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Waveshare ADC Board changing analog input range [duplicate]

This question has been redirected from raspberry pi community. Some of the questions have been answered by @Milliways, so those questions have been edited out. I'm using this Raspberry Pi High-...
2
votes
2answers
45 views

ADC error SPICE simulation

I am attempting to do a Monte Carlo simulation of a basic current measurement circuit using SiMetrix. The current goes through a sense resistor, amplified by an op-amp and then to an ADC. I'm trying ...
2
votes
1answer
249 views

Adding a variable offset to a signal

I would like to add an offset to a signal to send it on a differential ADC. But i want to be able to control the value of this offset with a PWM. My sensor has a bandwidth of [1-100Hz] and i only ...
1
vote
1answer
1k views

ADC STM32L476RG : Why do I have an offset when connected to 0V?

I'm working on a software solution which set the Pin PC2 to "reset state" if my input signal (connected to ADC) is above 2V. I testing my code with STM32 Studio to watch in real time the digital ...
1
vote
1answer
376 views

What is the best method to compensating offset at the output of a peak detector circuit?

Brief of Application: The signal conditioning circuit developed is used to detect or capture the peak values of dynamic systems such as the impulse tools. In this application, we use an impulse tool ...
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2answers
946 views

Piezo into 0-5v ADC, with offset center voltage?

I want my piezos to have a center voltage at 2.5v for a 0-5v ADC input on Atmega328, so it can sense force in both ways - one way would be >2.5v and the other will be <2.5v. Will this circuit work?...