# Auto-power switch for router? **URL:** https://forums.maslowcnc.com/t/auto-power-switch-for-router/406 **Category:** Technical Details **Created:** [August 7, 2017, 7:04pm UTC](https://forums.maslowcnc.com/t/auto-power-switch-for-router/406 "2017-08-07T19:04:36Z") **Posts on this page:** 1 **Showing post:** 82
### Author: ![blurfl](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/blurfl/32/9_2.png) [@blurfl](https://forums.maslowcnc.com/u/blurfl) #### Post date: [November 17, 2017, 6:21pm UTC](https://forums.maslowcnc.com/t/auto-power-switch-for-router/406/82 "2017-11-17T18:21:33Z")
The gcodes in the ‘M’ family are decoded in CNC\_Functions.h starting around line 1647 in ‘executeMcodeLine()’. Codes 0, 1, 2, 3, 4, 5, 6 and 30 are implemented. 0 - program pause 1 - optional pause/halt/stop 2 - program end 3 - spindle on - clockwise 4 - spindle on counterclockwise (here, same as #3) 5 - spindle off 6 - tool change, pause for response 30 - program end with return to top 3 & 4 turn the spindle on, 2, 5, 6 & 30 turn it off. --- _[View the full topic](https://forums.maslowcnc.com/t/auto-power-switch-for-router/406)._