# Sensors fo measuring power through 110-220V lines

**URL:** <https://forum.digikey.com/t/sensors-fo-measuring-power-through-110-220v-lines/4230>\
**Category:** Sensors Transducers\
**Tags:** sparkfun-electronics, development-boards-kits-programmers\
**Created:** [August 26, 2019, 6:55pm UTC](https://forum.digikey.com/t/sensors-fo-measuring-power-through-110-220v-lines/4230 "2019-08-26T18:55:29Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![anthony\_14117](https://avatars.discourse-cdn.com/v4/letter/a/6a8cbe/32.png) [@anthony\_14117](https://forum.digikey.com/u/anthony_14117)\
**Post date:** [April 2, 2025, 8:47pm UTC](https://forum.digikey.com/t/sensors-fo-measuring-power-through-110-220v-lines/4230/10 "2025-04-02T20:47:26Z")

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Hello zsaa2025

Welcome to the TechForum

If you are looking to monitor the torque of the stepper motor, you may want to look into using a [RotaryEncoders](https://www.digikey.com/en/products/filter/encoders/507?s=N4IgjCBcoGwJxVAYygMwIYBsDOBTANCAPZQDaIALAAxgUDMAHCIXQExysUCszIbHdKiAC6hAA4AXKCADKEgE4BLAHYBzEAF9CYOAwTQQKSBhwFiZEEOEabQA)

It may be difficult to monitor the current on the stepper motor as the current is being pulsed through the coils to move the motor [How to Drive a Stepper Motor - Electromechanical / Motors, Actuators, Solenoids and Drivers - Electronic Component and Engineering Solution Forum - TechForum │ DigiKey](https://forum.digikey.com/t/how-to-drive-a-stepper-motor/13412)

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