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Jet – Circuit Schematic
Jet
The microcontroller is able to make about 7000 complete line-following decisions per second, which is almost 7 decisions per millimeter when the robot is going ...
Bugdozer – Circuit Schematic
Bugdozer
Bugdozer is an autonomous mini-Sumo robot. Her main board consists of a MC68HC908GP32 microcontroller along with input/output support chips, a voltage regulator...
Bugdozer – Circuit Schematic
Bugdozer
Bugdozer is an autonomous mini-Sumo robot. Her main board consists of a MC68HC908GP32 microcontroller along with input/output support chips, a voltage regulator...
Trimming the Internal Clock Generator on the 68HC908KX8 Microcontroller – Circuit Schematic
Trimming the Internal Clock Generator on the 68HC908KX8 Microcontroller
One of the nicest features of the 8-bit KX8 microcontroller (manufactured by Freescale Semiconductor) is that it includes an internal clock generator (ICG). Thi...
Trimming the Internal Clock Generator on the 68HC908KX8 Microcontroller – Circuit Schematic
Trimming the Internal Clock Generator on the 68HC908KX8 Microcontroller
One of the nicest features of the 8-bit KX8 microcontroller (manufactured by Freescale Semiconductor) is that it includes an internal clock generator (ICG). Thi...
Build a PIC controlled DDS VFO, 0 to 6 MHz – Circuit Schematic
Build a PIC controlled DDS VFO, 0 to 6 MHz
Almost any 2x16 character LCD module with Hitachi HD44780 controller chip will work. The LCD pin numbers on the schematic are not valid for all LCD modules. Ple...
Build a PIC controlled DDS VFO, 0 to 6 MHz – Circuit Schematic
Build a PIC controlled DDS VFO, 0 to 6 MHz
Almost any 2x16 character LCD module with Hitachi HD44780 controller chip will work. The LCD pin numbers on the schematic are not valid for all LCD modules. Ple...
Servo pulse to PWM converter – Circuit Schematic
Servo pulse to PWM converter
The circuit presented on this page attemps to be an interface to convert pulses such as provided by a Basic Stamp or R/C receiver to a dual PWM(Pulse Width Modu...
Servo pulse to PWM converter – Circuit Schematic
Servo pulse to PWM converter
The circuit presented on this page attemps to be an interface to convert pulses such as provided by a Basic Stamp or R/C receiver to a dual PWM(Pulse Width Modu...
Handy Cricket Hardware Description – Circuit Schematic
Handy Cricket Hardware Description
This document presents an overview of the hardware design of the Handy Cricket....
C-52EVB Robot Controller – Circuit Schematic
C-52EVB Robot Controller
The MiniBoard, a Motorola 68HC11 Robot Controller board designed by Fred G. Martin, also uses this driver. The day after, I then decided to prepare the page des...
AVR Robot Board – Circuit Schematic
AVR Robot Board
The Atmel AVR series are very good microcontrollers with quite a rich instruction set, rich enough that lots of folks have good compilers for them so we don`t h...
Cheap DSP Experiments – Circuit Schematic
Cheap DSP Experiments
This project is an experiment of the Digital Signal Processing with a cheap microcontroller instead of an ordinary digital signal processor. Recent 8 bit microc...
Serial port controlled infrared transmitter with PIC – Circuit Schematic
Serial port controlled infrared transmitter with PIC
This is a programmable infrared (remote control) transmitter, which can be controlled from a PC serial port. It is capable of sending many remote control format...
MIDI Drum Machine Project – Circuit Schematic
MIDI Drum Machine Project
The MIDI Drum Machine began in the Fall of 1991 as a project for a microprocessor system design course, shortly after I wrote PAULMON1, the 8051 monitor/debugge...
Simple GAL Programmer – Circuit Schematic
Simple GAL Programmer
This GAL programmer is controlled via a parallel port, so that any exclusive interface is not requires for the programmer. It is easy to use on the notebook PCs...
Control a processor`s power supply in real time – Circuit Schematic
Control a processor`s power supply in real time
In battery-powered applications in which power management is key, a microprocessor may adjust its core voltage corresponding to an increase or a decrease in clo...
Fluffy - A Scenix (and PIC) Programmer – Circuit Schematic
Fluffy - A Scenix (and PIC) Programmer
Anyway, Fluffy is a SX programmer for people who have already experimented with PIC chips, and want to try out the Scenix SX family. I built Fluffy because I wa...
Connecting Dump Terminal – Circuit Schematic
Connecting Dump Terminal
Some applications may not need user display and key interface, dump terminal is an alternative way for program setting, displaying user interfacing command.Debu...
Simple AVR Programmers – Circuit Schematic
Simple AVR Programmers
These are simple AVR programmers. I designed and built four different programmers for various envilonments: LPT controlled parallel programmer, LPT controlled I...