28138 Parallax Inc, 28138 Datasheet
28138
Specifications of 28138
Related parts for 28138
28138 Summary of contents
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... RS-232 DCE port with MAX232E transceiver 2 ® • DS1307 ( real-time-clock with 3v back-up battery (pre-installed) © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 599 Menlo Drive, Suite 100 General: info@parallax.com Rocklin, California 95765, USA Technical: support@parallax.com Office: (916) 624-8333 Web Site: www.parallax.com Fax: (916) 624-8003 Educational: www ...
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... A. 2.1 mm power connection (center positive VDC) B. Power switch C. BS1-IC, BS2-24, BS2-40, and Javelin Stamp sockets D. USB programming connection E. DB-9 (serial) programming connection F. BS1 Serial Adapter connection G. SX28AC/DP socket H. SX-Key programming connection 2 © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 ...
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... The purpose of the VIN terminal is to provide +12 volts (the typical input voltage to the PDB) to external devices like relays, incandescent lamps, and stepper motors that are control via the L293D push-pull driver. © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 ® products; is there anything else I’ll need? ...
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... Serial Adapter (#27111, available separately) or the original parallel port programming cable (requires DOS editor that is no longer supported). Note: The BS1-IC module may be used in conjunction with an installed SX28AC/DP micro. 4 Using 24-guage solid wire (also suggested for circuit DB-9 BS1-SA © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 SX-Key ...
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... CAUTION: The SX28AC/DP micro must be removed before installing and using the BS2p40. Having both modules installed at the same time could cause an I/O pin conflict that could lead to damage to one or both of the modules. © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 DB-9 BS1-SA ...
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... M10 M11 M12 M13 RB2 RB3 RB4 RB5 RC2 RC3 RC4 RC5 A10 A11 A12 A13 P10 P11 P12 P13 © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 M14 M15 RB6 RB7 A6 A7 RC6 RC7 A14 A15 P14 P15 ...
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... Potentiometer (X5 and X6) Two 10 kΩ potentiometers are provided via X5 and X6. A 220 Ω series resistor is placed inline with the wiper connection to prevent an I/O pin from being connected directly to Vdd or Vss. © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 7 ...
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... V+ terminal. When the enable inputs are high the outputs will follow the inputs, otherwise the outputs will Hi-Z state. See the L293D documentation (available separately) for additional details on use and configuration. 8 © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 ...
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... The RJ-11 connector may be configured for both X-10 output and Maxim/Dallas 1-Wire I/O. For X-10 output when using a PL-513 or TW-523 interface, configure the RJ-11 port as follows (J2 in, J3 out): For 1-Wire I/O using a Blue Dot Receptor, configure the RJ-11 port as follows (J3 in, J2 out): © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 9 ...
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... In addition to the SDA (serial data) and SCL (serial clock) connections, the SQW (programmable square wave output) is provided at X14 protocol which is directly supported by the © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 The 2 C routines ...
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... Stamps In Class books • StampWorks • BASIC Stamp manual and online help file • Javelin Stamp manual • SX/B online help file • Nuts & Volts magazine “Stamp Applications” column (reprints) © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 11 ...
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... PL-513 X-10 Powerline Interface 12 #BS1-IC #BS2-IC #BS2E-IC #BS2SX-IC #BS2P24-IC #BS2P40-IC #BS2PE-IC #BS2PX-IC #020-78267 #JS1-IC #SX28AC/DP #250-05060 #250-02060 #250-04050 #750-00007 #750-00008 #750-00008 #805-00006 #800-00003 #27111 #552-00007 #603-00006 #900-00005 #900-00008 #27976 #27977 #28015 #27964 #805-00004 #27940 © Parallax, Inc. • Professional Development Board (#28138) • 06/2005 ...