This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the condition is dark enough, the one or more lamps will be turned on and when the […]
Circuit Schematic Diagram
Clap On / Off Switch
This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or any circuit device which use 24V / 3A maximum supply, simply by clapping your hands.?It has […]
Traffic Baton with Bulb or LED Flasher
This is the traffic baton circuit which available in two versions that are traffic baton with LED flasher and traffic baton with bulb flasher. Both the circuits powered with a 6V, 4.5Ah rechargeable battery, which is […]
Smart Sensitive Electronic Hearing Aid
This is the circuit diagram of electronic hearing aid featured with sensitive sound detection and energy saving, so this hearing aid will work in the long term with a 9V batery battery cycle. The common hearing […]
6V / 9V / 12V Battery Charger with Constant-Current Charging
This is the circuit diagram of battery charger which has many important features such as current-constant charging, overcharge protection, short-circuit protection, deep discharge protection and more. The constant-current charging is a popular method for lead-acid and […]
5V DC Regulated Power Supply with Short Circuit Protection
This is the circuit diagram of 5V DC regulated power supply which featured with short circuit protection system. There are 2 kind of output that are regulated 5V DC with short circuit protection and without circuit […]
Water Level Indicator with Single 7 Segment LED Display
This is an unique water level indicator circuit which use 7 segment LED display to show the current water level in the water tank. Most water level indicator circuits for water tanks are based upon the […]
Electronic Dice Based Microcontroller Atmel AT89C2051
This is the circuit diagram of electronic dice which built based microcontroller chip of Atmel AT89C2051. The application of this electronic dice is similar to the one used in a game of dice. The circuit generates […]
Electronic Stopwatch
The above simple circuit design can be utilized as an accurate stopwatch to count up to 100 seconds with a determination of 0.01 second or up to 1000 seconds with a determination of 0.1 second. This […]
12V 4A Solar Photovoltaic Battery Charger
This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to charge a 12V battery or accumulator. The circuit handles up to 4 amps of current from […]