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Things you need 38 Miniature radio
Battery and lamp loudspeaker unit
General instructions 52 How diodes work
2 other sections not shown
4.5 volt battery 4.5V battery 9 volt battery aerial break the track brown build the projects bulb centre leg circuit diagrams clip connector coloured stripes connect the battery crocodile clip Crystal earpiece current can flow current flows draw a grid electric current electric wire electrolytic capacitors electronic components FAULTS CHECKLIST FIX WIRES flow of electrons glue goes in holes Label the tracks lamp holder leg nearest metal loop miniature loudspeaker nearest the tag negative battery terminal negative leg negative terminal ohms picture piece of wire pins in holes plainside plug positive charge Pot plant tester probes put the legs radio reed switch resistance resistor orange resistor red round series circuit Shaky hand game shown shows Solder the wires soldering iron sticky tape stranded wire striped end sure THERMISTOR track in hole Transistor type tube unscrew variable resistor Veroboard violet voltage wire link Wire strippers wires to pins