Features - microcontroller circuit, fit for incandescent lamps, mains halogen lamps and the new energy saver halogen lamps. - install the module in the (existing) lighting circuit, just add one or ...
wide timing range easy time setting LED animation during operation on-board START-STOP buttons non retriggerable power-on trigger is possible debounced buffered inputs avoid false triggering compac...
just add a suitable transformer (see table) - 9Vac: 109010C - 12Vac: 112012C - 24Vac: 212024C - great to power your projects and save on batteries - use as adjustable power supply for experiments -...
Features - big sound from a small unit - low distortion - input: stereo 3.5mm jack - volume adjust complete with attractive knob - slide on/off switch - blue indicator led
Chirps or glows as long as the sun shines. Features - realistic cricket chirp - slow fading green led simulates glow-worm Specifications - solar cell: 4.5V/ 35mA - optional rechargeable batteries: ...
Traditional LED VU-meters are boring! This star-shaped VU-meter will brighten up your party! - 60-LEDs sound star - responds to sound and music in a 'VU-meter'-fashion - built-in microphone - adjus...
cannot be blown out by the wind - safe for kids and pets - great at home, for parties, Xmas, Halloween, etc. choose between 3 different modes: - realistically flickering flame - steady flame - fade...
compact 2-button IR keychain remote - compatible with most Velleman IR receivers - 2 powerful IR LEDs for a range of up to 15m (indoors) - 16 channels (allow use of multiple transmitters in one roo...
10-LED spinning wheel - push the button to start spinning action - spinning speed gradually decreases - finally it stops and one LED remains lit - auto power-off - low power consumption
check your love life ! - each partner holds one end of the PCB, then they join hands, watch the meter go ... - great fun at parties, among friends, etc... - 10-LED readout plus audible 'love-level'...
two super bright red LEDs - very powerful flash effect - for emergencies, warning signs, as eye-catcher, 'alarm-active' - simulation, etc ... - 'Auto turn-on at dark' - mode with adjustable sensiti...
Features - two super bright white LEDs - powerful flash effect - great for parties, scale models, as an attention grabber, to observe moving parts, etc... - slow/fast selector and speed adjust trim...
Features - miniature Xmas gadget - 6 LEDs flash alternately - tree can be operated pending (e.g. from the ceiling or Xmas tree) or can be worn as a badge (pin supplied) - great attention grabber - ...
The easy way to check your IR remote for proper operation. Simple operation : point the remote at the sensor and push an arbitrary button. Four flashing LEDs indicate remote operation. Specificatio...
Helps making difficult YES or NO decisions. Ideal for the indecisive. Simply push the button to start flashing of YES/NO LEDs. Flashing speed gradually decreases and finally one LED remains lit. - ...
Up to four players can compete. LED indicates first button pushed. Quizmaster 'RESET' -button with 'button pushed'-indication. Two units can be daisy-chained for eight-player-fun ! Specifications -...
Attractive bright colored bug-shaped miniature robot. The microbug is always hungry for light, it drives towards it! - two open chassis sub-miniature motors - adjustable light-sensitivity suits alm...
Attractive bright coloured bug-shaped miniature robot. The microbug is always hungry for light and travels toward it! Features - two open chassis subminiature motors - adjustable light sensitivity ...
Applications : announce visitors, warn against burglars, set boundaries, for science projects,... - audible (85dB) and visible (LED) alert - range: 3.3ft to 13ft - on/off switch provided power supp...
Just 4 LEDs and 4 push buttons provide hours of fun. The object of the game is to repeat a randomly generated pattern. The pattern is played both visually and audible or visually only (selectable)....
Electronic dice with LED indication. Slowly rolls to a stop when the push button is released. - power supply: 9V battery (not incl.) - dimensions: 42 x 60mm / 1.7 x 2.4"
8 LEDs. Different LED running effects are selectable (PROG push button). Adjustable effect speed (SPEED potentiometer). Push button for power stand-by (OFF push button). - power supply: 9V battery ...
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)
Four high-intensity LEDs light up and react simultaneously to every sound. For different funny and practical applications e.g. sound indicator, simple sound-to-light unit for music. The unit can al...
When using one of our amplifiers (big or small), you always need a volume control and preferably also a tone control. This kit comes complete with all input / output connections and potentiometers....
simple brightness adjustment by means of a DC voltage - optically isolated adjustment input - pre-set adjustment for full brightness - suitable for incandescent lamps, mains voltage halogen lightin...
excellent value for money - fully discrete design using Epitaxial Darlington transistors - DC supply circuit on board with LED indication - ideal for active speaker system or subwoofer, guitar amp,...
This relay card can be used in several ways : stand alone card, addressed by switches or open collector outputs or remote controlled through RS232. Since the card can be addressed using RS232 comma...
The K8055N interface board has 5 digital input channels and 8 digital output channels. In addition, there are two analogue inputs and two analogue outputs with 8 bit resolution. The number of input...
To come up against an electric cable while drilling a hole in a wall can have catastrophic consequences. Likewise, drilling into gas, water pipes or central heating pipes can be extremely hazardous...
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 defi...
This stereo speaker protection prevents switch-on clicks and DC components on the output of the amplifier connected. - switch-delay: ± 6 seconds - DC protection: +1V/-1V - max. input voltage: 200Vp...
This small amplifier is constructed with the TDA2616 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 rect...
This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4 ohms. The IC is fully protected against overheating and short circuits. A conventional direct current is ...
Drive more safely in freezing weather. This kit uses a flashing LED to indicate a road temperature close to freezing point ; below that point the LED is on continuously. A reliable temperature sens...
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 e...
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 - modulation speed: 0.5 - 5s - ...
Miniature timer for all applications requiring a delay of up to 60 minutes. The control range may be adjusted. Specifications - power supply: 12VDC / 55mA - relay: 3A / 220V switchable - time inter...
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 w...
This kit was developed as pre-module for a number of audio applications where the input signal is too weak. Applications as a microphone pre-amplifier or for level correction.