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...There are multiple competing libraries, FastLED being the biggest and Adafruit NeoPixel being the most common for beginners. On ESP32, both FastLED and NeoPixelBus can provide more than one channel/bus. FastLED primarily uses RMT to support 8 parallel channels. NeoPixelBus now supports the RMTs 8 channels and two more channels using i2s.
The Monsputer is a Z80 computer developped with old chips (and some new) collected over the years. It has about 2M memory, clocks at 4.0MHz, has serial ports, 1 parallel port, 1 CAN bus, 2 SPI, 1 I2C, a RTC and other features. It supports interrupts mode 2 but not DMA.
DIY Arduino Boards for IO using port expanders and I2C
DIY Arduino Boards PCF8674 MCP23017 74HC595 CD4021
I2C
Parallel IO
Piezo buzzers
See the Files section for a wide range of sensors and sample code
Schematics
PCB Layout
Sample Code
A library that makes writing parallel (multithreaded) for loops in Java 5+ easier. It also supports parallel processing of lists and arrays, asynchronous invocation, progress and completion notification, computation interruption and results merging.
PyMW is a Python module for parallel master-worker computing in a variety of environments. With the PyMW module, users can write a single program that scales from multicore machines to global computing platforms.
New programming language for SPS devices like Amtel Controller . The basic element of this language will be small Moduls of Code which work parallel (Multitasking). A Module can work indepent or with addiction to other Moduls.
Input/output (IO) C library exposing a common API for real mode and permission-restricted access to parallel port under Windows, Linux and MS-DOS operative systems. It also allows pin-by-pin port access.
pystim is an open source electrical stimulation device driver and development framework. It features a parallel/sequential block paradigm and supports event-base programming. It also provides a device simulator.
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Currently-under-development library of OS-independent objects to provide complex parallel port control, high-resolution timers and other similar facilities needed when using PC I/O ports to control external digital electronics.
SANE backend and stand-alone driver for Canon CanoScan parallel scanners (FB320P, FB620P, FB330P, FB630P, N340P, and N640P). Please note FB310P is NOT currently supported, sorry. For USB model support go to http://canon-fb630u.sourceforge.net/