This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or…
This is the traffic baton circuit which available in two versions that are traffic baton with LED flasher and traffic…
This is the circuit diagram of electronic hearing aid featured with sensitive sound detection and energy saving, so this hearing…
This is the circuit diagram of battery charger which has many important features such as current-constant charging, overcharge protection, short-circuit…
This is the circuit diagram of 5V DC regulated power supply which featured with short circuit protection system. There are…
This is an unique water level indicator circuit which use 7 segment LED display to show the current water level…
This is the circuit diagram of electronic dice which built based microcontroller chip of Atmel AT89C2051. The application of this…
The above simple circuit design can be utilized as an accurate stopwatch to count up to 100 seconds with a…
This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to…
This ding-dong door bell circuit might become the simplest and cost-effective door bell circuit. The circuit is designed based on…