# A function to send TTL trigger via parallel port under linux **URL:** \ **Category:** Uncategorized\ **Created:** [October 30, 2017, 3:25am UTC](https://psychtoolbox.discourse.group/t/a-function-to-send-ttl-trigger-via-parallel-port-under-linux/76 "2017-10-30T03:25:46Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\ **Post date:** [October 30, 2017, 3:25am UTC](https://psychtoolbox.discourse.group/t/a-function-to-send-ttl-trigger-via-parallel-port-under-linux/76/1 "2017-10-30T03:25:46Z")
Hi all, Just shares a function to send TTL via the parallel port under Linux. Please visit the below website to get the file. [http://web.suda.edu.cn/yzhangpsy/projects.html](http://web.suda.edu.cn/yzhangpsy/projects.html) Best Yang Zhang ------------------------------------------------ Department of Psychology SooChow University Dushu Lake Campus No.1 Wenjin Street, Industrial park Suzhou, Jiangsu, 215123, China Email: [yzhangpsy@...](mailto:yzhangpsy@...) Or: [zhangyang873@...](mailto:zhangyang873@...) Or: yangzhangpsy[@](mailto:zhangyang873@...)[163.com](http://163.com) Web : [http://web.suda.edu.cn/yzhangpsy/index.html](http://web.suda.edu.cn/yzhangpsy/index.html) ------------------------------------------------ -- Yang Zhang ------------------------------------------------ Department of Psychology SooChow University Dushu Lake Campus No.1 Wenjin Street, Industrial park Suzhou, JiangSu, 215123, China Email: [yzhangpsy@...](mailto:yzhangpsy@...) Or: [zhangyang873@...](mailto:zhangyang873@...) Or: yangzhangpsy[@](mailto:zhangyang873@...)[163.com](http://163.com) Web : [http://web.suda.edu.cn/yzhangpsy/index.html](http://web.suda.edu.cn/yzhangpsy/index.html) ------------------------------------------------