[elecena] HC-SR04 Ultrasound Module - zmiany ceny HC-SR04 ultrasonic Sensor Working voltage: DC3-5.5VQuiescent current: less than 2mASensing angle: not more than 15 degreesDetection range: 2cm-450cmHigh precision: up to 0.3cm HC-SR04 Ultrasound Module - 3.32 EUR https://elecena.pl/product/17485415/hc-sr04-ultrasound-module 2021-03-29 HC-SR04 Ultrasound Module - 3.20 EUR https://elecena.pl/product/17485415/hc-sr04-ultrasound-module 2021-12-09 HC-SR04 Ultrasound Module - 3.32 EUR https://elecena.pl/product/17485415/hc-sr04-ultrasound-module 2023-08-09 HC-SR04 Ultrasound Module - 3.57 EUR https://elecena.pl/product/17485415/hc-sr04-ultrasound-module 2025-06-16