Hobby Electronics

Instructions for Short Circuits Three Project 29 - Universal Timer Kit (KJ8108) Specifications: Physical structure Leaflet ...

Assembly Required This timer is adjustable between 1 second to 3.5 minutes. An LED illuminates during the timing period and a buzzer sounds at ...

Assembly Required Distortion is popular to many guitarists. It can make the music sound quite different Instructions sold separately or wit...

Assembly Required Add this sustain unit to your guitar to make it sound more fulfilling. Features adjustable Decay and Attack.•Kit supplied wit...

Assembly Required This sound activated switch closes a relay when a loud enough sound is heard. It switches off when the sound stops. Ideal for...

Assembly Required This amplifier on a chip can deliver about 13.5 watts into a ohm speaker. That's quite loud!Kit includes PCB, amplifier IC, h...

Assembly Required A cheap and handy amplifier that can improve low•level signal sources so they can be heard on headphones or a speaker.•Kit in...

Assembly Required Alternate flashing halogen lamps with an adjustable flash rate between 1 to 4 seconds.•Kit includes PCB, two halogen lamps wi...

Assembly Required An impressive display using 20 LEDs that chase forward and backward • just like scanners seen in space movies.•Kit includes P...

Assembly Required Dazzling display using 10 LEDs that appear to chase each other. Build for a shop, theater or advertising display.•Kit include...

Assembly Required A more sophisticated alarm including entry/ exit delay, flashing deterrent light, soft warning alarm and deafening internal ...

Assembly Required This simple design features a normally open and normally closed input, 40 second siren duration and triggered LED indication....

Assembly Required This two part kit uses an infrared beam to communicate between the controller and relay boards. When the control button is pr...

Assembly Required Recover your stolen goods using an FM radio. This kit transmits a tone over the FM band so that you can track it down using a...

Assembly Required Mount across a path or doorway. When a person or object breaks the beam the loudspeaker will sound.•Kit includes PCB, LDR, sp...

Assembly Required Another useful little kit that generates the sound of a classic Ding Dong door bell. Just the thing for your front door. •Ki...

Assembly Required A really low cost way to deter thieves from breaking into your car. This lamp flasher mounts on your car dashboard and start...

Assembly Required Learn everything there is to know about component recognition and basic electronics with this comprehensive kit. From test le...

Assembly Required This kit will close a relay's contacts with as little as 5mA to trigger the circuit. Literally any kit you see on these pages...

Assembly Required When two contacts are shorted by liquid, an LED will illuminate. Use in applications such as an overflow alarm and rain detec...

Assembly Required This tiny PCB measuring only 56(L) x 16W(mm) incorporates all the electronics for a 1 Watt amplifier. 6 to 9VDC operating vol...

Refer: Diyode Magazine March 2018This kit is a bare bones motor speed controller for fairly low current, low voltage applications. It is ideal, f...

Assembly Required Refer: Silicon Chip Magazine December 2011Corrects sound and picture synchronisation (lip sync) between your modern TV and ho...

Assembly Required Ref: Silicon Chip March, 2011.This is an upgraded version of the original universal power supply kit published in August 1988...