New Products continued from page 23
VDD via jumpers, which make it easier to utilize the module
on CNC applications revolving around a PC parallel port.
Two variable resistors are in place to set the
Reference Voltage for current control and the Fast Decay
Percentage Ratio (PFD).
The module contains a dual set of power connectors.
The Motor Voltage can be connected through a screw-based power terminal or the corner mounting pads.
Stepper motors can be connected to the four pin header
connector or screwed to the four larger mounting holes.
Gerber files, bill of materials, and tutorials are free to
the public at the website below for interested parties.
For further information, please contact:
TOOLS AND TEST EQUIPMENT
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Logic Analyzer ‘Logic’ for $149
Saleae LLC introduces Logic, an eight channel USB
logic analyzer priced at $149. Logic features a top
sample rate of 24 MHz, software
protocol analyzers, an anodized
aluminum enclosure, and comes
with ultra-flexible hookup wire and
E-Z-Hook XKM Probes.
A logic analyzer’s job is to record
and then display high speed digital
data from a hardware device under
test. A user can then navigate the
data and see timing and protocol
information — communications
between different parts of the design.
This sort of information is invaluable
when debugging digital electronics.
With Logic, hobbyists, students,
technicians, and engineers can clip
probes onto the wires connecting
their various modules and circuits to
see the digital messages, including
possible problems. Logic analyzers
traditionally have been out of reach
of more budget-constrained enthusiasts, with stand-alone industry
units costing thousands of dollars.
Logic also incorporates analyzers
for the popular I2C, SPI, and serial
protocols. These protocol analyzers
can decode and display information encoded in the digital signals.
The Logic software can be
downloaded and tried for free
from the company’s website.
Other Jameco Advantages:
We offer over 300 Major Manufacturers
99% of catalog products ship the same day.
Lowest prices guaranteed, or we pay 10%.
Order 24 hours a day, 7 days a week
Or call 800-831-4242 anytime
SEMICONDUCTORS • PASSIVES • INTERCONNECTS • ELECTROMECHANICAL • POWER
For further information, please
SaleaLeLC Website: www.saleae.com
78 SERVO 09.2008