38 KHz IR Tranciever Module

This is an IR Tranciever Module operates in 38 KHz frequency. It gives logic 0 output when it detects an object within 2-40cm range. It can be used with 3.3V or 5V systems. You can set frequency and distance via the trimpot on the board. You must activate the module by drawing the EN pin to GND or short-circuiting the 2 pins on the board. You can connect 3.3V or 5V to Vcc pin. GND pin is ground connection and OUT pin is digital data output. The module has TSOP4038 as IR receiver.