Determine the concentration of propane, butane, methane and coke oven gas
A low-end hygrometer based on DHT-11 for ±2 °C temperature measurements
Detects white or black/nothing in a few millimeters behind the sensor and reports them as simple HIGH or LOW
Make weather forecasts or measure altitude changes
A simple thermometer that carries its ±1 °C measures in the signal voltage
Tells whether a magnet is within a few centimeters, how strong its field, and what pole is exposed
Detects white, black, and shades of gray in a few millimeters ahead of the sensor
The sensor will tell you is it sunny, dusk, or night
Three axis, three analog outputs to detect shakes, flips, and tilts
All the sensors to understand your device orientation in the 3D space: an accelerometer, gyro, magnetometer, and barometer
Measure up to 8 G dive or use it as a tilt sensor
Shows you the course by measuring Earth’s magnetic field
Detect touches with no mechanical parts, even through a plastic or glass layer