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0-5V Water Level Sensor + ESP32
Hi, I'd like to measure the water level in a well. I purchased this sensor with a 0-5V output and connected it to ESP32 with ESPHome. Unfortunately the measured voltage looks like this: The sensor...
View ArticleTOF400F Sensor Help 2
Sharing this given that a previous topic thread "TOF400F Sensor Help" was closed. Am new to IOT development and recently purchased an RPi Pico W 2 and TOF400F LiDAR Sensor for an easy first project. I...
View ArticleI dont know which rfid sensor to use
I am pretty new to arduino and i don't know which rfid sensor is compatible with my Ethernet arduino. Can you guys help me find one that is compatible with my Arduino? 4 posts - 4 participants Read...
View ArticlePID calibration strugling using 3 Digital sensor
Subject: Help Tuning PID for Line Follower & Sensor Adequacy Hello everyone, I'm having a tough time calibrating the PID for my line follower robot. My main difficulty is finding a KP value that...
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Kitchen scale strain gauge(3 wire)
Hi All, fairly new to Electronics but need some help. I have a broken kitchen scale where i took on of the strain gauges.( ill post pics of it) and using an HX711(pic attached). Can i ask for some...
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Interfacing Digital Pressure Sensor with Arduino
Single-wire interface digital output air pressure sensor Product Description The M1711F120D is a high-precision tire or air pump pressure sensor with a single-wire interface based on an FR4 substrate....
View ArticleGrove BME280 not found on Grove Base Shield
Hello all! I am using a GIGA R1 WiFi with a GIGA Display Shield on one side, and a Grove Shield on the other side. I have successfully added multiple relays, servos, and a RGB LEDS to the digital...
View ArticleArduino R4 OPAMP - Differential Mode Configuration
Hello, I am new to programming, but I have a strong desire to learn. I am trying to use the built-in operational amplifier in differential mode. Unfortunately, I can't find much information online. I...
View ArticleHow to chose motor speed for a solid-state LIDAR
I'm working on a project that required modifying a solid-state lidar (TF-Luna) for mapping purposes. The problem I'm trying to solve is how to calculate the minimum and maximum speed of the motor so...
View ArticleHelp with BNO085 acceleration values
Hello, I am working on a project requiring acceleration and orientation data. I've recently gotten an Adafruit BNO085 and wired it up with an ESP32 Feather V2. The orientation data is working great,...
View ArticleMG811 (CO2) again
I am struggling with the MG811 since a while. As there are different types of breakout boards, I have this one: https://funduinoshop.com/elektronische-module/sensoren/gase/mg811-co2-sensor-modul The...
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MG Sensor Overheating and Inaccurate Readings
Hello everyone, I'm trying to measure EMG signals using an EMG sensor with my Arduino, following the wiring instructions provided by others. However, I'm facing a couple of issues: The sensor is...
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How to shunt ampmeter
I plan to drive a BLDC motor using a sine wave controller and will use a 500A 75mV shunt resistor (150µΩ) to measure current in the circuit, where the maximum current will be 300A. I have some...
View ArticlePIR motion sensor delay
I'm having some trouble with setting up a PIR motion sensor. Basically, I want every time a trigger happens to add to a count that is saved on a text file. This is to track a small animal entering and...
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Need help sparkfun qwiic scale - nau7802
I'm a beginner. I want to connect a load cell to the SparkFun Qwiic Scale - NAU7802. This is my load cell. Can I get some guidance on how to connect this load cell? 3 posts - 2 participants Read full...
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Looking to interface a weighing scale display
So i am looking for weighing scale from which i can have a digital output. I started off thinking to design a weighing scale from scratch but this is something that is non-trivial. The best option for...
View ArticlePiezoelectric sensor senstivity
I am currently 50% on my project about how i use a piezo sensor to track bpm and burned calories, but one thing is a problem. How do i lessen the sensitivity of my piezo sensor in order for it to only...
View ArticleDust sensor on solar panel cleaning robot
Hi, is there any suitable dust sensor the solar panel cleaning robot uses for dust detection? (the sensor will installed on the robot) If yes, can anyone suggest a suitable sensor that is compatible...
View ArticleBNO055 Sensor with esp32-c6 not working
I am using 4 bno055 sensors. Out of 4 connecting to 1 sensor is having power issue, like the sensor and the esp32-c6 temperature is becoming very high when connected to power supply and I am...
View ArticleHelp with light sensor!
I am trying to use a light sensor to initiate my code. For example, If it gets dark outside I want the sensor to run a code when it's dark enough. 7 posts - 5 participants Read full topic
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