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Integrated Circuits
74LS27 INTEGRATED CIRCUIT
14 pin Triple 3-input NOR gate. The 74LS series of bipolar digital integrat-
ed circuits have been the workhorse of digital circuits for more than two
decades. Unused.
R1451 $0.19 or 10 for $1.70
74LS74 INTEGRATED CIRCUIT
14 pin Dual D-type flop-flop w/preset and clear. The 74LS series of bipolar
digital integrated circuits have been the workhorse of digital circuits for
more than two decades. Unused.
R1453 $0.19 or 10 for $1.70
Kits
VARIABLE RATE STROBE KIT
Includes P.C. board, components, flash tube, and
instructions for building this solid state variable rate
strobe kit. Flash rate 60 to 120 per minute. Unit can
operate with standard "C" batteries (not included) on
12VDC or 6VDC depending on how you decide to wire it.
Constructed on a PC board 4-1/4" x 2-7/8" with 4 holes
for mounting in your enclosure. Full instructions includ-
ed for easy assembly.
K1001 $8.50
BIPOLAR 12VDC STEPPING MOTOR AND DRIVER KIT
Kit contains all necessary components including stepping
motor to construct this versatile solid state unit. Ideal
for the beginner or robotics enthusiast to obtain the
necessary theory and stepping motor operation tech-
niques. Kit features operation from 12 VDC +-5%, bat-
tery or power supply capable of 1 Amp or better (power
source not included), on-board controls and switches
for 1/2 step, full step, single step, CW, CCW rotation, speed control, run
and hold. Unit uses a 4 leaded bipolar motor. Also contained are LEDs which
show phase sequencing. Driver unit is constructed on a PC board (size 4" x
3"). Complete with all components, motor and detailed instructions.
K1003 $19.95
Integrated Circuits - Page 61
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