IR sensor tuned to 38KHz, perfect for receiving commands from a TV remote control. Runs at 5V (although it seems to be OK down to 3.3V)To use, connect pin 3 (all the way to the right) to 5V power, pin 2 (middle) to ground and listen on pin 1. It doesn’t do any decoding of the signal, just passes the ‘raw data’ along.
Have you ever want to DIY an Aquarium controllers to help you Changing the water for the fish tank. This mini pump really sucks! This pump operates at 3V~9V and has enough suction for most small projects. Use this pump to make a fountain or waterfall, even water your plants!