Kits (82 items)

Electronic Halloween Pumpkin Kit, Board size L x W: 100 x 80 mm, Current consumption: 20 mA, Voltage supply: 1 x battery 9 V (49x27x17 mm)

Applications : announce visitors, warn against burglars, set boundaries, for science projects,... - audible (85dB) and visible (LED) alert - range: 3.3ft to 13ft - on/off switch provided power supp...

Sound Effect Generator Steam Engine Kit, Board size L x W: 100 x 83 mm, Voltage supply: 1 x battery 9 V (49x27x17 mm)

Features - red leads: 230VAC / 50Hz input. - blue leads : output. Specifications - voltage: 2 x 12V. - red wires: primary. - blue wires: secundary.

Microphone/Headphone Amplifier Kit, Stereo, Board size L x W: 62 x 54 mm, Voltage supply: 3 x battery AA (4.5 V)

Up to four players can compete. LED indicates first button pushed. Quizmaster 'RESET' -button with 'button pushed'-indication. Two units can be daisy-chained for eight-player-fun ! Specifications -...

Drive more safely in freezing weather. This kit uses a flashing LED to indicate a road temperature close to freezing point ; below that point the LED is on continuously. A reliable temperature sens...

Features - big sound from a small unit - low distortion - input: stereo 3.5mm jack - volume adjust complete with attractive knob - slide on/off switch - blue indicator led

To come up against an electric cable while drilling a hole in a wall can have catastrophic consequences. Likewise, drilling into gas, water pipes or central heating pipes can be extremely hazardous...

Yellow LED star kit, Board size L x W: 90 x 90 mm, Current consumption: 40 mA, Voltage supply: 1 x battery 9 V (49x27x17 mm)

Chirps or glows as long as the sun shines. Features - realistic cricket chirp - slow fading green led simulates glow-worm Specifications - solar cell: 4.5V/ 35mA - optional rechargeable batteries: ...

Enter the world of amazing electronic sounds and noises. Create or imitate sirens of all kinds by adjusting 3 trimmers. Powerful sound with a 2W amplifier on the PCB - modulation speed: 0.5 - 5s - ...

Just 4 LEDs and 4 push buttons provide hours of fun. The object of the game is to repeat a randomly generated pattern. The pattern is played both visually and audible or visually only (selectable)....

Generates 4 different sounds: police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts sound pitch. On/off switch and PCB speaker included. - power supply: 9V battery (not incl.) - ...

Traffic Light Kit, Board size L x W: 115 x 50 mm, Current consumption: 15 mA, Voltage supply: 1 x battery 9 V (49x27x17 mm)