The GP1UE271 from Sharp is a 3V infrared remote control receiver that operates at a 38kHz frequency. If you're working on projects involving remote controls or need to integrate infrared sensing capabilities into your designs, this series is a solid choice. These receivers are commonly found in home automation systems, consumer electronics, and remote control applications where cost-effective and reliable infrared detection is needed.

One thing worth noting is their robust performance in noisy environments. The 38kHz frequency helps minimize interference from other infrared sources, making them a reliable option for applications where background noise might otherwise cause issues. Additionally, the low power consumption and small form factor make them ideal for battery-powered devices where every milliamp counts. Engineers tend to reach for this when they need a straightforward solution for infrared reception without the complexity of more advanced components.