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LEDS1 MAIN BOARD PARTS LIST
The main board is the larger of the two. Sort and "check off" the components
in the boxes provided. We do our best to pack all our kits correctly but it is
possible that a mistake has occurred and we missed a part. Please note that
physical descriptions of parts are for those currently being shipped. Some-
times the parts in your kit may have a different appearance but still have the
same values.
RESISTORS
3
1K ohm resistor [brown-black-red] (R5,R6,R8)
5
10K ohm resistor [brown-black-orange] (R1,R2,R3,R4,R10)
1
22K ohm resistor [red-red-orange] (R9)
4
68 ohm resistor [blue-gray-black] (R12,R13,R14,R15)
2
100K ohm resistor [brown-black-yellow] (R17,R20)
2
300 ohm resistor [orange-black-brown] (R7,R16)
1
330 ohm resistor [orange-orange-brown] (R18)
1
470K resistor [yellow-violet-yellow] (R11)
1
100K potentiometer (R19)
CAPACITORS
4
.1 uF ceramic disc capacitors [marked 104] (C1,C2,C13,C14)
1
.1 uF electrolytic capacitor (C7)
4
.001 uF ceramic disc capacitor [marked 102] (C3,C4,C5,C6)
1
.47 uF electrolytic capacitor (C9)
2
1 uF electrolytic capacitor (C8,C11)
1
10 uF electrolytic capacitor (C12)
1
33 uF electrolytic capacitor (C10)
SEMICONDUCTORS
Note: Chips may have other numbers and letters on them; the important num-
bers are those listed in brackets.
2
NE555 timer [marked NE555] (U2,U3)
1
71F7034_H N channel power MOSFET [marked 71F7034_H] (Q1)
2
1N4002 silicon diode (D10,D11)
1
1N270 germanium diode (D12)
1
LM324 quad op-amp [marked LM324N] (U1)
1
7805 voltage regulator [marked 7805] (VR1)
MISCELLANEOUS
2
2.1mm power jack (J2,J5)
2
2.1mm power plugs
LEDS1• 7
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