Fun Circuits
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 Candle Circuit using TTL IC
This is a simple and easy built electronic candle circuit which build using TTL (transistor-transistor logic) that are 74LS164, 74LS86…
Electronic Stopwatch
The above simple circuit design can be utilized as an accurate stopwatch to count up to 100 seconds with a…
Ding-Dong Door Bell
This ding-dong door bell circuit might become the simplest and cost-effective door bell circuit. The circuit is designed based on…
Infrared (IR) Cordless Headphone
This is the schematic diagram of Infrared (IR) cordless headphone. Maybe it also can be called "wireless headphone", but it…
Simple Mat Alarm Switch
This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place…
Simple Traffic Light Controller
Here the simple traffic light controller which is could be used to educate kids rudiments of traffic light guidelines. The…
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…
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…
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…