Instructables

Step 2: Parts List

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Below are the parts listed by steps. I tried to lay them all out for reference in the pictures.

Resistors:
  • R1 - 82Ohm 1/2W (gray-red-black-gold)
  • R2 - 1.8KOhm 1/4W (brown-gray-red-gold)
  • R3 - 1KOhm 1/4W (brown-black-red-gold)
  • R4 - 240MOhm 4W (candy striped)
Diodes
  • D1, D2, D3, D4 - Diode 10KV 35MA
  • D5 - 1N4004
Integrated Circuits and Trim Pot
  • 8 pin IC Socket
  • IC1 - 555 IC
  • VR1 - 10K Trim Pot
Capacitors (part 1)
  • C5 - 100 uF Electrolytic
  • C12 - 1 uF Electrolytic
Capacitors (part 2)
  • C1 - 0.0047 uF Mylar (472)
  • C2, C4 - 0.01 uF Mylar (103)
  • C3, C6 - 0.1 uF Mylar (104)
Capacitors (part 3)
  • C7, C8, C9, C10 - 0.01 uF Discap (103)
  • C11 - 0.001 uF Discap (102)
Transformers and Transistors
  • T1, T2 - Transformers
  • Q1 - TIP 30
Wires
  • 9" Black Wire
  • 9" Red Wire
  • 8" Heavy Duty Wire, x2
  • R4 - 130KOhm (brown-orange-yellow-gold)
Laser Tube
  • HeNe Laser Tube
  • Solder Lugs x2 (optional)
 
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mazda49522 years ago
do i need a certain size of laser tube, or can i use any size?
XTL3 years ago
some of those capcitors must be rated at a very high voltage - please mention which ones.
Electorials3 years ago
It's really awesome!