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4-bit SD driver

4-bit SD mode SD card driver plug-in for Eric Smith's FlexProp/Flexspin

DEBUG Plot Layer and Crop

Introduction PNut_v49p1 adds new DEBUG PLOT commands allowing up to 8 bitmap layers that you can selectively copy into the PLOT window. This is useful for doing photo-realistic displays, where pre-drawn images are copied into the plot window to show,…

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…

Using the counter for timeouts

Introduction Each cog has independent counters that can run in the background and support your code without overhead. The counters can perform many operations, and here we mention using them for operation timers. Code Snippet These code snippets show an…

Determine pin state - High, Low or Floating?

Introduction A common requirement for programmers is to determine the external state of an IO pin. The Propeller 2 smart IO pins make this simple without needing any external components, and allow the programmer to determine if the pin is…

Where can I find FREE support?

Join us at our monthly Propeller Live forum and ask questions directly to the Parallax engineering team. Check our Events page and click on the Propeller 1 & 2 tab for the latest dates. Join our friendly community forum where…