Velleman Project Kits Range

Universal mono preamplifier board electronic kit developed for a range of diy audio applications where the input signal is too weak such as a microphone pre-amplifier or for signal level correction...

DIY variable regulated power supply kit using LM317 voltage regulator. Output 1.5V to 35V dc. 1 Amp max. current. Accepts AC or DC input voltage. Compact size just 52 x 30 x 35 mm...

K2543 Electronic Transistor Ignition electronic kit gives your car the feel of an expensive luxury car. Better starting and smoother running, particularly at very high and very low RPM...

K2570 Universal AC/DC to DC Power Supply electronic kit suits many kits requiring a regulated power supply between 5 and 14Vdc, and no more than 1A...

K2572 Universal Stereo Pre-Amplifier electronic kit is a universal low-noise stereo pre-amplifier...

Circuit uses a TL072 Low-Noise JFET-Input Operational Amplifier IC featuring high slew rates, low-input bias and offset currents, and low offset-voltage temperature coefficient. Low harmonic distortion and low noise for high-fidelity and audio pre-amplifier applications..

K2579 Universal Start/Stop Timer electronic kit is a miniature relay timer for applications requiring a turn-off delay of up to 15 minutes. Delay time is user adjustable...

K2599 Windshield Wiper, Robot or Interval Timer electronic kit provides up to 3 different time intervals (2 - 10 - 15 seconds) can be selected for the windshield wipers of your car...

K2601 Stroboscope electronic kit is a flashing light effects for discos. Make your own snapshots and "lightning" light effects...

K2604 Police Siren electronic kit allows you to enter the world of amazing electronic sounds and noises. Create or imitate sirens of all kinds by adjusting 3 trimmers...

K2622 AM/FM Antenna Amplifier electronic kit provides 22dB gain wherever you need it. DC power supply directly or via the coax cable...

K2625 Digital Tachometer SELF-ASSEMBLY electronic kit is for cars or motorcycles with 2 and 4 stroke petrol engines with any number of cylinders and contact breaker or electronic ignition systems. May be used as a general purpose revolution counter...

K2633 Relay Card (4 Channel) electronic kit makes connecting a number of relays to the outputs of an electronic circuit very simple...

4 channel opto-isolated high-speed solid state triac based switching alternative to slow mechanical relay boards. Each output can switch 24 - 240Vac, 0.5 Amp Uncooled (4A Max cooled). Control Inputs: 9-12Vdc, 10 - 20mA. 9Vdc powered...

K2636 Universal AC Motor Speed Controller electronic kit. Designed to control AC motors (24-240Vac, 5.5A) with carbon brushes (drilling machine, vacuum cleaner, saw, ...). High torque, even at low r.p.m...

K2639 Liquid level Controller electronic kit can be used in a wide variety of applications - you forget to turn off the tap, the washing machine leaks, the water level in your aquarium drops, the water tank is empty or suddenly overflows, there's water in your cellar, etc...

K2644 Frost Indicator electronic kit can help you drive more safely in freezing weather...

No cheating with the K3400 Dual Electronic Dice electronic kit when the result is displayed on this electronic dice for all too see...