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Microprocessor Circuits
Page 3 Microprocessors:
#'s A-BC-GH-L M-OPQ-ST-Z Last Updated on:
Monday, October 03, 2011 06:07 PM
Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
C function turns PC into serial bus master - 09/02/96 EDN-Design
Ideas....The UARTs built into most microcontrollers support a "9th-bit"
communications mode. If the master sets the 9th bit of a character it
transmits, the slaves then interpret that character as a slave address, not
as data. The 9th-bit mode simplifies master-slave communications by using
character protocols over multidrop serial lines, such as the RS-485. A PC's
UART family (for example, the 8251 or 16550), however,....[Design Idea by
Gregory Young, Z-World Engineering, Davis, CA]
C Program simulates industrial temperature system - 11/10/94 EDN-Design
Ideas The program in the ZIPfile attached to EDN BBS /DI_SIG #1621, written
in Borland C, simulates industrial-temperature-data display and control. It
displays four independent channels simultaneously…. [Design Idea by Jyoti
Vandana, World Friends Design Group Kalpakkam, Tamilnadu, India]
C186SBC - smaller than C188 but more powerful 16-bit data bus
built with 80C186EB. ….(electronic schematic added 06/09)
C188SBC - Build a generic microprocessor learning board, 16-bit single board
built with embedded microprocessor Intel 80C188EB. ….(Circuit design added
06/09)
C-52 Evaluation Board - This board uses 89C52 with a modified 8kB PAULMON2
monitor program, 32kB SRAM for writing application program. The C-52 EVB was designed
for studying "Assembly and C Language Programming for Microcontrollers". Latest PCB
file included. ….(design added 06/09)
C-52 EVB Robot Controller - Use a C-52 EVB for simple robot experiments.
Build a simple two wheels robot with L293 H-Bridge driver and IR sensor. Write a C
program controls robot tracked with black tape. (diagram added 08/08/08)
C52EVB V2.0 with 32KB eeprom boot loader - New Microprocesssor Learning
Board for 89C52 CPU with 32KB external eeprom. Modified PAULMON2 provides program
saving and boot loading. ….(Circuit design added 06/09)
Candle Simulator - It uses a PIC to simulate the flickering of a candle
entirely in software. The brightness of the lamp is controlled by doing PWM
(pulse width modulation) of the power to the lamp. A random number generator
controls the flickering amplitude.…. [Luhan Monat - Mesa Arizona]
Car Network Device - Our present car controller runs on a single PIC16F870
micro and provides functions for remote door locks, headlight reminder, and car
finder. It is constructed using wire-wrap to allow for future expansion and is
mounted using Velcro on the passenger side of the center console.…. [Luhan Monat -
Mesa Arizona]
Cat Toy - The PIC12F675 is small in size and low in power. It lends itself
to some really off-beat uses....[Luhan Monat - Mesa Arizona]
