[elecena] Opencircuit Active 5V buzzer 3kHz - 5 pcs - zmiany ceny This buzzer generates a tone of approximately 85db (at a distance of 10 cm) when connected directly to a voltage between 4V and 8V. Because this buzzer actively generates a tone, no microcontroller is needed to make the buzzer sound. The buzzer consumes approximately 30 mA and has a tone frequency of approx 3 kHz. Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.49 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2025-01-22 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.38 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2025-04-28 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.52 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2025-04-30 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.38 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2025-10-13 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.52 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2025-10-15 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.49 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2026-02-20 Opencircuit Active 5V buzzer 3kHz - 5 pcs - 0.30 EUR https://elecena.pl/product/27738716/opencircuit-active-5v-buzzer-3khz-5-pcs 2026-04-11