Electronic Schematic Diagram


This is the door bell circuit with flashing LEDs to make the circuit more attractive. IC1 (NE555) is applied right here as being a clock […]

Here the circuit diagram of musical bell with touch switch and timer. This circuit is designed around CMOS IC CD4011 which work as the delay […]

This is the cell phone shield circuit which can be used as mobile charger. Give protection to your cell phone from unexpected use or theft […]

The following diagram is a simple mobile phone battery charger circuit. The design is simple, easy to build and inexpensive. It use LM78xx regulator to […]

Imagine for a moment that you are driving down the road in your truck and it has been a long and difficult day. All you […]

Here the circuit diagram of simple and easy made battery level indicator. In general, in mobile phones, the battery levels is displayed in dot or […]