August 2008

8051 Sample Application and 8051 Development Board

The 8051 development board provides an easy-to-use and low-cost way to develop your 8051 based microcontroller projects, without purchasing any other special equipment, such as IC programmers or emulators. All..

30W Class AB Mosfet Amplifier Circuit

A volume setting passive integrated possible by the high output level of modern sources, and a structure of the amplifier gain sufficient floors limited to essential guarantee the transparency of..

3A 5V Switching Regulator

The regulator circuit with mosfet has a simple structure and can provide 5v 3 amps at the output with 24v input voltage. The author warned that the input voltage should..

Walking Led Light 555

Our circuit was considered little different from the usual circuit. Different from the usual operation of the CD4017 circuit. Hopefully of interest to you. They remain in one direction lights..

555 Stepper Motor Driver Circuit

Circuit made ​​a long time ago and has been tested. There were a problem in the operation and construction. We must do BDX53 your engine is larger output transistors. 5..

Remote Controlled Toy Car Project PIC16F877 PIC16F628

software CCS used N channel FETs with a 60 amp motor drive circuit and used for different applications control circuit PIC16F877 24c08 eeprom and ICL7660 used CCS EEPROM communication with..

8051 PS2 Keyboard with LCD Writing Text

An application that performs text printing to the LCD via a microcontroller from a keyboard using the PS/2 protocol. The purpose here is to print text from the keyboard to..

Analog to Digital Output Audio Sensor LM386 LM393

You can set the outputs as analog or digital with JP1. There is a schematic prepared with splan and a pcb file prepared with sprint layout. An experimental binary sound..

USB UART Circuit FT232RL PCB

There is a pcb file prepared with the schema sprint layout prepared with Splan. You can download the driver file for your operating system from the ftdichip site. USB to..

Stick Mixer Circuit

This device is a mixer that converts the stereo output of the Chapman Stick to mono. The bar has one stereo output, so you must use a dual-input amplifier or..