Specifications:consumption: 0.5mA min. / 12mA max. power supply: 9V battery (not incl.) dimensions: 1.6" x 2.2" x 1.4"

    • Color: Green
    • Brand: Velleman
    • ASIN: B000TA3FK8
    • UPC: 816353010067

  • Velleman K2579 Universal Start/Stop Timer

    Incorporating the well-known 555 timer IC, Velleman's K2579 Universal Start/Stop Timer Kit makes it easy to remotely control the on/off functions of many electronic devices.

    • Color: multicolor
    • Brand: Velleman
    • ASIN: B000TA7A04
    • UPC: 836479009684

  • Velleman K1823 1A Power Supply Kit

    With the LM317 regulator remarkably better ripple and regulation characteristics are given than with conventional regulators. Current limiter and thermal overload protection are included in the IC.

    • Brand: Velleman
    • ASIN: B007GP5QSI
    • UPC: 836479006904

  • Velleman MK119 Roulette

    VELLEMAN MK119 ROULETTE KIT. 37 LEDs. Spinning sound. 'Winner'-tune for each color. Spins LEDs between games. Pushbutton operation. Microprocessor technology.

    • Brand: Velleman
    • ASIN: B004NVTWQU
    • UPC: 836479006584

  • Velleman MK113 Siren Sound Generator

    Generates four different sounds: police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts the sound pitch. On/off switch and PCB speaker are included. Uses a 9V battery (not included).

    • Brand: Velleman
    • ASIN: B001NDSKYG
    • UPC: 836479007086

  • Velleman MK171 Voice Changer

    Great for parties, recordings, bands, and even prank phone calls, this voice changer makes your voice sound like a robot and can also add a vibrato effect to your voice. Pitch buttons make your voice sound lower or higher. Features a built-in microphone and power amplifier with volume control. Requires 9V battery and speaker(not included).

    • Color: One Color
    • Brand: Velleman
    • ASIN: B004XZQ6RE
    • UPC: 885612749512

  • Velleman MK108 Water Alarm

    This kit can be very useful when water needs to be detected before any damage is done. A buzzer will sound when water is detected. The water sensor can be placed at a distance. Requires a 9 volt battery for power.

    • Color: One Color
    • Brand: Velleman
    • ASIN: B004NVVYLQ
    • UPC: 013039207333

  • Velleman K8018B 3D Led Cube 5 X 5 X 5 (Blue Led)

    VELLEMAN K8018B 3D LED CUBE 5 x 5 x 5 (bLue LED) KIT. Build your 3D led cube and created unlimited 3D effects. The unit comes standard loaded with effects. Connect to your computer (USB) and create your own!

    • Color: blue
    • Brand: Velleman
    • ASIN: B00B2QC6EE
    • UPC: 816353011668

  • Velleman K8017 3-Channel Sound Light With Microphone

    A Light Organ kit. Low, mid and high channels. Sensitivity adjustment per channel. LED indication per channel. Attractive transparent enclosure. Microphone included. Noise suppressed according to EN55015. PLEASE NOTE: this kit is designed for use in multiple countries and it does not ship with a North American power cord/plug.

    • Brand: Velleman
    • ASIN: B0002Z82Y4
    • UPC: 836479009950