Fun Circuits

DIY Simple Multitone AlarmDIY Simple Multitone Alarm

DIY Simple Multitone Alarm

Here is the circuit diagram of simple multitone alarm. This is a low cost circuit which is simple and easy…

55 years ago
Electronic Buzzer with IC timer NE555Electronic Buzzer with IC timer NE555

Electronic Buzzer with IC timer NE555

This easy electronic buzzer circuit built based on timer works for gaining the frequency. The IC timer NE 555 used…

55 years ago
10 Dancing LEDs10 Dancing LEDs

10 Dancing LEDs

This is the circuit diagram of dancing LEDs which consists of 10 units LEDs. The 10 dancing LEDs circuit works…

55 years ago
Analog Flip-FlopAnalog Flip-Flop

Analog Flip-Flop

Here the analog flip-flop circuit which built based on 2 transistors work as switch. This is very easy made and…

55 years ago
Sound Effects Generator (8 different sound) based IC HT2884Sound Effects Generator (8 different sound) based IC HT2884

Sound Effects Generator (8 different sound) based IC HT2884

This is the circuit diagram of sound effects generator. All sounds in this circuit are generated by HT2884. The HT2884…

55 years ago
Electronic Bird Chirp Sound GeneratorElectronic Bird Chirp Sound Generator

Electronic Bird Chirp Sound Generator

This is electronic bird chirp sound generator circuit which used to produce a sound like bird's chirp. The transformer is…

55 years ago
Electronic SirenElectronic Siren

Electronic Siren

This is Electronic Siren circuit diagram which use standard discrete components. The sound produced imitates the rise and fall of…

55 years ago
LED Flashing HeartLED Flashing Heart

LED Flashing Heart

This is the LED flashing circuit, since the shape used in this circuit was hearth shape, then we call it…

55 years ago