PIC16CS4 Programmer
Most of you will certainly already installed on your computer one of the many software tools move freely from hand to hand and is suitable for programming the P...
AVR Programmer (AT90S2313)
The ATMEL, with family AVR, was consolidated in the field of microcontrollers. The microcontrollers are, providing fast core and a variety of peripherals. These...
Digital Thermometer
A device designed for measuring time and temperature used in chemistry laboratory. The circuit employs a 89C4051, 20-pin CMOS Microcontroller with built-in 4kB ...
Digital Clock Timer schematic
This clock timer uses a PIC16F628 microcontroller to display 3 and 1/2 digit time and control an external load. The clock includes a calendar with leap year and...
PIC Programmer schematic RS232
In the article you will find a description of the universal PIC programmer, which suggested the involvement of Jens Madsen Dyekjar [ http://www.jdm.homepage.dk/...
EPROM adapter for ATMEL Programmer
The EEprom programmer software supports the following devices 28C16, 28C256, 28C17, 29C256, 28C64. Diode D1 and resistor R1 provide the VDD isolation when progr...
Clock using analogue multimeters ( PIC16F628A )
The Multimeter Clock consists of three multimeters, the first meter displays hours, the second displays minutes and the last displays seconds. A 16F628A PIC mic...
Gear clock using PIC 16f628A
The heart of the clock is a PIC 16f628A microcontroller (PDF). This microcontroller has an internal oscillator however an external 20MHz crystal oscillator is b...
PWM Fan Controller schematic
The heart of the PWM Fan Controller is a PIC 12F675 microcontroller. This microcontroller is reading the analog output of a LM35 temperature sensor using a ADC ...
PC terminal using a TV
When you use microcontrollers in your designs, sometime you face a problem how to show user required data. Several LEDs, 7 segment display or LCD module can be ...
Midi Trigger Sequencer
Add this to the above circuit to get a programmable trigger sequencer. Includes an optional audio modulation stage....
Speech Recognition Circuit
The demonstration circuit operates in the HM2007's manual mode. This mode uses a simple keypad and digital display to communicate with and program the HM2007 ch...
Java virtual machine for the Atmel AVR ATmega8
The NanoVM is a java virtual machine for the Atmel AVR ATmega8 CPU, the member of the AVR CPU family used e.g. in the DLR Asuro robot, manufactured by AREXX eng...
Talking Yoda head
The talking Yoda head consists of a Yoda mask and a microcontroller system to achieve the desired operation/effect. The basic operation of the project was speci...
Video DVM circuit
Video-DVM is a very cheap DVM that shows how an output as complex as a videocomposite signal can be generated entirely in software: two I/O pins and three resis...
Automatic Gain Control ( AGC )
This project is a digital Automatic Gain Control (AGC”) system using a PIC16F876 MCU. The ability to set the gain level in a circuit and have it control itse...
Robot Beacon with PIC12C508A
We hold the "first rights" to the presentation of this approach and the best part is: "It's FREE!"
The PIC12C508A is one of the most amazing devices but becaus...
15 x 7 LED display with PIC16F628
This project is provided as a "prototyping project" as no PC board has been produced. The photographs show the project built on a matrix board using surface-mou...
RCEN fuse programmer with AT90S1200A
As you know the AT90S1200 microcontroller include an internal RC oscillator that is disabled by default. If you want to change it (enable or disable) you must t...
10 Bit analog to digital converter
Study the Analog to Digital capabilities of Atmel ATtiny26. This tiny but mighty IC is really a miracle. One special thing is the internal 10-inputs multiplexed...