Un buzzer, c’est bien. Deux buzzers, c’est mieux ! Plus sérieusement, un buzzer est un outil salvateur lorsqu’il s’agit de retrouver un appareil perdu. Il en existe un nombre impressionnant, l’un des plus efficaces étant sans doute le Beacon de ViFly. Mais si le volume sonore vous semble primordial, il y a le UR8 de UrUAV, ou plus récemment le FPV Duo, réalisé par HellGate en collaboration avec la Team BlackSheep. Son intérêt ? Il est équipé de 2 buzzers de 111 dB.
Le principe ?
Le volume sonore des deux ne se cumule pas, mais chacun est orienté dans une direction différente, ce qui permet d’avoir plus de chance de l’entendre. Il mesure 1,32 x 1,48 x 2,74 cm pour un poids de 5,8 grammes avec sa batterie intégrée. Il est donc autonome – il faut tout de même le souder à un +5V et GND pour l’alimenter. Il peut éventuellement être connecté en PWM sur une aile ou un avion. Il sera disponible à 33 € chez Studiosport, à partir du 25 octobre 2019 (taxes comprises).
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Deux valent mieux que un, mais dommage qu’il n’y a pas de buzzer avec des resonnateurs plus gros et auditivement plus puissants
Le professeur Tournesol à lancé sur le marché un kit double buzzers autonomes avec cornet d’oreille inclus 🙂
Ok je sors.. .
Bon vol!