The following schematic diagram is the circuit of solidstate automatic power-off on mains failing. A really good number of circuits…
This is the door bell circuit with flashing LEDs to make the circuit more attractive. IC1 (NE555) is applied right…
Here the variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of…
Here the circuit diagram of musical bell with touch switch and timer. This circuit is designed around CMOS IC CD4011…
This is the cell phone shield circuit which can be used as mobile charger. Give protection to your cell phone…
The following diagram is a simple mobile phone battery charger circuit. The design is simple, easy to build and inexpensive.…
Here the short wave AM Transmitter circuit design diagram. The circuit is quite simple and easy to build since it…
This is the design diagram of electronic jam. This jam circuit can be implemented in quiz contests in which any…
Imagine for a moment that you are driving down the road in your truck and it has been a long…
Here the circuit diagram of simple and easy made battery level indicator. In general, in mobile phones, the battery levels…