The following schematic diagram is the circuit of? solidstate automatic power-off on mains failing. A really good number of circuits which shut down the power […]
Electronic Schematic Diagram
Door Bell with Flashing LEDs
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 […]
1 – 9V Variable Desktop Power Supply
Here the variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of a desktop computer into small […]
Musical Bell with Touch Switch
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 […]
Cell Phone Shield with Charger
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 […]
Simple Mobile Phone Battery Charger
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 […]
25 Metres Range, Short Wave AM Transmitter
Here the short wave AM Transmitter circuit design diagram. The circuit is quite simple and easy to build since it applies only a few electronic […]
Circuit For Quiz Contest : Electronic Jam
This is the design diagram of electronic jam. This jam circuit can be implemented in quiz contests in which any participator who pushes his switch […]
Why You Might Want Train Horns
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 […]
Simple Battery Level Indicator
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 […]
