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Speed Controller with PIC16F84-04/SO – Circuit Schematic
Speed Controller with PIC16F84-04/SO
The controller is a prototype and works well in my plane with 7 cells and a Graupner-Speed 600....
AT89C4051 as RTC – Circuit Schematic
AT89C4051 as RTC
Its a digial clock which make use of AT89C4051 to work as a Real time clock. Port 1 of the controller (AT89C4051) is used as the data lines for the LCD (startin...
Universal PIC-EEPROM programmer – Circuit Schematic
Universal PIC-EEPROM programmer
This is a JENS MADSEN `S project I`ve built to program my pic and EEPROM (16xXXX AND 12CXXX AND 24CXX) I use it with ic-prog , it is little ,simply to build ,ch...
ATMEL 8051 Flash Based-Microcontroller Programmer – Circuit Schematic
ATMEL 8051 Flash Based-Microcontroller Programmer
The Atmel Flash devices are ideal for developing, since they can be reprogrammed easy and fast. If you need more code space for your application, particularly f...
89C2051  PROTO BOARD – Circuit Schematic
89C2051 PROTO BOARD
This single sided proto board provides an economical solution for developing and testing the projects around Atmel 20 pin series u-controllers (89Cx051 & AV...
Basic 2051`s Circuit – Circuit Schematic
Basic 2051`s Circuit
A basic circuit of the 89C2051 shown here can be made easily using point-to-point soldering with a universal PCB. Use an ordinary 20-pin socket, do not use a ci...
PIC controlled DDS VFO – Circuit Schematic
PIC controlled DDS VFO
This is a 0 - 6 MHz DDS VFO controlled by a PIC16F84 (or `C84). The VFO is separated into two modules, the DDS module and the controller module. The PCB lay...
Pic-Plot : a GPIB to RS-232 converter – Circuit Schematic
Pic-Plot : a GPIB to RS-232 converter
This adaptor will capture plots or prints of your GPIB instrument to your PC through the serial port. It fills the need of anybody who has a test instrument wit...
Mobile MP3 Player PC – Circuit Schematic
Mobile MP3 Player PC
The CPU is an AMD K5 running 75 MHz. Theres 16 meg ram, and the operating system is Linux (Red Hat 5.2). MPG123 handles the MP3 decoding, and I wrote a control ...
2-Wire LCD Interface using PIC16C84 – Circuit Schematic
2-Wire LCD Interface using PIC16C84
The most popular LCD interface is the Hitachi 44780 based LCD controller chip which provides a fairly easy to work with interface and low power consumption. The...
2-Wire LCD Interface using PIC16C84 – Circuit Schematic
2-Wire LCD Interface using PIC16C84
The most popular LCD interface is the Hitachi 44780 based LCD controller chip which provides a fairly easy to work with interface and low power consumption. The...
memory game using a PIC – Circuit Schematic
memory game using a PIC
The PC board has been designed to accept either a PIC16F84A or PIC16F628. With the introduction of the`628 to the world market, it has taken over from the PIC16...
memory game using a PIC – Circuit Schematic
memory game using a PIC
The PC board has been designed to accept either a PIC16F84A or PIC16F628. With the introduction of the`628 to the world market, it has taken over from the PIC16...
Electronic TIC TAC TOE – Circuit Schematic
Electronic TIC TAC TOE
This project is not to introduce Tic Tac Toe. Everyone knows this game. It`s to introduce two features. Bi-coloured LEDs, microcontrollers and the skill of wr...
Electronic TIC TAC TOE – Circuit Schematic
Electronic TIC TAC TOE
This project is not to introduce Tic Tac Toe. Everyone knows this game. It`s to introduce two features. Bi-coloured LEDs, microcontrollers and the skill of wr...
CodeLock AVR – Circuit Schematic
CodeLock AVR
CodeLock AVR electronic combination lock is realised with Atmel AVR microcontroller AT90S2313 or ATtiny2313. Program in hex code is 2 kB long. User code is cons...
CodeLock AVR – Circuit Schematic
CodeLock AVR
CodeLock AVR electronic combination lock is realised with Atmel AVR microcontroller AT90S2313 or ATtiny2313. Program in hex code is 2 kB long. User code is cons...
LCD Serial Terminal – Circuit Schematic
LCD Serial Terminal
This project is a self-contained serial terminal using a PIC16F84 microcontroller chip, an inexpensive LCD character display, a keypad, and very little else. It...
LCD Serial Terminal – Circuit Schematic
LCD Serial Terminal
This project is a self-contained serial terminal using a PIC16F84 microcontroller chip, an inexpensive LCD character display, a keypad, and very little else. It...
Isolated RS232C for PIC16F84 – Circuit Schematic
Isolated RS232C for PIC16F84
Another method that helps program development besides a dot LED as the output device is a serial bit. With a serial transmission to a terminal emulator program,...