January 2009

Simple Melody Circuit with PIC16F84A DO-RE-MI-FA

PIC16F84A microcontroller with the basic DO-RE-MI-FA pic of a simple circuit that can produce notes prepared by software RA3 assembly speaker connected to the output of 0.5W. Guide to use..

Simple Electronic Piano with PIC16F84A

The PIC has a white arrow in the transistor and the clock is a little to the right. Pull-down resistor Tact switches are in line with the lower back. PIC..

PIC Disassembler Program

That run on the Windows XP operating system rare pic disassembler program Disassembler Program Supported PIC micro pic12c508 pic12c509 pic16c52 pic16c54 pic16c55 pic16c56 pic16c57 pic16c58 pic16c84 pic16f83 pic16f84 pic17c42 pic17c43..

Graphic LCD Module Library for SG12864AS CCS C Compiler

Font libraries and library control done. SG12232 was previously processed by an area twice as long vertically. This module memory control LSI and the instinctive power of the LCD can..

Visual Basic DS1621 Two Channels PC Thermometer Circuit

There are two ds 1621 thermometer circuits without using a microcontroller, as well as the program and source codes prepared with Visual Basic 5, the program saves the data as..

Transformerless 220V Lamp Flasher Circuit 555

Lamp Flasher Circuit NE555 integrated control of 220 volt mains supply for over-current through the resistor capacitor and so on. taken with passive elements so no need to use a..

Amateur Radio SSB VFO PLL Transceiver Receiver Circuits

The generator section uses a 9MHz crystal filter, and for carrier oscillation, the crystal can be switched to remove both the upper and lower frequencies. I was … The MIC..

PIC16F88 Digital Voltmeter Circuit

Voltmeter circuit PIC16F88 microcontroller C language prepared by the program based on the indicators used for the 7-segment LED display with integrated TTL 74ls47 74hc238 and are driven. pic16F88 of..

Inductance & Capacitance Meter PIC16F648A LCmeter

PIC16F648A LC meter Simply, + -1% accuracy battery powered compact LC for low power consumption does not have a meter is recommended. C measurement range is 0.1pF ~ 1uF (renewal..

Voltage Current Regulated 2N3055 LM723 Power Supply

Modification of the LM723 2N3055 stabilized power supply. I have always been concerned that the voltage drop is large when a load is applied and this is clearly visible even..