fab-tools-dat/fab-tools-electronic-dat/meter-dat/meter-current-dat/2026-07-17-21-58-52.png
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fab-tools-dat/fab-tools-electronic-dat/meter-dat/meter-current-dat/meter-current-dat.md
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@@ -89,6 +89,14 @@ Here is a breakdown of why you would choose the ACS712 over a standard ADC-based
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While the ACS712 wins on isolation and simplicity, a standard ADC+Shunt setup is superior if you need **extreme precision at very low currents** (milliamps or microamps), or if your project is operating in an environment with high external magnetic interference (like right next to a massive brushless motor), which can throw off the Hall-effect sensor inside the ACS712.
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+## SCH
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+- [[amp-op-dat]]
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+- [[GS8551-dat]] - [[TP09-dat]]
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+![](2026-07-17-21-58-52.png)
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## ref
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- [[meter-current-dat]] - [[meter-voltage-dat]]
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fab-tools-dat/fab-tools-electronic-dat/meter-dat/meter-voltage-dat/2026-07-17-21-56-55.png
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fab-tools-dat/fab-tools-electronic-dat/meter-dat/meter-voltage-dat/meter-voltage-dat.md
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@@ -70,6 +70,12 @@ shared common ground and positive wiring
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![](2026-07-17-18-31-35.png)
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+use a few IOs to measure range:
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## ref
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- [[meter-current-dat]] - [[meter-voltage-dat]]
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