Measure fishing line with a Hall sensor, six magnets and a large OLED readout. Open-source firmware and printable enclosure included.
Watch a raw gyroscope drift while a Kalman filter stays level, live on a BNO055 and a Raspberry Pi 5 π§
A learning light meter: ESP32 reads an LDR module on GPIO34/35 and streams raw values over Serial.
Water Quality at a Glanceβ is a beginner-friendly IoT project that connects a Water EC Sensor with NodeMCU ESP8266 and KiwisIoT
Project #28 β Sensors β Text to Speech β Mk32
Beyond the Weatherβ is a beginner-friendly IoT environmental monitoring project that combines the BMP280 sensor, NodeMCU ESP8266, and KiwisI
From Gas to Cloudβ demonstrates how an MQ-7 sensor and NodeMCU ESP8266 can bring gas-sensing data to an IoT dashboard