Kits (77 items)

This kit was developed as pre-module for a number of audio applications where the input signal is too weak. Applications as a microphone pre-amplifier or for level correction.

Pink Noise Generator Kit, Board size L x W: 67 x 43 mm, Current consumption: 5 mA, Output voltage: 150 mV RMS, Voltage supply: 12...15 VDC / 9...12 VAC, Output impedance: 1 kΩ

This kit has 5 red LEDs that react to music volume and comes with an integrated microphone. The sensitivity can be adjusted with the potentiometer.

just add a suitable transformer (see table) - 9Vac: 109010C - 12Vac: 112012C - 24Vac: 212024C - great to power your projects and save on batteries - use as adjustable power supply for experiments -...

Power supply unit 3-30VDC/3A (kit), Board size L x W: 130 x 91 mm, Output current: 3 A max., Output voltage: 3...30 VDC, stabilised, Voltage supply: 9...30 VAC

Pulse-pause timer 1 s...60 h, Board size L x W: 80 x 45 mm, Settable timer times: 1 s… 60 h, Voltage supply: 12...24 VDC

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 -...

Attractive bright colored bug-shaped miniature robot. The microbug is always hungry for light, it drives towards it! - two open chassis sub-miniature motors - adjustable light-sensitivity suits alm...

8 LEDs. Different LED running effects are selectable (PROG push button). Adjustable effect speed (SPEED potentiometer). Push button for power stand-by (OFF push button). - power supply: 9V battery ...

SMD Christmas tree, Board size L x W: 63 x 57 mm, Current consumption: 7 mA, Voltage supply: 1 x battery CR2032 (3 V) / via USB

signal output: sine wave, triangle, square wave and integrator (selectable through jumper) - signal frequency: about 1kHz (fixed) - output level: adjustable from 0 to 100mVrms (LEVEL potentiometer)

Smiley Kit SMD, Board size L x W: 29 x 29 mm, Current consumption: 5 mA, Voltage supply: 1 x battery CR2032 (3 V)

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: ...

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.) - ...