Velleman

MULTIFUNCTION RELAY SWITCH

14 different functions including timers, switching, flashing, interval, random switching, ... Two pre-programmed delays. Learning mode for delays of 2s up to 12 days. Pushbutton control. EEPROM for delay time storage in case of power failure. On-board transient filter for the relay contacts. Suitable for control of incandescent lighting, halogen lighting, fluorescent lighting, fans, valves, buzzers,...
K8015
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SLOW ON-OFF DIMMER

Microprocessor controlled. Dual mode operation :
* Slow on / Slow off dimmer with two independent and programmable delays. Dimming direction changes with each key press. Manual level control is possible. This mode also simulates a 'regular' dimmer.
* Light is turned on at full power for a programmable time, after which it slowly fades to zero, also during a programmable time.

K8029
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ELECTRONIC CHRISTMAS TREE

Christmas was never so congenial ! 16 blinking LEDs
MK100
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FLASHING LED SWEETHEART

Show your love in an original way that your heart still beats faster for him or her. 28 LEDs form 2 blinking hearts.
MK101
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FLASHING LED's

For different applications (such as model construction), and recreational. Adjustable flashing speed with two potentiometers.
MK102
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SOUND-TO-LIGHT UNIT

Four high-intensity LEDs light up and react simultaneously on every sound. For different funny and practical applications, such as : sound indicator, simple sound-to-light unit for music, for the hearing impaired : can be used to indicate the telephone, door bell. Adjustable sensitivity with potentiometer. Built-in microphone.
MK103
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ELECTRONIC CRICKET

Can be used for fun or to simulate a hot summer night. Automatically comes on when it gets dark. Cricket repetition (time between two crickets), effect and tone adjustable. Adjustable light sensitivity.
MK104
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SIGNAL GENERATOR

 Features
  • 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)
MK105
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METRONOME

Speaker included. LED beat indication. Adjustable volume and beats / minute with potentiometers. On / off switch on board.
MK106
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LED RUNNING LIGHT

8 LEDs. Different LED running effects are selectable (PROG push button). Adjustable effect speed (SPEED potentiometer). Power stand-by push button (OFF push button).
MK107
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WATER ALARM

Gives alarm sound when water is detected. Incorporated alarm buzzer. Water sensor can be placed at a distance by cutting the board and using wires to connect the sensor.
MK108
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ELECTRONIC DICE

MK109
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SIMPLE ONE CHANNEL LIGHT ORGAN

With loudspeaker input. Modulates a lamp according to the music signal at the input. Optical isolated loudspeaker input. Adjustable sensitivity.
MK110
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INTERVAL TIMER

For intermittent operation of circuits and equipment. Blinking light, video/photo single frame shooting, slide projector control, miniature models.
MK111
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SIREN SOUND GENERATOR

Generates 4 different sounds : police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts sound pitch. On/off switch and PCB speaker included.
MK113
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RIDING SANTA

126 LED multicolor animated Xmas gadget. No need to remove battery when using external supply. 12V operation possible for use in cars, trucks. On/off switch included.
MK116
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Steam Engine Sound Generator With Whistle

MK134
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Pocket VU Meter

MK146
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