Originally the burp sound simulator circuit was built as quick lash up but because it was so popular, especially with children, it is still in everyday use. Exactly what it […]
Reaction Tester – Fastest Draw Game Circuit
Have you ever wondered how your reactions compare to those of other people? This reaction circuit is designed to do just that, it will show scientifically which of the two […]
Simple Electronic Organ Circuit
Actual electronic organs are pretty sophisticated devices they comprise tone generators for the basic notes with dividers to provide a range of octaves. In addition ‘voicing‘ is provided so that […]
Simple Intercom Circuit
The most straightforward form of intercom circuit would be to use a microphone feeding an amplifier which in turns feeds a speaker at the other end. When the remote end […]
UM3561 IC Tone Generator Circuit
The integrated circuit UM3561 is an excellent ROM (Read Only Memory) IC. The key feature of this chip is to create unique siren sounds such as Ambulance, Police, machine gun, […]
Chirping Bird Circuit
There are as many variations of the electronic chirping bird circuits as there are birds. And the circuits are being used for a wide range of applications, such as door […]