A very simple musical door bell circuit can be built and installed in homes, the design features a replaceable music chip option, and an adjustable ringtone duration, as per the […]
Music Triggered Amplifier Speaker Circuit
The circuit idea explained below enables a power amplifier loudspeakers to switch ON only when there’s an input music available, otherwise it makes sure that the loudspeakers remain shut off. […]
Modify Human Speech with this Digital Voice Changer Circuit
The post explains a voice modulator circuit which will change or transform an individuals unique voice into a completely new form. The new voice will be different to the original […]
Make this Simple Music Box Circuit
This simple circuit can be used to emulate the operation of a music box. The number of notes may be limited to 10 at the most, and therefore is capable […]
Extended Telephone Ring Amplifier/Repeater Circuit
The discussed phone repeater circuit can extend the range of your land line ring sound from the phone such that one is able to make a call heard in another […]
How to Drive High Watt LEDs with Arduino
The post explains the method of incorporating high watt LEDs with Arduino through external high voltage supplies. The question was put forth by Mr. Cole. The Circuit Question I stumbled […]