Complete sensor guides for embedded systems — selection criteria, calibration techniques, signal conditioning, noise reduction, and interfacing via ADC, I2C, SPI, and 1-Wire.
KEY TAKEAWAYS Capacitive humidity sensors (SHT31, BME280) offer the best accuracy and long-term stability for embedded projects. DHT22 provides ±2% RH accuracy at low cost;… Read More »Humidity Sensors Explained: Capacitive, Resistive, and Digital Types
KEY TAKEAWAYS MEMS piezoresistive sensors (BMP280, BME280) are the most popular for embedded projects — cheap, accurate, and easy to interface via I2C/SPI. Pressure sensors… Read More »Pressure Sensors for Embedded Systems: Types, Selection, and Interfacing
KEY TAKEAWAYS Part of the Complete Guide to Sensors for Embedded Systems series. Noise is the enemy of accurate sensor measurements. A perfectly calibrated sensor… Read More »Noise in Sensor Measurements: Sources and Solutions
KEY TAKEAWAYS Signal conditioning adapts raw sensor outputs (millivolts, resistance changes) to match the ADC input range of your microcontroller. Instrumentation amplifiers (INA126, AD620) provide… Read More »Signal Conditioning for Sensors: Amplification, Filtering, and Level Shifting
Learn the differences between NTC and PTC thermistors, how they work, their applications in embedded systems, and how to read an NTC thermistor with a… Read More »NTC and PTC Thermistors: Working, Differences, and Applications
KEY TAKEAWAYS Sensors convert physical quantities (temperature, light, motion, pressure) into electrical signals the MCU can read. Actuators convert electrical signals into physical actions —… Read More »Sensors and Actuators in Embedded Systems: Types, Examples, Applications
KEY TAKEAWAYS LM35 is a temperature sensor that outputs an analog signal which is proportional to the instantaneous temperature. The output voltage can easily be… Read More »LM35 Temperature Sensor: Working, Circuit, and Arduino Code
KEY TAKEAWAYS In this post, we will look into various selection criteria for sensors. Finding the right sensor can be a tough call. Hopefully by… Read More »How to Choose the Right Sensor for Your Embedded System
KEY TAKEAWAYS The DHT sensor (Digital Humidity and Temperature) is one of the most popular sensors for Arduino projects — but picking the right one… Read More »DHT11 and DHT22 Sensor: Working Principle and Interfacing Guide
KEY TAKEAWAYS In our previous post of ultrasonic sensor we understood the working ,applications ,advantages as well as disadvantage. As we know already, in ultrasonic… Read More »How to improve readings of Ultrasonic Sensor – Temperature and Humidity Compensation
