» Mot-clé : GM380

Mise à jour du firmware d'une radio GM340, GM360 et GM380

Le titre de ce court billet est suffisamment clair. Toute la procédure est détaillée dans le fichier accessible ci-dessous:

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Motorola Waris series S-meter

MotorolaGM380SMeterZoom.jpgAlthough the following design is not revolutionary at all, it still has the benefit of fulfilling its primary function and bringing back memories of electronics courses about op amps. Moreover, it does not need any specific measuring tool for the calibration process. You'll need something to generate a strong RX signal though, like your kid's PMR talkie-walkies, in order to set the full range signal reading.

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