LM3915 Audio Level Meter

UM66 Simple Offline Telephone Tester

Diode For Electronic Circuit Protection

TD2002 Fire Alarm

Lamp Room Controller based MicroController AT89551

Prepaid KWH Meter System based AVR ATMEGA8535

Instrument Color Separator And Wave Length Viewer Using Light Depent Resistor (LDR)-Based Microcontroller AT89S51

AT89S52 Microcontroller Traffic Light Prototype

ATMEGA 8535 Home Security System

Product Digital Counter based MicroController AT89S51

ATMEGA 8535 Automatic Water Heater

LTC4060 NIMH Battery Charger

PreAmplifier Equalizer using IC TL074

Digital Volume Control using IC 74193, 555, CD4067, 7805, 7407

CD4047 Mini UPS

Knight Rider LED Running

Dancing LED Electro Suite

Flashlight LED Ultra Bright

Crossover to Gain Audio System Quality

50W Amplifier using ICL8063

10W Audio Amplifier Bass Boost

12VDC 220VAC 100W Mosfet Inverter

Voltage DC Doubler using Transistor

Battery Indicator using Transistor

USB LED Light Desktop

DoorBell Bird Voice Electro Suite

FreePCB Download Software

SmartDraw Download Easy Electrical Design Software

Circuit Diagram 0.6 Beta

Circuit Diagram 0.5 Beta

Circuit Diagram 0.4 Beta

Circuit Diagram 0.3 Beta

Circuit Diagram 0.2 Beta

Circuit Diagram 0.1 Alpha

Digital Clock with Timer and Solar Panel Regulator

Temperature and Clock Digital using 7-segments

Countdown Timer 99 Seconds using 89C2051 and 7-Segment

Low Cost Metal Detector

Knight Rider LED Electro Suite – Part 2

Knight Rider LED Electro Suite – Part 1

220V Light Dimmer Electro Suite

CMOS 4047 Insect Repellent Suite

FCS 9014 Transistor Flip Flop

Sirine Mobil Polisi Negara Inggris dengan IC 555

Bel pintu Nirkabel menggunakan HEX Inverter 4069

Rangkaian Lampu Lalu lintas menggunakan IC 555

Iluminator Infra Merah Jarak Jauh dengan 247 LED

DB9 to DB25 Converter Configuration

Ultra Fast Battery Charger for Nickel-Cadmium battery cells [NiCad]

Oscilloscope Xminilab-B on the microcontroller Atmel AVR ATXMEGA32A4