Session:Skull Radio Workshop/Build Instructions
Contents
[hide]Build Instructions
Solder Resistors
| R1 | 4.7kΩ | Yellow, Purple, Red |
| R2 & R3 | 10Ω | Brown, Black, Black |
Solder in R1, R2 and R3 in place. The resistors have no orientation.
Solder IC Holder
Solder the Integrated Circuit(IC) holder into IC1. Be careful to match up the notch on the IC holder to the notch on the lines marked on the PCB.
Solder the Ceramic Disc Capacitors.
There is only one ceramic disc capacitor. It should be soldered in to C1 on the PCB. The capacitor has no orientation. It can go in any way.The capacitor should be marked ‘473’.
Solder the Electrolytic Capacitors
The other two remaining capacitors are electrolytic capacitors. They both will have the value of 100uF. Place these two capacitors in to the board where it is labelled C2 and C3. This parts must go in the right way. The long leg is the positive and the short leg is the negative. Look closely at the PCB. ++ is mark where the positive leg goes and -- to mark where the negative leg goes.
Solder Battery Clip
The PP3 battery clip (9V) should be attached to the power connection. This is the central two pads and can be identified by the word “Power” on the PCB. Connect the red wire to ‘+’ and the black wire to ‘-’. The wires should be fed through the strain relief hole before being soldered into place.
Cut the Wire
Te kit comes with 0.5 m Jack Lead. Cut this wire in half, leaving you with one wire and another with the 3.5mm Jack on the end.
Solder the Jack Lead
Strip the insulation from the other end of the cable that has the Jack plug on. Solder these wires into the board where it is labelled ‘Input’. It doesn't matter which of the pair of wires goes into each of the two pads. The wires should be fed through the strain relief hole before being soldered into place.
Connect The Motor
Take the piece of wire that you previously cut from the jack lead and strip the ends of the wire. Solder one end to the two terminals on the motor and the other end to the board connection marked ‘Speaker’. It does not matter which way around these connections go. Again the wires should be fed through the strain relief hole before being soldered into place.
Connect The Metal Rod
Cut the plastic covering the terminal block connector. Place the motor shaft into one end of the block and tighten the screw. Place the metal rod into the other edit of the block and tighten the screw (It needs a bit of force).
Inserting The IC Into The Holder
The IC can now be put into the holder, ensuring the notch on the chip lines up with the notch on the holder.
