Roger Frost: science, sensors and automation

Tagged: humidity sensor

science experiments

weather station

Weather station With a data logger several sensors can be used together to monitor the weather over periods lasting weeks. Suitable sensors include temperature, pressure, humidity, light or even a rotation sensor to check...

science experiments

burning a candle

Burning a candle As a candle burns oxygen is used and heat and water are produced. A few sensors can be used to monitor this process – including a light sensor to indicate when...

schools technology / science experiments

humidity sensor

A less widely used sensor that nevertheless shows interesting results when monitoring environments over time. Place one in a polythene bag with your hand, or a plant and see how the humidity changes. The...