isolation amplifier

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  1. C

    PH Probe circuit help

    Hello all! I am currently building a Ph circuit, I would like to read a Ph Probe conected via a BNC conector and outputing the analog signal via a ADS1115 chip to an ESP32 S3. Attached is my current schematic that Ive build using my own knowledge and whats available in the various data sheets...
  2. L

    Use of ISO224 as analog isolator

    Hi, I’m using ISO224 to isolate analog signal from a sensor (e.g. Temperature/Humidity sensor) for Raspberry Pico ADC (analog pins). As per my understanding, IC has 2 output pins (Inverting & Non-inverting). Can I use only single pin (Non-inverting) for output and ground the other so that the...
  3. Y

    Analog isolator circuit design

    I am studying the schematics of an analog isolator with variable gain (SIM 984 from SRS0, the isolator is bipolar and can handle positive and negative voltages. In the isolation part of the schematics (see picture below), the author uses two voltage references circled in red. Having read the...
  4. T

    Detect-if-Connected circuit for DSLR -low voltage, low current.

    Hello, I have a DSLR camera which will have a long, wired remote trigger controlled by a microcontroller (I'm using an STM32 Nucleo). My goal is to: A. Detect that the remote trigger between the camera and MCU is plugged in, and illuminate an LED. B. Have the MCU trigger the shutter (take a...
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