Velleman Kits & Projects

This telephone amplifier may be used as a freestanding amplifier with speaker, e.g. to listen to a telephone conversation, or the output may be connected to an amplifier or mixing panel (e.g. radio stations).

This circuit does more than an ordinary running light, it not only runs in both directions, but it also flashes with two groups of lamps (flip-flop) and with all the lamps at the same time. The four light effects follow each other automatically.

Sixteen different programs and seven outputs make this light computer a unique showpiece. This kit can find applications in party lighting, discotheques, advertisement lighting, signalling, 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.

Create fantastic light effects for disco, photographs, signalisation, ... Two operation modes. The first operation mode flashes on power down, for use in combination with light computer K5201, running lights K5200 or other light effect generator. The second operation mode flashes continuous with adjustable speed. Simple two-wire connection. High power flash tube. Power on LED. Reflector included.

Create your own message for personal advertisements. Can be used for home, shop, car or truck... 12 self definable characters, which are made by de customer. 150 bright LED's supplied with the kit. Many spectacular light effects on the message, (scrolling, blinking, rolling, panning...). Adjustable effect speed. Vertical or horizontal position possible. Fixed displaying is possible (no effects). Different displays can be synchronised, to create longer messages, or to create giant advertisements.

This kit has been developed especially to be combined with K6002 to build a temperature regulation and control system. The advantage of a separate sensor lies in the fact that the distance between the actual controller and the sensor is of no importance.

Unlike a normal thermostat, this kit has two outputs, one for "high" alarm, e.g. to switch on the air conditioning, and one for "low" alarm, e.g. to switch on the central heating. Both alarms are adjustable independently, each with their own hysteresis. Sensor K6001 included.

This temperature sensor has the same features as the K6001. In addition, it has an LED display, showing the following three items : 1) Current temperature reading ; 2) Minimum temperature setting ; 3) Maximum temperature setting. A splendid aluminium housing with front sticker is included.

If a device has to be switched off after a specified amount of time, then this timer is the ideal solution. Because of the large range of the timer, it may be used in almost any applications, such as switching off television and hifi-equipment, lights (staircase lighting), safety timer for coffee machine, dark-room timer, providing a short ringing signal, etc. Push buttons are provided for starting and early stopping, but it is also possible to control the circuit by means of a relay or an open collector (e.g. our 15 channel remote control receiver K8050)

This device is a simple and economic way of generating electronic tones. 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.