_gold-led-truck-flashing-in-time-to-music-mark-larkin-y4.jpg "Gold LED Truck flashing in time to music - Mark Larkin Y4 from npn transistor as a switch Video Screenshot Preview")
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⏲ Duration: 27 sec
✓ Published: 22-Feb-2010
✓ Published: 22-Feb-2010
Description:
Materials ListnnI needed headphones, 2 TIP 31 NPN transistors, 4 LED’s, soldering iron, switch, 9 volt battery, battery pack, children’s toy, electric wire, glue and aerosol spray paint.nnI obtained most of my materials from Maplins.nnMaplins did not have superbrite LED’s so I used normal LED’s as a replacement. Also superbrite LED’s are more expensive.nnThe 9 volt battery in Maplins was €15 euro but in Tescos I found a value 9 volt battery was €0.87 cent each.nnThe toy DJ decks ca
Materials ListnnI needed headphones, 2 TIP 31 NPN transistors, 4 LED’s, soldering iron, switch, 9 volt battery, battery pack, children’s toy, electric wire, glue and aerosol spray paint.nnI obtained most of my materials from Maplins.nnMaplins did not have superbrite LED’s so I used normal LED’s as a replacement. Also superbrite LED’s are more expensive.nnThe 9 volt battery in Maplins was €15 euro but in Tescos I found a value 9 volt battery was €0.87 cent each.nnThe toy DJ decks ca
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