# Featured Topics

**3 Jan, 2017** – plcLib User Guide: *A downloadable version of the plcLib User Guide is now available from the Contents Page.* (Category: Software / Hardware)

**28 Dec, 2015** – plcLib (Arduino): Defining Custom IO Allocations: *Version 1.2 of the PLC library provides an extended range of custom I/O files to suit a variety of hardware and makes it easier to develop your own configurations. Supported devices include Arduino compatible PLCs from Controllino and Industrial Shields, a variety of electronics prototyping systems, plus the use of standard Arduino hardware and pin names.* (Category: Software / Hardware)

**17 May, 2015** – plcLib (Arduino): Edge Triggered Pulses: *Version 1.1 of the plcLib software introduces the ability to generate edge triggered pulses, the output of which are active for a single scan cycle only.* (Category: Software / Hardware)

**1 Feb, 2015** – Flowcode: *Flowcode is a graphically oriented programming environment produced by Matrix TSL, with versions available for PIC, dsPIC, ARM, and AVR processor families.* (Category: Software / Hardware)

**1 Feb, 2015** – Rules of Boolean Algebra: *A number of rules of Boolean algebra are available which may be used to simplify Boolean expressions by algebraic simplification.* (Category: Electronics)

**18 Jan, 2015** – Venn Diagrams and Boolean Algebra: *A Venn diagram may be used to represent the possible logical states of a combinational logic system, typically having up to 3 input variables.* (Category: Electronics)

**12 Jan, 2015** – Numbering Systems Overview: *A numbering system is a consistent method of representing numerical values, which is closely related to methods of counting and performing mathematical operations.* (Category: Micros)

**27 Dec, 2014** – plcLib (Arduino): Stack-based Storage and Logic: *Version 1.0 of the plcLib software adds the ability to create and use a software-based stack for temporary storage and retrieval of single-bit values. This capability may be combined with block logic commands, to simplify the solution of complex networks based on Boolean algebra.* (Category: Software / Hardware)

**30 Nov, 2014** – plcLib (Arduino): Shifting and Rotating Binary Data: *Version 0.9 of the plcLib software introduces shift registers which may be used to move binary data to the left or right, one bit at a time.* (Category: Software / Hardware)

**25 Oct, 2014** – TinkerKit Website Offline: *Future support for the TinkerKit electronics range is in doubt, after their website went offline unexpectedly.* (Category: Software / Hardware)