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SPI Flash MicroController
Programmer V3.7 - new hardware and software for
programming 89Sxx and AVR chips. Designed by Mohammad Asim Khan. . . . [Wichit Sirichote, designer]
SPI Interface Big 7-Seg LED - Easy build and use, the general purpose Big LED with SPI serial interfacing. Expandable for
multiple digits but still uses only three wires for receiving data from any uC boards. . . [Wichit Sirichote,
designer]
SPI2CF, a fast and efficient WLAN
interface for the AVR - Microcontroller based electronic
circuit. . .
Steam
Sound - . . . [Collin Mitchell's web site]
Stepper motor controller - . . . [by IQ Technologies Industry, unless otherwise noted online]
Stepper motor controller for
PC parallel port - . . .
Stepping Motor Driver - Minimalist circuit uses one CMOS gate and is reversible . . . [Circuit by Stepan Novotill]
STK 500 Development
board - Control AVR microcontrollers via Visual Basic
software. You can use some development board like MCU 100, STK200, STK500 or build your own board, following
the schematic. . .
STK200/STK300 ISP Header - Pin diagram of STK200/STK300. Note for MEGA103 ISP signal. . . . [Wichit Sirichote,
designer]
Storage Area Network
SAN - Application Block Diagram. . . [Intersil]
Storage Cd - Fairchild App Note. . .
Student DC power supply - Build a simple DC supply having three output terminals: regulated +5VDC, unregulated +10VDC
and 7. 5VAC. The supply is suitable for microcontroller experimenting. . . . [Wichit Sirichote, designer]
Substituting the RC5051 for the RC5050/
AB-10 - Fairchild App Note. . .
Summary of Well Known Interface StandarDS - Designing an interface between systems is not a simple or straight-forward task. Parameters
that must be taken into account include: data rate, data format, cable length, mode of transmission, termination,
. . . [National Semiconductor]
Sun Type 5 keyboard on the PC - Presented here is a simple micro-controller device that will talk to the Sun keyboard and
the PC's keyboard interface and convert between the two. You can now throw away those nasty cheap PC keyboards
and use a real keyboard on your PC. While the original schematics seem to indicate that it converts the Sun mouse
to a serial PC mouse, it does not work for me. . . [Jonathan A. Buzzard]
Sunvisor-integrated GPS navigator - We decided not to get the built-in GPS navigation for the Mini Cooper because it is awfully
expensive and from the reviews, it looks like it isn't very good. I commited myself to install a TomTom navigator
in the car, and it should be better, cheaper, and should look like a factory option. . . . [Roberto Barrios
EB4EQA]
Supervise
and Power-Sequence An SOC - 05/13/10 EDN Design Idea
Microprocessors, microcontrollers, and SOCs (systems on chips) often need a reset pulse to initialize properly.
Many of these devices also use separate I/O- and core-voltage supplies. When you use multiple supplies, you must
turn . . . [by Eric Schlaepfer, Maxim Integrated Products, Sunnyvale, CA]
Suppressing MOSFET Gate Ringing in
Converters: Selection of a Gate Resistor/ AB-9 - Fairchild
App Note. . .
S-video to composite video adapter - This simple adapter can be used to convert Y/C video (S-video) to a composite video. This
adapter is useful in cases where your video output device has only S-video output but your signal source accepts
only composite video input. This circuit works with both PAL and NTSC video standards. . . . [Tomi Engdahl's
web]
Switch Debouncer - This circuit will remove the transient spikes and contact bounces from a non-latching push
button switch. . . [Circuit Design by Andy Collison]
Switching RGB Video between Monitor &
TV using Pi5V330 - Application Brief # 010. . . [Pericom
Semiconductor]
SWTP PR-40 Printer Interface Schematics - . . .
Synchronizing
Controller detects baud rate - 03/02/98 EDN Design Idea
A simple and inexpensive implementation using an eight-pin 12C508 controller(Microchip Technology, Chandler, AZ]
provides both bit-rate detection and a synchronous, appended-clock output from an asynchronous input-data
stream(Figure 1a]. File contains many circuits, please scroll to find this one. . . [by William Grill, Riverhead
Systems, Littleton, CO]
System Level Design Considerations When Using I2c Serial EEPROM Devices - Application Note Published 29-Jul-04. . . [Microchip]
System's real-time clock "hides" a code sequence - 10/27/05 EDN Design Idea Keep key code sections protected from prying users. . . [by
Mihaela Costin, Delmhorst Instruments, Towaco, NJ]
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