September 2008

ATmega8 Motorcycle alarm circuit

In addition to the “normal” functions of a motorcycle alarm system, it has the following features: Own power supply. Cell phone call signal. Only a few systems that cost several..

ATmega128 MMC Card Supported 3-Colors LED Sign Message Board

A quality marquee project based on Atmega128 microcontroller, writing information is stored on mmc card instead of Atmega128, source codes are shared. Led Signage with MMC Memory Card. Originally this..

PIC16F84 king rider circuit

In the early 1980s, the Led panel of the car named “Kit” in the K”nightRider” series became very famous, and many similar circuits were used in cars. A more advanced..

12V 50W Peltier Refrigerator

The mini fridge project is made in the simplest way using very few materials. In addition to 1 12v 50 watt peltier thermal switch, CPU cooler, 12v fan and 2-position..

ATmega32 10A 2-channel current meter with LCD display

2 channel 10 amp measuring circuit ATmega32 is based on the large lcd used for the display 128×64 SED1330 can measure 2 channels 10 amps automatically It can detect AC..

Simple Sponge Foam Cutting Machine

Foam Sponge Cutting Machine is based on HCF4093 (CD4093 can be used instead). By heating the resistance wire, which is connected to the mechanical part with the circuit, it ensures..

BA1404 Stereo 3V FM Transmitter Circuit

The FM Transmitter circuit built on the BA1404 can work with two 1.5V AA batteries. If desired, a 6 volt dc adapter can be connected. RCA Input sockets have 300-ohm..

Quality Headphone Amplifier with TL072 Op Amp

The circuit is based on the TL072 Op Amp and its output is powered by the bc338 and bc328 transistors. A simple and low cost circuit supply voltage +- 15..

Automatic 12V 24V Solar Panel Charger Circuit

Solar Battery Charger Circuit MOSFET power transistor used in the MTP2955 charge and charge status LEDs can observe with 0:33 in the circuit diagram? TEXT trying to SEA could not..

12V 24V Solar Panel Regulator LCD Display

The Solar Panel Regulator measures the voltage or charging current on your solar cell and cuts off the energy of the panel to stop overcharging. It works with 12V or..