Active/Passive Buzzer Module Low-Level Trigger Bee Narrator Control Board
ab 4,53 €
Must use 2K ~ 5K square wave to drive it. Activities or passive bee cryer module (select). Passive small board PCB size: 3.3cm . 3cm. Module: use 9012 triode driver. Active small board PCB size: 2.8cm . 3cm.
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