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I’m creating essentially a load cell using an Arduino Nano and an HX711 amplifier. However, I want to have two HX711 amplifiers running off the same Arduino. Will that change the supply voltage since I’m using two (ex. Does it change from 5V to 2.5V)? I need an accurate supply voltage for the Wheatstone bridge equations to determine strain from the strain gauge readings, but I’m unsure what adding another amplifier will do to the supply voltage.

Suomynona
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Will that change the supply voltage

No. Components and circuits connected in parallel add together their current requirements, but the voltage stays the same.

Majenko
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