THE CURE FOR ALL DISEASES
Hints for absolute novices: Don't let unusual vocabulary
deter you. A “lead” is just a piece of wire used to make connec-
tions. When you remove a component from its package, label it
with a piece of tape. A serrated kitchen knife works best as does
a large safety pin. Practice using the microclips. If the metal ends
are L-shaped bend them into a U with the long-nose pliers so they
grab better. Chips and chip holders are very fragile. It is wise to
purchase an extra of each in case you break the connections.
R1 1K
R2 3.9K
R3 1K
R4 3.9K
C1 .01ìf
C2 .0047ìf
U3 MC14 55
LED1 2 ma LED Red
Pin 1 ground
pin 8 power
Give this to an electronics person or make it yourself in a shoebox by
using the following instructions.
Fig. 3 Zapper schematic..........................................................................
9 volt battery clips 270-325 (set of 5, you need 1)
On-Off toggle switch 275-624A micro mini toggle switch
1 KΩ resistor 271-1321 (set of 5, you need 2)
3.9 KΩ resistor 271-1123 (set of 2, you need 2)
low-current red LED 276-044 or 276-041 or 276-045
.0047 uF capacitor 272-130 (set of 2, you need 1)
.01 uF capacitor 272-1065 (set of 2, you need 1)
555 CMOS timer chip 276-1723 (set of 2, you need 1)
8 pin wire-wrapping socket for
the chip276-1988 (set of 2, you need 1) Note: Radio
Shack is discontinuing all wire wrap sockets.
Find another parts store or use 276-1995 (but the
legs are much shorter and harder to attach clips
to).
short (12”) alligator clip leads any electronics shop, get 6
Microclip test jumpers 278-017 (you need 2 packages of 2)
2 bolts, about 1/8” diameter, 2”
long, with 4 nuts and 4 washershardware store
2 copper pipes, ¾” diameter, 4”
longhardware store
sharp knife, pin, long-nose pliers