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LABC1 • 10
PARTS SUPPLIED WITH YOUR LABC1 KIT
Capacitors
1 10 µF electrolytic capacitor [C2]
1 1000 µF electrolytic capacitor [C1]
Resistors and Potentiometers
1 0.47 ohm, 1 watt (yellow-violet-silver) [R6]
1 270 ohm (red-violet-brown) [R1]
3 820 ohm (gray-red-brown) [R3,7,9]
1 10K ohm (brown-black-orange) [R8]
1 18K ohm (brown-gray-orange) [R4]
1 PC mount 1K ohm potentiometer (marked 102) [R2]
Semiconductors and Integrated Circuits
11 1N4148 diodes (small glass diode) [D5,6,7,8,9,10,11,12,13,14,17]
4 1N4002 or 1N4004 diodes (black with white band) [D1,2,3,4]
1 221334 transistor (three leads TO-92 package marked 221334) [Q1]
2 JUMBO red LEDs [D15,16]
1 LM317 3 terminal adjustable regulator [VR1]
1 LM334 IC (three leads TO-92 package marked LM334) [U1]
Miscellaneous Components
1 2.1mm power jack [J1]
1 DPDT PC mount pushbutton switch [S1]
1 Heatsink [HS1]
1 #4-40 3/8” screw (for HS1)
1 #4-40 Kep nut (for HS1)
1 2 Screw terminal jack [J2]
2’ #24 AWG Dual (red & black) twisted hookup wire