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Next, we can solder the transistor. This amplifies the signal going to the speaker, because the processor itself can't provide enough power to drive it.
Next, we can solder the transistor. This amplifies the signal going to the speaker, because the processor itself can't provide enough power to drive it.
Align the flat side with the flat side of the symbol on the board.
[[Image:transistor_speaker.jpg|500px]]
[[Image:transistor_speaker.jpg|500px]]
Next, we solder in the socket for the processor.
This part has a large number of joints, so make sure it's in right before you start soldering!
On top, one end has a small notch in it. Align this with the matching symbol on the board.
[[Image:socket_top_side.jpg|500px]]
On the bottom, fold over 2 opposite corner pins to hold it in place.
[[Image:socket_corner_pins.jpg|500px]]
Making sure it is in all the way, solder these 2 corner pins.
Double check that the socket is all the way in, and oriented right. If it is, solder the rest of the pins.
[[Image:final_socket.jpg|500px]]