[elecena] IR-Proximity Sensor Module - zmiany ceny IR sensor module, obstacle sensor Adjustable with Poti and LM393 Operating Voltage 3.3 V - 5 V IR-Proximity Sensor Module - 3.38 EUR https://elecena.pl/product/17485418/ir-proximity-sensor-module 2021-03-29 IR-Proximity Sensor Module - 3.44 EUR https://elecena.pl/product/17485418/ir-proximity-sensor-module 2025-06-20