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Arduino Analog Signal Filter | Analog sensor value Fluctuates a lot | Low Pass filter

Arduino Analog Signal Filter | Analog sensor value Fluctuates a lot | Low Pass filter Read the Article: https://www.electroniclinic.com/ardui... Support me on Patreon and get access to hundreds of projects:   / electroniclinic   Project Description: ***** In this video, we will fix a common problem that bothers a lot of Arduino users: fluctuating analog sensor values. Analog signals from sensors can be noisy. This noise can come from various sources, such as electrical interference, fluctuations in power supply, or even the sensor itself. When you connect an analog sensor to your Arduino and you read these noisy signals directly, the values can jump around even if the sensor itself it not moving, making it hard to get a stable reading. This can be problematic for many applications, such as controlling motors, reading environmental data, or any other situation where you need accurate and stable measurements. We are going to explore several methods to smooth out these fluctuating Sensor values. We will use a Potentiometer as an analog sensor connected to the analog pin A1 of the Arduino. Step1: Basic Analog Read We will start with a basic program that reads the sensor value without any averaging or filtering techniques. This will help us understand the problem and see the raw data as it comes from the sensor. Step 2: Implementing Averaging Next, we will introduce an averaging technique to smooth out the data. By averaging multiple readings, we can reduce the impact of any single noisy reading. Step 3: Implementing a Software Filter In our third step, we will go beyond simple averaging and implement a software-based filter. This filter will allow us to smooth out the sensor values even more effectively. Hardware Filtering with a Capacitor Finally, we will introduce a hardware solution by adding a capacitor to create a low-pass RC filter. This physical filter will help smooth the analog signal before it even reaches the Arduino. This approach can be combined with the software filtering techniques for even better results. Testing and Comparison We will test all three programs with and without the capacitor. By comparing the outputs, you will be able to see how each method affects the stability of the sensor readings. This will give you a clear understanding of the benefits and limitations of each technique. So, without any further delay let’s get started!!! ***** Product Links: ***************** Arduino Nano USB C type (Recommended) https://amzn.to/4ahGLdk Oscilloscope DSO152 https://amzn.to/3Tn0Gl7 DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support the channel and allows me to continue to make videos like this. Thank you for your support! **************** For more Projects and tutorials visit my Websites https://www.electroniclinic.com/ Follow me on Instagram:   / electroniclinic   Follow my Facebook Page Electronic Clinic: https://web.facebook.com/profile.php?... Follow my Facebook Group, Arduino Projects:   / 190031841821771   Email: [email protected] #arduino #analogsignalfilter #noisefilter