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The MAX555 PLCC to TQFP
Printed Circuit Board PC B Layout Guidelines - App Note/
1120 / Jun-09. . . [Maxim Integrated]
The PICMICRO MCU as an IEEE 1451.2 Compatible Smart Transducer - Application Note Published 26-Jul-00. . . [Microchip]
The Practical Limits of RS-485 - Application Note. . . [National Semiconductor]
The Relay Sub Board - Use nine pieces of hookup wire (or a piece of ribbon cable) to connect corresponding points
on the I/O Demonstration Board to the Relay Sub Board. Connect 12 volts DC (smoothed) to the power input points
on the I/O Demonstration Board. Solder in as many relays as you intend to use, each with its associated LED,
resistor and 1N914 signal diode. . . . [by IQ Technologies Industry, unless otherwise noted online]
The RS-232/DALI Bridge Interface - Application Note Published 26-Apr-02. . . [Microchip]
The Simplified I/O Interface - This was the first of the interface boards developed in conjunction with members of the
Educational Computing Association of Western Australia (ECAWA). This board follows on from the "Simplified Output
Interface". We wanted to be able to experiment with the input lines using a battery powered interface. Everything
has been compacted to keep the board costs to a minimum. . . . [by Jim Fuller]
The Use of Zetex E-Line Transistors In
Motor & Solenoid Driver Functions Within Printers: Effective Logic to High Current Load Interfacing - Zetex SemiconductorsApplications Notes A brief discussion of the drive requirements of
relatively high current inductive loads within computer peripheral equipment, with respect to the benefits
possible with optimised small packaged components. . . .
The Wire Between
Multiio Card & Joystick Connector - Some PC multi-IO cards
have a 16 pin header in the circuit board which is wired to the joystick connector (fitter to other slot place)
using flatcable. The wiring is straight one-to-one connection but, due to the different numbering scheme of the
gameport connector vs the 16-way header, the pin numbers don't necessarily match (pin 16 in header is ocource lef
not connected because joystick connector has only 15 pins) (Design Idea 07/03) . . .
Theory & Application of the ML4821
Average Current Mode PFC Controller/AN-42030 - Fairchild
App Note. . .
Thermal/ Impact Printer - Application Block Diagram. . . [Intersil]
Thermistor Thermometer - Simple thermometer made with NTC thermistor. . . . [Wichit Sirichote, designer]
Thermocouple Interfaces to Serial Port - 11/09/95 EDN Design Idea The circuit in Figure 1 acquires temperature data via an IBM PC
serial port using a thermocouple-based sensor. The sensor is a type-K (chromel-alumel]thermocouple. When in
contact, the dissimilar metals produce a potential differe. . . [by Daniel Segarra, Sipex Corp Billerica, MA]
Thermometer Based on Dallas DS1621 - Since I have no time to build a million pc THERMs, I give you the plans and the software to
build one on your own. This project is easy enough for beginners, the only difficulties possibly arising from
serial port hardware incompatibility from PC to PC. In the single-sensor version, you need only the sensor IC, a
voltage regulator and and handful of diodes and resistors. Build it, and learn the secrets of IIC bus, how to
implement IIC bus using only two resistors and a couple of zeners, how to drive it on a serial port using Visual
Basic. . . [Alberto Ricci Bitti]
Three Port PC i Bridge Performance
Advantages - Application Note # 040. . . [Pericom
Semiconductor]
Three
Wire RS232 to RS485 Converter - . . .
Three-State Switch Interface Uses One Microcontroller Pin - 02/21/08 EDN Design Idea A single microcontroller I/O pin senses the state of a
three-position switch. . . [by Kartik Joshi, Netaji Subhas Institute of Technology, New Delhi, India]
TiltStick, a motion sensing device
(USB interface to accelerometer) - . . .
Time Switch V1.0 - New weekly scheduler made by 68HC908QY4 with kaypad and 16x1 line LCD! (not recommended). .
. [Wichit Sirichote, designer]
Timing Analysis of Synchronous & Asynchronous
Buses - Application Note. . . [National Semiconductor]
Tiny Server - The device that converts RS485 and RS232 to the ethernet LAN has been developed. The device
was built with the Lantronix XPort embedded ethernet server and the industrial standard differential RS485
transceiver, 75176 and the single-end RS232 driver, MAX232. The XPort module provides 10/100 ethernet port and
the +3V logic UART. The 75176 and MAX232 are +5V TTL logic. . . [Wichit Sirichote, designer]
TM-441 9600bps packet
modification - Schematic only. . . [by Guy Roels ON6MU]
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