Microcontroller Propeller 1

Implementing Abstract Data Structures with Spin Objects

Introduction Implementing user-defined data structures and multi-dimensional arrays in Spin is different than it is in C/C++, Java, Python, PHP and other high-level languages. With a few special considerations, Spin can do this for larger software projects requiring complex data…

Making in USA - The Parallax 8 core microcontroller

Introduction The Parallax Propeller 1 Microcontroller was designed by Chip Gracey, President of Parallax Inc. based in Rocklin, California, USA. Chip spent eight years on the project overall, and was assisted for two years by an in-house layout engineer. An…

Simultaneous pin group control

Introduction The Propeller native SPIN language includes many efficient instructions to solve common programming tasks. For example, how to switch a group of IO pins simultaneously with a single instruction ? Here’s an example using just two lines of code…

Programming the FLiP module over WiFi

Introduction The Parallax WiFi module adds wireless programming functionality to Parallax Propeller MicrocontrollersThis tip concerns the Propeller FLiP module, and how to connect the FLiP and WiFi modules together. Connections There are 5 connections including power and ground: Parallax Propeller…

Handy Diagnostic Heartbeat

Introduction Each of the multicore Propeller 1’s eight processors (cogs) has two independent hardware counter modules. Each counter is a configurable state machine for sensing or generating repetitive signals, potentially on every clock cycle. The counter modules are flexible subsystems…