Sound: Sensor

Easy to build Gun Sound Effects generator kits, also inludes several different sounds and tunes.

This super sensor detector sounds an alarm if someone approaches the unit. Adds safety to your home or office. Learn the basics of motion detector technology. Uses pyroelectric infrared sensor.

Easy to build sound effect generator kits, inludes several different sounds and tunes.

A stronger, Mecha-Medusa is a walking robot that operates with the aid of a sound sensor. Clap hands or snap fingers to command this robot to start walking on four legs. Stops automatically after a preset time. Ideal for the hobbyist or budding scientist.

Easy to build sound effect generator kits, inludes several different sounds and tunes.

Extremely useful electronic circuit capable of producing a variety of cool sound effects.

Easy to build sound effect generator kits, inludes several different sounds and tunes.

An electronic circuit that uses a 556 (Dual timer) IC to produce a two-tone train horn sound effect. Equivalent circuit using two 555 timers (single timers) is given.

This page links to two electronic circuits. Once circuit produces emergency siren noises (police, fire, ambulance), and the other is a chime type sound effect.

A stronger, Mecha-Medusa is a walking robot that operates with the aid of a sound sensor. Clap hands or snap fingers to command this robot to start walking on four legs. Stops automatically after a preset time. Ideal for the hobbyist or budding scientist.

This mini-VOX - voice operated relay - is based on a circuit published in Silicon Chip, 9/1994, p31.

Sound turns on the transmitter, which operates in the FM radio band. A neat way to catch a thief in another room or garage. The volume of sound needed to trigger the circuit is adjustable. The two stage transmitter has good range and the circuit powers do

A stronger, Mecha-Medusa is a walking robot that operates with the aid of a sound sensor. Clap hands or snap fingers to command this robot to start walking on four legs. Stops automatically after a preset time. Ideal for the hobbyist or budding scientist.

The TRIBOTZ is three robots in one! Tribotz can operate in: Avoider mode where on-board sensors help Tribotz to avoid obstacles, Sound Operating mode where Tribotz changes direction in response to sound impulses, and in Line Tracer mode where on-board sen

Simple schematic for a doorbell electronic circuit that produces a ding-dong sound when your visitors presses the door-bell button. Based on IC 8021-2.

Adjust the sensitivity of this circuit to control a Relay that can turn on whatever is connected to the contacts of the relay. Very practical circuit for a variety of projects. Turn on a light when your dog barks, or set of a siren when an intruder makes

Dick Cappel's page illustrates an extremely basic small FM transmitter that rebroadcasts sounds using a 1.5 Volt battery. very simple circuit.

A bit different from other kits. We supply the three basic components for you to make your own movement detector. Included is a PCB mounted fresnel lens, a PIR movement sensor and the latest movement IC just released. Eight pages of application notes show

Easy to build sound effect generator kits, inludes several different sounds and tunes.

This is the Brodcast Warehouse All-in-One PCB 1 Watt FM Transmitter. This item has a built in limiter / compressor & stereo encoder!

Our Morse Moris code guide shows the Morse code beeps and sounds for the alphabet, which will help you read Morse Code moris code. Also features Alphabetic sounds for Moris Code.