This sensor allows us to interact with the external environment, through intensity of light. The photoresistor is based on light resistance, it will sense the light and will allow the microcontroller ...

Here is the diagram of my Arduino infrared close proximity sensor. As you can see, the core part of my experimental setup is an Arduino UNO, but other compatible microcontrollers can also be employed.

Powered by an Arduino Uno, this laser tripwire alarm project ... servo motor to twist toward that light source. If the other photoresistor senses light coming from its respective direction ...

The build relies on an Arduino Uno as the brains ... [Maker 101] gave the Arduino an infrared sensor which can pick up signals from a simple IR remote control. It can be driven backwards and ...

the Arduino Nano and Uno come with several similarities, and conveniently, they can be used almost the same way. You can program them with the same software, and many sensors are compatible with ...