Here is the diagram of my Arduino infrared close proximity sensor. As you can see ... the circuit consists of two more primal parts – an infrared emitter and an infrared receiver, which are as follows ...

When an LED (IR or otherwise) is reverse biased it can act as a light sensor. The main difference ... a more common modulated IR receiver module. All of the Arduino code you need to get up ...

Arduino is a great way for today’s novices to start ... Looking at the schematic, it looks like using the DS18B20 temperature sensor (and the infrared receiver module) requires a bit of research. As ...

An IR transmitter/receiver pair are positioned on either side of the fan. When the blade passes in between then, the receiver shuts off a transistor connected to one of the Arduino’s external ...