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12.  (    )    Strip  all  insulation  from  a  2”  piece  of

  wire.  

Connect  one  end  to  transformer  T1  Pin  5 and solder.  
Connect  the  other  end  to  the  positive  (+)  battery 
terminal and solder. 
 

 

 

13.  (    )        Insert  rectifier  D1  as  shown in  the  pictorial 
diagram.    Note  the  color  band  on  the  rectifier  which 
indicates the direction in which that the rectifier should 
be  installed.    Attach  the  Anode  of  rectifier  D1  to 
transformer T1 Pin 2 and solder. 
 
14.  (    )    Insert  4.7  Meg  resistor  R1  as  shown  in  the 
pictorial  diagram.    Connect  one  lead  to  the  Cathode 
lead of rectifier D1 and solder. 
 
15.  (    )    Insert  4.7  Meg  resistors  R2  through  R5  as 
shown in the pictorial diagram. 
 

16. (  )  Remove all insulation from a 3” piece of wire.  

Connect to 4.7 Meg resistors R1 through R5 as shown 
and solder each resistor lead to the wire. 
 
All construction up to this point is identical for operation 
either  as  a  sequential  blinker  or  a  random  blinker.    If 
you wish to have your unit operate as a random blinker, 
follow  the steps  below.    If  you  wish  to  have  your  unit 
operate  as  a  sequential  blinker,  follow  the  steps  and 
the diagram on page 5. 
 
17a. (  )  Insert an NE2-1 neon lamps as shown in the 
pictorial diagram.  Connect one lead to 2.7 Meg resistor 
R1. 
 
18a. (  )  Insert an NE2-2 neon lamps as shown in the 
pictorial diagram.  Connect one lead to 2.7 Meg resistor 
R2. 
 
19a. (  )  Insert an NE2-3 neon lamps as shown in the 
pictorial diagram.  Connect one lead to 2.7 Meg resistor 
R3. 

 
20a. (  )  Insert an NE2-4 neon lamps as shown in the 
pictorial diagram.  Connect one lead to 2.7 Meg resistor 
R4. 
 
21a. (  )  Insert an NE2-5 neon lamps as shown in the 
pictorial diagram.  Connect one lead to 2.7 Meg resistor 
R5. 
 
22a. (  )  Insert .22 MFD capacitor C1 as shown in the 
pictorial diagram.  Connect one lead to the junction of 
NE2-1 and R1 and solder. 
 
23a. (  )  Insert .22 MFD capacitor C2 as shown in the 
pictorial diagram.  Connect one lead to the junction of 
NE2-2 and R2 and solder. 
 
24a. (  )  Insert .22 MFD capacitor C3 as shown in the 
pictorial diagram.  Connect one lead to the junction of 
NE2-3 and R3 and solder. 
 
25a. (  )  Insert .22 MFD capacitor C4 as shown in the 
pictorial diagram.  Connect one lead to the junction of 
NE2-4 and R4 and solder. 
 
26a. (  )  Insert .22 MFD capacitor C5 as shown in the 
pictorial diagram.  Connect one lead to the junction of 
NE2-5 and R5 and solder. 
 
27a. (  )  Remove 2-

1/2” insulation from one end of a 7

-

1/4” piece of wire.  Remove 2

-

1/2” insulation from the 

other end of the wire. 
 
28a. (  )  Insert the wire into the perfboard as shown in 
the pictorial diagram.  Connect one end to transformer 
T1 Pin 1 and solder.  Connect the other end to NE2-1 
through  NE2-5,  and  C1  through  C5,  and  solder  all 
leads. 
 
Note:  Clip all extra wires at the soldered points. 
 
You  have  completed  all  connections,  both  wiring  and 
soldering.  Carefully double check the work against the 
pictorial diagram. 

 

 

CATHODE

ANODE

COLOR BAND

Summary of Contents for Science Fair Goofy-Lite 28-130

Page 1: ...n circuit This oscillator circuit converts the direct current coming from the battery to an alternating current The transformer then steps up the alternating 6 volt current to almost 200 volts at the transformer s secondary stage This voltage is high however the current very low and is not dangerous in any way The voltage then passes through the resistors R1 R5 and is stored in the capacitors C1 C...

Page 2: ...FS1 4CT52R475J 0 15 ea 1 10K Resistor R6 660 CFS1 4CT52R103J 0 15 1 15 Ohm Resistor R7 660 CFS1 4CT52R150J 0 17 5 NE2 Neon Lamp 606 A1A 0 28 ea 1 Battery Holder 12BH348 GR 1 28 2 Battery terminal block 534 8730 0 31 ea 1 Project case 546 1591GS BK 5 13 1 Perf Board 589 7100 45 4 99 1 22 Ga Solid Hookup Wire Black All part numbers and prices listed above are from Mouser as of March 2016 RECOMMENDED...

Page 3: ...rmer T1 Pin 4 and then solder the other end to transformer T1 Pin 5 5 Insert the negative and positive battery terminals into the perfboard positions indicated in the pictorial diagram If the battery terminals are loose in the perfboard apply a small blob of solder to keep them from falling out E B C 6 Mount transistor Q1 as shown in the pictorial diagram and compare with the diagram above Note th...

Page 4: ... Insert an NE2 3 neon lamps as shown in the pictorial diagram Connect one lead to 2 7 Meg resistor R3 20a Insert an NE2 4 neon lamps as shown in the pictorial diagram Connect one lead to 2 7 Meg resistor R4 21a Insert an NE2 5 neon lamps as shown in the pictorial diagram Connect one lead to 2 7 Meg resistor R5 22a Insert 22 MFD capacitor C1 as shown in the pictorial diagram Connect one lead to the...

Page 5: ... each connection 23b Insert 22 MFD capacitor C2 as shown in the pictorial diagram Connect one end to NE2 2 and the other end to NE2 5 Solder each connection 24b Insert 22 MFD capacitor C3 as shown in the pictorial diagram Connect one end to NE2 2 and the other end to NE2 4 Solder each connection 25b Insert 22 MFD capacitor C4 as shown in the pictorial diagram Connect one end to NE2 1 and the other...

Page 6: ...blink The sequential lights will change direction if you disconnect and connect the battery The lights have other interesting effects They seem to blink faster in the absence of light They seem to blink faster of they are touched on the side with your finger It is possible to extend the leads of the neon lamps so that they can be mounted through any type of cover you might wish to construct This u...

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