Velleman

SOLDERING STARTER KIT

Ideal for beginners.

Features

contains:
soldering iron: VTS20U (20W / 110VAC)
solder: SOLDERDISP
soldering iron holder: STANDLC
pair of wire-cutters: VT057
flashing LEDs: MK102
LED light organ: MK103

K/STARTULF

FM OSCILLATOR

Mini FM modulator (100-108MHz). Integrated pre-amplifier, to which any type of microphone may be connected. Family broadcasts, baby phone, security. May be received by any portable FM radio or tuner.

Specifications

power supply: 9 - 12VDC
input sensitivity preamplifier: 5mV
PCB dimensions: 45 x 70mm (1.8" x 2.8")

K1771

UNIVERSAL MONO PRE-AMPLIFIER

This kit has been developed as pre-module for a number of audio applications where there is insufficient input signal. Applications as a microphone pre-amplifier or for level correction.

Specifications

power supply: 10-30VDC / 10mA
output impedance: 1Kohm
adjustable output level: max. 40dB
frequency range: 20Hz to 20kHz ± 3dB
max. input signal: 40mV
PCB dimensions: 30 x 44mm (1.2" x 1.7")

K1803

1 AMP POWER SUPPLY KIT

This small power supply provides a regulated voltage, adjustable between 1.5 and 35 volts at 1 Amp. 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. Supplied without heatsink.

Specifications

output current: 1.5A max.
max. dissipation: 15W (cooled)
max. input voltage: 40VDC
PCB dimensions: 52 x 52mm (2.1" x 2.1")

K1823

ELECTRONIC TRANSISTOR IGNITION FOR CARS

Gives your car the feel of an expensive luxury car. Better starting and smoother running, particularly at very high and very low RPM. Lower fuel consumption, less pollution, lower servicing costs. Drive economically, drive electronically. Only for petrol/gasoline engines. Only for cars with negative ground.

Specifications

max. current: 4A
connection speed: up to 500kHz
PCB dimensions: 70 x 35mm (2.8" x 1.4")

K2543

UNIVERSAL STEREO PRE-AMPLIFIER

Specifications

frequency range : 40Hz - 30kHz (-3dB)
max. input voltage : 50mVrms
adjustable gain : 40dB max.
output impedance : 1Kohm
power supply : 10-30V DC / 5mA
PCB dimensions : 1.7" x 2.6"

K2572

STEREO RIAA PRE-AMPLIFIER

RIAA stereo pre-amplifier for md pick-ups. Low noise.

Specifications

supply voltage: 10 -30V DC / 5mA regulated
gain (1kHz): 35dB
input signal: 5 - 10mV
input impedance: 47Kohm
PCB dimensions: 1.7" x 2.6"

K2573

UNIVERSAL START/STOP TIMER

Miniature timer for all applications requiring a delay of up to 60 minutes. The control range may be adjusted.

Specifications

power supply: 15V DC / 55mA
relay: 3A / 220V switchable
time interval (without modifications): adjustable from 0 to 15 minutes
PCB dimensions: 1.5" x 2.7"

K2579

POLICE SIREN

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.

Specifications

power supply: 8 - 14V DC / 1A
dimensions: 3.1" x 2.2"

K2604

AM/FM ANTENNA AMPLIFIER

This amplifier provides 22dB gain wherever you need it. DC power supply directly or via the coax cable. Metal housing included.

Specifications

gain: 22dB
power supply: 12V to 15V / 3mA
input- and output impedance: 50 - 75ohm
frequency range: 10MHz to 150MHz
dimensions: 3.4" x 1.4" x 0.9"

K2622

DIGITAL TACHOMETER

For cars or motorcycles with a petrol engine. May be used as a general purpose revolution counter.

Specifications

range: 100 - 9900 revolutions/minute
2 digit display
easy calibration
power supply: 10 - 15V DC / 200mA
PCB dimensions: 3.2" x 1.8" + 3.2" x 2.4"
front panel dimensions: 2.8" x 3.5"

K2625

SPEED CONTROLLER

Designed to control AC motors with carbon brushes (drilling machine, vacuum cleaner, saw, …). High torque, even at low r.p.m. May also be used for low voltage loads (24V). Supply and load circuit electrically isolated from one another.

Specifications

voltage supply: 110-240V
load voltage: 24-240V AC / 5.5A max.
adjustable minimum r.p.m.
low interference level
range: 5-95%
PCB dimensions: 5.1" x 3.0"

K2636

LIQUID LEVEL CONTROLLER

Forgotten to turn off the tap, leaking washing machines, water level dropping in your aquarium, rain tank or water tank suddenly dry or over flowing, water in your cellar, etc. Such situations are often the cause of trouble and financial burden. Prevention is better than cure. So use this fluid detector. This multifunctional device is easy to use in a variety of applications : 1) LED control of set fluid level : LOW, MIDDLE, HIGH ; 2) Controller : the relay automatically switches a pump and/or valve to keep the fluid level between the LOW and HIGH marks ; 3) Alarm : if the sensor detects a level which is too high or too low (selectable), the relay will operate a bell or other alarm device.

Specifications

power supply: 12-14V AC or 16-18V DC / 100mA
relay output: 240V / 3A max.
dimensions:
controller PCB: 4.1" x 2.4"
sensor PCB: 4.1" x 1.0"

K2639

ELECTRONIC WATCHDOG

A circuit that produces a natural sounding barking dog with a sensitive "ear" to everything that comes near it. It is a faithful watchdog, which never sleeps and never has to be taken out for a walk.

Specifications

power supply: 2 x 8V AC or 9 - 12V DC / 500mA
choice of two different "dog sounds"
reacts to surrounding noise with adjustable sensitivity
speaker output: 2W at 4ohm
PCB dimensions: 5.6" x 3.0"

K2655

DUAL ELECTRONIC DICE

Board games provide an excellent source of pleasant and healthy entertainment. However, the dice can be a constant source of distraction : they fall off the table, allow cheating, one or more players don't see the results properly and so on. There can be no doubt at all about the result displayed on this electronic dice module, and cheating is out of the question. Two fully independent dice. At your choice you can play with one or two dice. Displays are switched off automatically after 30 seconds to save battery power.

Specifications

power supply: 8 to 12V DC or 6V AC / 60mA
PCB dimensions: 3.0" x 2.8"

K3400

PARKING RADAR

If you have problems parking then this kit is for you. Using (ultrasonic) sound waves, whose frequency is beyond our range of hearing, we can "measure" a distance. Consequently, a sensor mounted at the back of the car can give an indication of the distance between your car and the car parked behind you or other obstacles (only at the same height as the sensor). When the preset minimum distance is crossed, an audible signal is generated.

Specifications

detection range: 5cm - 1.5m (adjustable)
detection angle: 5°
supply voltage: 10 - 15V DC / 16mA
PCB dimensions:
sensor: 1.1" x 3.7"
base: 1.9" x 4.9"
recommended housing: G416 or G407

K3502

CAR ALARM

The alarm detects sudden voltage drops of the battery when the interior, trunk, or hood lights are switched on. To ensure correct operation, a number of control indications have been included, such as : flashing LED to indicate that the alarm is in standby mode after a set time (after you have left the car). Pre-alarm (built-in buzzer) to indicate that the alarm is activated, so that you will not forget to switch it off. The alarm is easy to switch on and off, either automatically or by means of the ignition switch or a remote control unit, such as the K6706B or K6706G/K6707 or K6708/K6709.

Specifications

detects voltage drops of the battery
entry delay time: 2 to 30 seconds with buzzer indication
exit delay time: 2 to 180 seconds with LED indication
alarm period: 60 seconds with automatic reset
power supply: 12V
standby current: 25mA
relay output: 5A
PCB dimensions: 2.4" x 3.9"

K3504

7 WATT MONO AUDIO AMP

This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4ohms. The IC is completely thermally and short-circuit protected. A conventional direct current can be connected as supply.

Specifications

music power output : 7W / 4ohm
RMS output : 3.5W / 4ohm or 2W / 8ohm
total harmonic distortion : 0.05% (1W / 1kHz)
frequency response : 20Hz to 20kHz (-3dB)
signal/noise ratio : 86dB (A weighted)
input sensitivity : 40mV / 150Kohm
overload and short-circuit protected
supply voltage : 15V DC (8 to 18V DC possible) / 0.5A
dimensions : 2.2" x 1.4"

K4001

2 X 30W AUDIO POWER AMPLIFIER

This small amplifier is constructed with the TDA1521 IC, with a maximum supply capability of 2 x 15Wrms (4ohm) of 2 x 10Wrms (8ohm). The IC is thermally and short-circuit protected. Additional rectifier and smoothing filter are unnecessary, as alternating current can be directly connected to the unit.

Specifications

music power output: 2 x 30W / 4ohm
RMS output: 2 x 15Wrms / 4ohm or 2 x 10Wrms / 8ohm
total harmonic distortion: 0.07% (1W / 1kHz)
channel separation: 70dB
frequency response: 7Hz to 60kHz (-3dB)
signal-to-noise ratio: 98dB (A weighted)
input sensitivity: 300mV / 150Kohm
transient suppression on/off switch
overload and short-circuit protection: max. 1h
supply voltage: 2 x 12V AC / 2A (50W transfo recommended)
dimensions: 2.8" x 2.0"

K4003

MONO VU-METER 10 LEDS

VU meter with a scale consisting of 10 LEDs and an adjustable input. Dot or bar indicator. Supplied with 1 front panel suitable for horizontal or vertical mounting.

Specifications

range: -20dB to +3dB
power supply: 10 - 15V DC / 250mA
input sensitivity:
low input: 150mV to 6Vrms (47K)
high input: 1.5V to 60Vrms (470K)
dimensions: 1.5" x 2.7"

K4304

STEREO VU-METER 2 x 10 LEDS

Stereo VU meter with 2 x 10 LEDs (dot or bar indicator) and an adjustable input. Included in package : 1 front panel suitable for horizontal or vertical mounting.

Specifications

range: -20dB to +3dB
power supply: 10 - 15V DC / 250mA
input sensitivity:
low input: 150mV to 6Vrms (47K)
high input: 1.5V to 60Vrms (470K)
dimensions: 1.5" x 2.7" (x2)

K4305

PRECISION STEREO VU-METER 2 X 15 LEDS

Stereo VU meter with 2 x 15 LEDs (dot or bar indicator) and an adjustable input. Included in package : 1 front panel suitable for horizontal or vertical mounting.

Specifications

scale from: -23dB to +5dB (linear scale between -4 and +5dB)
precision: ± 0.5dB (1kHz)
input impedance:
low input: 150mV - 5Vrms
high input: 1.5V - 50Vrms
frequency range: 20Hz - 30kHz (-3dB)
power supply: 12 - 15V DC / 300mA
dimensions: 5.9" x 2.2"

K4306

AUDIO POWER METER

10 LED scale, up to 2000Wrms power measurements. Does not need a special power supply, because it is supplied directly from the speaker output. Ideal for car audio systems and PA systems. Also usable for bridged amplifiers. The unit can be used both horizontal and vertical. The kit comes with a front panel and four attractive front stickers, for the different scales.

Specifications

four different scales:
at 4 ohm load in low power mode: 0.3 to 400Wrms
at 4 ohm load in high power mode: 10 to 2000Wrms
at 8 ohm load in low power mode: 0.15 to 200Wrms
at 8 ohm load in high power mode: 5 to 1000Wrms
minimum input sensitivity: 1.1Vrms (low power mode)
maximum input voltage: 130Vpeak (high power mode)
current consumption: 25mA at full scale
luminous intensity: 8 to 20mcd / LED
dimensions: 4.7" x 1.6" x 1.1"

K4307

SOUND GENERATOR

The ideal device for DJ's, jingles for radio stations or just to attract attention. With one output for direct connection to a speaker and one line output for connecting to a mixer panel or amplifier. The following effects may be generated directly by means of a push button : Machine gun · European siren · Phasor gun · Racing car with motor howl · Screeching of car tires on a curve · Explosion · Mortar fire followed by explosion · Music : "Wild charge tune" or "Snake charmers tune" · US siren

Specifications

supply voltage: 8 - 10V DC / 100mA or 9V battery (not incl.)
line output: 1Vrms
speaker output: 1W
PCB dimensions: 3.0" x 3.0"
recommended housing: -
recommended transformer: -
recommended adapter: PS905USA

K4401

LIGHT COMPUTER

Sixteen different programs and seven outputs make this light computer a unique showpiece. This kit can find applications in party lighting, discotheques, advertisement lighting, signaling, etc. To be able to view the programs directly, each output is provided with a LED. The complete circuit can be installed so that all operations and LEDs are available from the front panel. To enhance the spectacle further, an unlimited number of circuits can be connected together to work synchronously. Moreover, two programs are provided which are specially adapted to operate two light computers in cascade.

Specifications

7 triac outputs: 1.5A max.
supply voltage for the lights: 24VAC to 240VAC
supply voltage of the circuit: 7.5 - 9VAC / 250mA
16 programs
speed controllable
input for external clock
PCB dimensions: 5.3" x 3.1"
recommended housing: WCAH2852
recommended transformer: 1090030M
recommended adapter: PS905USA

K5201

STROBOSCOPE

Flashing light effects for discos. Make your own snapshots and "lightning" light effects. Flash frequency adjustable from 2 to 20Hz.

Specifications

power supply: 110V - 120V AC
PCB dimensions: 3.4" x 2.6"

K5300

CODE LOCK

This code lock may be used to switch an alarm (e.g. car alarm K3504) on and off, or to open a door lock. An LED on the operating panel indicates the position of the 'lock'. The code is easy to define. Because the operation panel is completely enclosed, it may be used inside and outside the house.

Specifications

more than 3000 codes (4 digits)
relay output: 5A / 110V
time limit for code entry: ± 5 seconds
power supply: 9 - 15V DC or 8 - 12V AC
power consumption:
output on: 40mA
output off: 0.3µA
dimensions: front panel : 3.2" x 3.2", depth : 1.6"

K6400

REMOTE CONTROL BY TELEPHONE

This kit makes it possible to turn up to three devices on or off over the telephone. It is also possible to check the condition of a switch (open or closed). Example : when you are away on holiday, you may switch the lights on and off from time to time, check the alarm or turn on the heating before returning home. A major advantage of this circuit lies in the fact that audio signals are used to tell whether a specific output has been turned on or off. Operation is protected by a user defined code, which is simply keyed in from the telephone keypad.

Specifications

a relay is included for one output: 10A / 250V AC
automatic pick-up can be selected for ± 8 or ± 3 rings
automatic hang-up if no code is entered within 20 seconds
supply voltage: 12V AC / 300mA
dimensions: 4.1" x 5.1"

K6501

MULTITONE CHIME

Electronic tones can be generated simply and cheaply using the device. This kit is primarily intended for use as a replacement for the traditional mechanical doorbell. Of course, it can also be used for many other types of applications. The number of tones may be selected up to a maximum of three, each of which is output one after the other. This can be used to help locate the place being called. Volume and tone can also be set. The existing bell transformer can be used as a power supply.

Specifications

adjustable tone and volume control
1, 2 or 3 tones selectable
loudspeaker output: 0.3W / 8ohm
power supply: 6 to 9V AC / 0.2A or 4.5V battery (3 x 1.5V AA batteries (not incl.)
idle current: less than 10µA
dimensions: 2.1" x 2.3"
usable battery housing: -
recommended housing: G416 or G410

K6600

1-CHANNEL RF CODE LOCK RECEIVER

This one channel RF code lock receiver works with K6706B or K6706G and forms the ideal remote control of all kinds of applications where a device can be controlled from a distance. Some applications : garage doors, car alarms and / or central door locking systems, as well as for wireless operation of in-door or out-door lighting, etc. A choice can be made from over 8000 codes. It is also possible to use several receivers with one transmitter or vice versa.

Specifications

easy to build: no coils to be made
LED on / off and receive indication
relays output: 10A toggle or momentary contact
separate output to switch on / off an car alarm K3504
power supply: 2 x 9V AC or 12 to 16V DC / 100mA max.

K6707

1-CHANNEL IR CODE LOCK TRANSMITTER

This transmitter is suitable to control the infrared code lock receiver K6709. A choice can be made from over 8000 codes.

Specifications

one channel
distance transmitter / receiver: ± 23'
LED on / off indication and battery level indication
key holder housing
power supply: 12V battery type V23GA, GP23GAC (not incl.)
dimensions: 1.4" x 0.6" x 2.2"

K6708

1-CHANNEL IR CODE LOCK RECEIVER

If you consider mechanical locks to be difficult and old-fashioned and you keep forgetting the combination of your keyboard code lock or combination padlock, this kit, combined with kit K6708 (infrared code lock transmitter), will provide the ideal solution. In addition, this lock offers the advantage of remote control. The device can be used for a wide variety of applications, such as opening garage doors, securing buildings or houses, activating or deactivating your car alarm and/or central door locking system, as well as for the wireless operation of in-door or out-door lighting, etc. A choice can be made from over 8000 codes. Moreover, it is possible to combine several receivers with one single transmitter or vice versa.

Specifications

works with the K6708 infrared code lock transmitter
one channel
8748 possible codes
distance transmitter/receiver: ± 23'
LED on/off indication
LED indication of reception strength
relay output: 10A pulse or changeover contact
separate output to activate or deactivate car alarm K3504
power supply: 2 x 9V AC or 12 to 16V DC / 100mA max.
PCB dimensions: 3.0" x 3.3" x 1.2"

K6709

IR REMOTE CONTROLLED DIMMER

This one channel IR receiver/dimmer works together with the 15 channel IR transmitter (K6710 & K8049). The receiver code can be set to 1 of the 15 transmitter codes so that 15 receivers can be operated (K6712 and/or K6713) independently of each other. Thanks to its compact design this kit fits into a standard light switch housing.

Specifications

max. load: 2A (4A with heatsink)
supply voltage: 110V AC / 60Hz
transmitter / receiver distance: max. 23'
not suitable for halogen lights

K6712

2-CHANNEL RF CODE LOCK RECEIVER

This two channel RF code lock receiver forms the ideal remote control of all kinds of applications, where 2 different devices can be controlled on a distance. A choice can be made from over 8000 codes. It is also possible to use several receivers with one transmitter or vice-versa. Works with K6706B or K6706G RF transmitter.

Specifications

two channels
easy to assemble: no coils to be made
LED on/off and receive indication for each channel
two relay outputs: 10A toggle or momentary contact
power supply: 2 x 9V AC or 12 to 16V DC / 120mA max.

K6727

UNIVERSAL BATTERY CHARGER/DISCHARGER

Many battery chargers are available on the market, but few of them are universal chargers. Using our kit, NiCd and NiMH batteries or different can be charged both quickly (52 minutes) and normally (14 hours). In order to ensure that the battery is fully discharged prior to charging and thus has a longer life cycle, an automatic discharger is also fitted.

Specifications

charge current: from 15mA to 750mA (selectable)
charges both NiCd and NiMH batteries
usable battery voltages: 1.2V, 2.8V, 3.6V, 4.6V, 6V, 7.2V, 8.4V and 9.6V
quick charge in 52 minutes / normal charge in 14 hours
automatic discharge and charge cycle
dimensions: 3.4" x 3.1"
recommended housing: G311

K7300

LOW COST UNIVERSAL BATTERY CHARGER

Charges NiCd or NiMH batteries. Ideal for car use. Transforms a mains adapter in to a charger (adapter socket included). Charge cellular phone, toys, portables, video batteries, ... Selectable charge current. LED charge indication.

Specifications

charge current: 50mA, 100mA, 200mA, 300mA, 400mA (selectable)
supply voltage: from 6.5V to 21V (depending on used battery)
supply current: same as charge current
power supply polarity protected
LED function indication
dimensions: 1.6" x 2.4"
recommended housing: G403

K7302

DC TO PULSE WIDTH MODULATOR

This control circuit is ideal for the accurate control of DC motors, lighting levels, small heaters as well as other applications. The circuit converts a DC voltage into a series of pulses, such that the pulse duration is directly proportional to the value of the DC voltage. The great advantage of such a circuit is that almost no power is lost in the control circuit. Protected against overload and short circuit.

Specifications

power supply: 8 to 35V DC
maximum output current: 6.5A
input voltage: between 2.5 and 35V DC
dimensions: 3.4" x 1.9" x 1.8"

K8004

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,...

Specifications

operating voltages: 9-12V AC or 12V DC
max. load: 2.5A (275W / 110V)
recommended housing: G410
dimensions pcb: 3.4" x 1.5" x 1.0"

K8015

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.

Specifications

for use with the Velleman home modular light system K8006
two programmable delays ranging from 1s to 1h
no memory loss in case of power failure
'soft-start' function that prolong the life of the bulbs
AC power: 110-125 or 220-240V AC 50/60Hz
max. load: 2A (200W/110V)
dimensions: 2.7" x 2.3" x 1.4"
not suited for use with low voltage halogen lighting or electronic transformers

K8029

ELECTRONIC CHRISTMAS TREE

Christmas was never so congenial ! 16 blinking LEDs

Specifications

very low power consumption: max. 4mA
power supply: 9V battery (not incl.)
dimensions: 2.4" x 4.0" x 1.0"

MK100

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.

Specifications

consumption: ± 8mA
power supply: 9V battery (not incl.)
dimensions: 2.4" x 2.4" x 1.2"

MK101

FLASHING LED's

For different applications (such as model construction), and recreational. Adjustable flashing speed with two potentiometers.

Specifications

consumption: ± 8mA
power supply: 9V battery (not incl.)
dimensions: 1.2" x 1.4" x 0.6"

MK102

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.

Specifications

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

MK103

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.

Specifications

consumption: ± 5mA
power supply: 9V battery (not incl.)
dimensions: 2.4" x 0.4" x 1.0"

MK104

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)

Specifications

power supply: 9V battery (not incl.)
dimensions: 2.2" x 1.6"

MK105

METRONOME

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

Specifications

power supply: 9V battery (not incl.)
dimensions: 2.4" x 1.7"

MK106

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).

Specifications

power supply: 9V battery (not incl.)
dimensions: 3.5" x 1.6"

MK107

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.

Specifications

power supply: 9V battery (not incl.)
dimensions: 1.8" x 2.8"

MK108

ELECTRONIC DICE

Electronic die with LED indication. Rolls slowly out when the push button is released.

Specifications

power supply: 9V battery (not incl.)
dimensions: 42 x 60mm (1.7" x 2.4")

MK109

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.

Specifications

input sensitivity: 2W to 60W
maximum load: 120W at 120V AC and 230W at 230V AC
dimensions: 2.4" x 1.6"

MK110

INTERVAL TIMER

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

Specifications

output relay with dry switch-over contact: 3A/24V
pulse time adjustable: between 0.5 and 5 sec.
pause time adjustable: between 2.5 and 60 sec.
power supply: 12V DC / 100mA
dimensions: 1.6" x 3.4"

MK111

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.

Specifications

power supply: 9V battery (not incl.)
dimensions: 2.4" x 1.6"

MK113

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.

Specifications

power supply: 9 to 12V DC or 9V alkaline battery (not incl.)
dimensions: 3.2" x 5.7"
recommended adapter: PS905USA

MK116

FM RADIO

Features

double fun: building and listening !
easy to assemble: no coils to wind
one single adjustment
pre-assembled and tested FM front end
receives the complete FM band: 88-108 MHz
with ON/OFF switch, volume control and LED indicator

Specifications

power supply: 12V DC / 100mA (adaptor jack provided)
dimensions: 4.8" x 3.3"

MK118

Steam Engine Sound Generator With Whistle

Adjustable Speed and Volume
Steam Whistle Push Button
Requires 9V Battery (not included)

MK134

Pocket VU Meter

Includes Enclosure
Built In Microphone
5 LEDs
Adjustable Sensitivity
Requires CR2032 Battery (not included)

MK146