IR is an infrared photoelectric tube unit, which integrates infrared emission and receiving tubes.<br> IR remote control is widely used in consumer electronics, it can be used to operate devices such as a television set, DVD player, or other home appliance, from a short distance.<br> Since this unit comes with emitter and receiver, you can practice not only on IR encode but also on IR decode.<br> infrared emitter(wavelength:940nm)<br> infrared receiver<br> Distance range: Less than 5m<br> Software Development Platform: for Arduino, for UIFlow(Blockly,Python)<br> Two Lego-compatible holes<br> Colour:White<br> Material:plastic<br> Cable color random, don't accept the specified color<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br> Package Contents:<br> 1 x IR Unit<br> 1 x Grove Cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.