# '''Haut-parleur''': the simplest method is to use a loud noise. The piezo speaker does this well - you can output several tones or just an ear piercing tone. You can use an audio amplifier to make a louder sound. You will need to match the wattage of your speaker to that of the amplifier. Between the Trinket and amplifier ensure you do not input too much power or voltage. | # '''Haut-parleur''': the simplest method is to use a loud noise. The piezo speaker does this well - you can output several tones or just an ear piercing tone. You can use an audio amplifier to make a louder sound. You will need to match the wattage of your speaker to that of the amplifier. Between the Trinket and amplifier ensure you do not input too much power or voltage. |