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[Utility & Helpers](/categories/utility) 4. / 5. laxamar/gpiosysv ActiveLibrary[Utility & Helpers](/categories/utility) laxamar/gpiosysv ================ A library for accessing the GPIO pins on a Raspberry Pi without root for clients using SysV message queue and client/server 1.4.2(3y ago)168MITPHPPHP ^7.4||^8.0 Since Dec 13Pushed 3y agoCompare [ Source](https://github.com/laxamar/GPIOSysV)[ Packagist](https://packagist.org/packages/laxamar/gpiosysv)[ RSS](/packages/laxamar-gpiosysv/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (10)Dependencies (1)Versions (55)Used By (0) Amar: GPIOSysV ============== [](#amar-gpiosysv) [![License](https://camo.githubusercontent.com/6a82cef2543ffaa98e661fce727a1faa862b66f5fd89a48d19bf9d51824142c5/68747470733a2f2f706f7365722e707567782e6f72672f6c6178616d61722f6770696f737973762f6c6963656e7365)](https://packagist.org/packages/laxamar/gpiosysv)[![Total Downloads](https://camo.githubusercontent.com/bda754f88c9a7f8bd784aac114f47d778d1000dd63953244dcbdb6274277a04f/68747470733a2f2f706f7365722e707567782e6f72672f6c6178616d61722f6770696f737973762f646f776e6c6f616473)](https://packagist.org/packages/laxamar/gpiosysv) A userland (non-root) library for low level access to the GPIO pins on a Raspberry Pi. These pins can be used to control outputs (LEDs, motors, valves, pumps) or read inputs (sensors). Adapted by [laxamar ![(Twitter)](https://camo.githubusercontent.com/6bdedfb2ec11bea20e0fb9720641fd26240465c2361f25955ca995df499d5d20/687474703a2f2f692e696d6775722e636f6d2f77577a583975422e706e67)](https://twitter.com/laxamar) From [AndrewCarterUK ![(Twitter)](https://camo.githubusercontent.com/6bdedfb2ec11bea20e0fb9720641fd26240465c2361f25955ca995df499d5d20/687474703a2f2f692e696d6775722e636f6d2f77577a583975422e706e67)](https://twitter.com/AndrewCarterUK) Installing ---------- [](#installing) This release has two components. A server that can be installed via git or composer. A client that uses composer to install and run. ### Client (with server as a service with manual installation) [](#client-with-server-as-a-service-with-manual-installation) Using [composer](https://getcomposer.org/): `composer require laxamar/gpiosysv` Or: `php composer.phar require laxamar/gpiosysv` The server code is installed in the `vendors/laxamar/gpiosysv` directory of composer under the `service` directory and can be installed as below ### Server [](#server) The server can be downloaded as by git `sudo install_systemd.sh`will install the necessary files in /usr/local/GPIOSysV and install the systemd service Examples -------- [](#examples) ### Setting Output Pins [](#setting-output-pins) ``` use Amar\GPIOSysV\GPIOSysVClt; // Create a GPIO object $gpio_obj = GPIOSysVClt::getInstance(); // Set the value of the pin high (turn it on) $success = $gpio_obj->setPinHigh(18); $success = $gpio_obj->setPinLow(18); // Set a series on PINs using BCD $gpio->setPinsBinary($board, CS_PINs); for ($dec = 0; $dec < 8; $dec++) { // echo "Decimal $dec"; $gpio->strobeBinary($dec, LED_PINs, FLASH_PIN, 1, 0, $frequency, true, $error); } ``` ### Input Pin [](#input-pin) ``` use Amar\GPIOSysV\GPIOSysVClt; // Create a GPIO object $gpio_obj = GPIOSysVClt::getInstance(); // Set the value of the pin high (turn it on) $value = $gpio_obj->getPin(4); ``` Further Reading --------------- [](#further-reading) SitePoint published a tutorial about [powering Raspberry Pi projects with PHP](https://www.sitepoint.com/powering-raspberry-pi-projects-with-php/) which used this library and shows a push button example with a wiring diagram. More Resources -------------- [](#more-resources) PiPHP maintains a [resource directory](https://github.com/PiPHP/Resources) for PHP programming on the Raspberry Pi. ### Health Score 34 — LowBetter than 77% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity10 Limited adoption so far Community12 Small or concentrated contributor base Maturity82 Battle-tested with a long release history Bus Factor1 Top contributor holds 68.3% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~51 days Recently: every ~88 days Total 50 Last Release 1304d ago Major Versions v0.9.2 → v1.02021-10-16 PHP version history (2 changes)0.2.2PHP ^7.3||^8.0 v1.0PHP ^7.4||^8.0 ### Community Maintainers ![](https://www.gravatar.com/avatar/14a58e74118f76b85fa15ca210f5620dcbec0eb9a40b0dcdbafadc01edcc7438?d=identicon)[laxamar](/maintainers/laxamar) --- Top Contributors [![AndrewCarterUK](https://avatars.githubusercontent.com/u/6486835?v=4)](https://github.com/AndrewCarterUK "AndrewCarterUK (69 commits)")[![svpernova09](https://avatars.githubusercontent.com/u/967362?v=4)](https://github.com/svpernova09 "svpernova09 (26 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (2 commits)")[![laxamar](https://avatars.githubusercontent.com/u/2382057?v=4)](https://github.com/laxamar "laxamar (2 commits)")[![Sam-Burns](https://avatars.githubusercontent.com/u/6594039?v=4)](https://github.com/Sam-Burns "Sam-Burns (1 commits)")[![tomsseisums](https://avatars.githubusercontent.com/u/1030080?v=4)](https://github.com/tomsseisums "tomsseisums (1 commits)") --- Tags gpiophppi4bsysv-ipcpinsysvGPIOraspberrypinspino-root ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/laxamar-gpiosysv/health.svg) ``` [![Health](https://phpackages.com/badges/laxamar-gpiosysv/health.svg)](https://phpackages.com/packages/laxamar-gpiosysv) ``` ### Alternatives [piphp/gpio A library for accessing the GPIO pins on a Raspberry Pi 4325.9k2](/packages/piphp-gpio)[ronanguilloux/php-gpio GPIO-related utils & toolkit PHP library 2678.0k](/packages/ronanguilloux-php-gpio)[lkallas/estonianpin A simple library for processing Estonian Personal Identification Code (isikukood). 1615.7k](/packages/lkallas-estonianpin) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)