sure to be interested in the new article published this month to the official Arduino ...

If you are interested in learning how to solder and code you may be interested in the launch of a new electronics kit in the form of the Arduino Make Your UNO Kit ...