[elecena] 4 Channels IR Reflective Sensor - zmiany ceny This 4 channels IR reflective sensor includes 4 IR sensors and mainboard to handle all the signals. 4 Channels IR Reflective Sensor - 4.50 USD https://elecena.pl/product/6057596/4-channels-ir-reflective-sensor 2016-05-07 4 Channels IR Reflective Sensor - 1.80 USD https://elecena.pl/product/6057596/4-channels-ir-reflective-sensor 2025-12-18