Sensor learning path
Training on selecting, setting up, testing and troubleshooting all types of sensors in ESP32 and STM32 projects, from the basics to practical projects.
Choose a topic to find related guides.
Basic concepts of selection, connection and data reading of sensors.
Teaching temperature and humidity measuring sensors.
Teaching light measurement and use of optical sensors.
Learning to measure the distance, presence and level of materials.
Training of motion, direction and position sensors.
Training on measuring gases and air quality indicators.
Training to measure pressure, weight and flow.
Setting up and troubleshooting sensors used in industry.
Calibration methods, reducing noise and increasing measurement accuracy.
Practical projects based on sensors and microcontrollers.
Start with the basics and then move on to calibration and hands-on projects.
The most visited tutorials of this route.
the light
Learn how an LDR works, choose a voltage-divider resistor, read it with STM32, and avoid ADC errors with a calculated 3.3 V example.
Tutorial | release 1405/05/13 - 13:26 | Edit 1405/07/25 - 20:51 Study the article
Temperature and humidity
Wire a DS18B20 to ESP32 or Arduino, use a non-blocking 1-Wire example, and troubleshoot 85°C, disconnected sensors and conversion timing.
Tutorial | release 1405/05/07 - 10:11 | Edit 1405/07/25 - 20:51 Study the article
Temperature and humidity
Connect an SHT31 to ESP32 or Arduino, check I2C addresses and CRC, and diagnose temperature or humidity errors using the official datasheet.
Tutorial | release 1405/05/08 - 10:24 | Edit 1405/07/25 - 20:51 Study the articleThe latest articles published in sensor categories.
Calibration and noise
Comparison of moving average, median and EMA for sensor data; Examples of Python, filter delay, noise jump and invalid data handling.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the article
Basics of sensors
Fixed problem of not finding I2C sensor in ESP32: power supply, SDA and SCL, 7-bit address, Pull-up and locked bus; Along with scanner code and checklist.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the article
Temperature and humidity
Find the cause of temperature and humidity difference step by step: board heat, enclosure, installation location, old data and comparison reference; Along with the test registration sheet.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the article
Calibration and noise
Learn the difference between precision, repeatability and resolution with examples; Two-point calibration, residual error, and executable Python file.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the article
Basics of sensors
Comparison of analog and digital output of sensors, role of ADC, AO and DO output, voltage level and error detection; By practicing data path analysis in ESP32.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the article
Basics of sensors
What is a sensor and how is it selected? A guide to sensor, output, range, installation and test types for ESP32 and Arduino projects with a practical checklist.
Educational article Published 07/18/1405 - 15:19 | Edited 07/21/1405 - 11:41 Study the articleExplore the library paths for board selection and power troubleshooting.
Published courses related to sensors.