PIR sensors are more complicated than many of the other sensors explained in these tutorials (like photocells, FSRs and tilt switches) because there are multiple variables that affect the sensors ...

Arduino Sensor Interfacing (Flex sensor, IR Sensor, PIR ,BMP180, LM35, LM75 Refer below Tutorials for external sensor interfacing with Arduino - Visit for simillar ...

Have you ever wondered how speed guns measure the speed ... Normally these speed sensors work with radar or laser technology to bounce back radio waves or IR light from objects and calculate speed ...

One problem with a keto diet is the difficulty of measure how many ketones ... by just having you blow into a sensor. [Jens]’ device consists of an Arduino, LCD display, and two sensors ...

The UNO is one of the most popular boards in Arduino family and a great choice for beginners. Ultrasonic Sensor: These are the sensor that use ultrasonic waves to detect objects or to measure the ...