ok, ordered my first batch of stuff. Couldnt get the transistor from this site as they were out of stock. Everything else will probably come from amazon.
All from Farnell.co.uk
IR Positioning Camera, For Arduino Development Boards
3517916 SEN0158 £18.99 1 £18.99
Power MOSFET, N Channel, 100 V, 36 A, 0.044 ohm, TO-220AB, Through Hole
8651078 IRL540NPBF £1.66 1 £1.66
Standard Recovery Diode, 50 V, 1 A, Single, 1.1 V, 30 A
2889052 1N4001-E3/54 £0.284 5 £1.42
Through Hole Resistor, 1 kohm, R Series, 250 mW, ± 0.1%, Axial Leaded, 500 V
1083251 YR1B1K0CC £0.639 1 £0.64
Through Hole Resistor, 100 kohm, R Series, 250 mW, ± 0.1%, Axial Leaded, 250 V
1083469 YR1B100KCC £0.639 1 £0.64
Through Hole Resistor, 270 ohm, ROX Series, 1 W, ± 5%, Axial Leaded, 350 V
1738579 ROX1SJ270R £0.144 1 £0.14
Ceramic Disc Capacitor, 0.1 µF, 50 V, +80%, -20%, Y5V, 5 mm, Radial Leaded (frustratingly you had to buy a min of 10)
9411887 MCFYU6104Z6 £0.186 10 £1.86
Infrared Emitter, High Power, 25 °, T-1 (3mm), 100 mA, 1.35 V, 940 nm, 800 ns (bought 15 to give me 3 spares)
Date/Lot Code
1045420 TSAL4400 £0.388 15 £5.82
Through Hole Resistor, 10 ohm, R Series, 250 mW, ± 0.1%, Axial Leaded, 250 V (For the 3 led clusters (1.35v at 100ma))
1083036 YR1B10RCC £0.639 1 £0.64
I have some electronics knowledge but if anyone spots something wrong then please let me know.