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Step 3Installing the amp and battery
The amp was screwed on to the board, and the wires to the speaker connected to one of the outputs.
Now would be a good time to talk about the fact there is only one speaker. This cheap amp can't be bridged, so only one channel is being used. Because one shouldn't really leave a channel without a load on it, I will put a LED or bulb on this channel, to use up the current.
And to get around the fact that just the left or right channel is going to be heard, I will use a mono 3.5mm jack coupler to merge both the left and the right channel into eachother to create both stereo signals on each channel.
To install the battery, which I wanted to keep upright, I placed it on the mounting board and then glued and screwwed scrap pieces of wood around to keep it in place. It shouldn't come up over the scraps of wood because the battery is heavy, but I can strap it down with a piece of bungee if needsbe.
Now would be a good time to talk about the fact there is only one speaker. This cheap amp can't be bridged, so only one channel is being used. Because one shouldn't really leave a channel without a load on it, I will put a LED or bulb on this channel, to use up the current.
And to get around the fact that just the left or right channel is going to be heard, I will use a mono 3.5mm jack coupler to merge both the left and the right channel into eachother to create both stereo signals on each channel.
To install the battery, which I wanted to keep upright, I placed it on the mounting board and then glued and screwwed scrap pieces of wood around to keep it in place. It shouldn't come up over the scraps of wood because the battery is heavy, but I can strap it down with a piece of bungee if needsbe.
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