文档介绍:3/4/2008 8:59 PM Page 1 8:59 PM 3/4/2008 Vol. 29 No. 4 NUTS & VOLTS HIGH VOLTAGE POWER SUPPLY • TAMING WALL WARTS • TRICK AN OP-AMP April 2008
Full 12/4/2007 4:26 PM Page 2
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SERIAL TO SOLUTIONS
Simple connectivity
for serial devices
Works out of the box -
no programming is required
Device P/N: SB70-100CR Customize to suit any
Kit P/N: NNDK-SB70-KIT application with low-cost
$69 SB70 development kit
2-port serial-to- server Features:
Q t y . 1 0 0
with TTL support 10/100
TCP/UDP mode
DHCP/Static IP Support
Data rates up to
Web-based configuration
Need a custom solution?
NetBurner Serial to
Development Kits are available
Device P/N: SB72-EX-100CR to customize any aspect of
Kit P/N: NNDK-SB72EX-KIT operation including web pages,
data filtering, or work
SB72EX $139 applications. All kits include
2-port serial-to- server platform hardware, ANSI C/C++
Qty. 100
with RS-232 & RS-485/422 piler, TCP/IP stack, web server,
e-mail protocols, RTOS, flash file
system, Eclipse IDE, debugger,
cables and power supply.
Device P/N: PK70EX-232CR Information and Sales |
Kit P/N: NNDK-PK70EX232-KIT
Web |
$269 PK70EX232 Telephone | 1-800-695-6828
4-port serial-to- server
Q t y . 1 0 0
with RS-232 support
TOC 3/5/2008 4:07 PM Page 6
APRIL 2008
Projects
32 HIGH VOLTAGE POWER SUPPLY UNIT
Build this stable HVPSU using a mix of old
and new technologies that you can incorporate
into other projects as a module.
■ By Peter Stonard
●●●● Advanced Level
44 HOUSEHOLD THERMOSTAT AND
HEATING/COOLING CONTROL
This is a PIC-based project which will allow
you to truly take control of your household
environment. The unit is very intuitive and
keeps track of tons of “cool” info.
■ By Chuck Irwin
●●●● Intermediate L