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Build an Instrumentation Amplifier with Picoamp-Level Input Bias Current

Build an Instrumentation Amplifier with Picoamp-Level Input Bias Current

Discover how the LT1079 quad op-amp minimizes sensor loading in battery-powered designs. Active cancellation and an onboard bridge network ensure maximum precision for resistive sensors.

Projects Aug 26, 2026 by Rajkumar Sharma, All About Circuits
Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

This project brief describes how to build and use an Arduino-compatible board that reads a linear Hall-effect sensor and reports the measurement over an RS-485 bus.

Projects Aug 19, 2026 by Rajkumar Sharma, All About Circuits