When using a shunt current sensor and feeding the differential amplifier output to the Arduino, is it required to put some kind of "isolation" mechanism?

Direct (Shunt) Current Sensing

Topic		Replies	Views
DC current sensing with INA219B Sensors	4	1575	May 6, 2021
Advice wanted for best current sensor for my project Sensors	12	2656	May 6, 2021
3 issues with measuring current Sensors	11	2874	May 6, 2021
Current shunt like AttoPilot 45A (INA-169 based), but good up to 80VDC? Sensors	3	1249	May 6, 2021
Using INA219 breakout board to measure host arduino's supply voltage and current Sensors	6	1279	May 6, 2021