# Current Sensing Relay Recommendations **URL:** \ **Category:** Original/PRO Series (Buildbotics) (Gen 1)\ **Created:** [October 5, 2025, 3:49pm UTC](https://forum.onefinitycnc.com/t/current-sensing-relay-recommendations/35606 "2025-10-05T15:49:52Z")\ **Posts on this page:** 1\ **Showing post:** 10
**Author:** ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\ **Post date:** [October 6, 2025, 1:17pm UTC](https://forum.onefinitycnc.com/t/current-sensing-relay-recommendations/35606/10 "2025-10-06T13:17:42Z")
It’s covered in this thread: > [@Tool Enable - M15 - IOT Relay - & Breakout board (auto turn off/on router)](https://forum.onefinitycnc.com/t/tool-enable-m15-iot-relay-breakout-board-auto-turn-off-on-router/720): > > I have been trying to leverage the tool enable and this [IoT relay](https://smile.amazon.com/dp/B00WV7GMA2/?tag=benmyers-20) My previous CNC had this and it was a great feature to have the router turn on automatically at the start of the job and off at the end of the job. I have the breakout board but so far I haven’t been able to get it to work. From what I can tell it only needs 3 volts for it to trip the relay. My old Lead1010 used this via the tool head on (M3 S#) then M5 to turn it off. [31d3DLX1ubL.AC] Any help would… --- _[View the full topic](https://forum.onefinitycnc.com/t/current-sensing-relay-recommendations/35606)._