Control system assembly kits
- Quickly read off the water level within a water tank from LED display
Automatically switches on another load when a machine, lamp, etc. is switched on. 1-phase or 3-phase (three-phase) machine...
- Detection of smallest temperature changes
- Switching temperature freely selectable
- Powerful and clear
- Adjustable for heating or cooling
- Use in conjunction with ultra low power modules e.g. LED outputs
- Time range: 200 ms to 100 s
- Individually adjustable switching times
The Velleman K8055N interface board has 5 digital input channels and 8 output channels as well as 2 analogue inputs and 2 ...
- Time range 0.5 ms to 150 s
- Delay time can be set continuously via trimm-potentiometer
The timer is equipped with a large time range from 1 s to 60 h and is very easy to program. Simple switching on and off or...
This automatic, temperature controlled regulator is for standard small DC voltage fans, such as those built into computers...
Operate 8 relay channels on your PC - Simply use the computer's USB port for one connection. Connect up to 16 A to each re...
- 9 different functions
- Timer with 8 channels
- USB- interface for flexible settings
Switches on any electrical load (e.g. incandescent lamp, engine, LED lamp, etc.) at dusk and switches it off again at dawn.
- Max. fan capacity: 5 W
This circuit can be used to test whether infrared controls, such as those for TVs and video recorders, are functioning pro...
After pressing the key, the built-in relay switches on for approx. 2 seconds to approx. 5 minutes (adjustable) and then sw...
With this "infrared detector" infrared remote controls, infrared transmitters in light barriers etc. can be tested for fun...
- Time range 8.4 ms to 19.30 hours.
- Control software (timer, presence simulation, etc.)
- Documentation and examples for development of control software
- Control software (timer, presence simulation, etc.)
- Documentation and examples for development of control software
General pulse/pause timer for various interval timer automations. For intermittent operation of circuits and systems.
The interface board has 5 digital input channels and 8 output channels. There are also 2 analogue inputs and 2 outputs wit...
- Temperature setting via spindle trimmer
- Power on control via LED
- Ideal for aquariums and automatic flower watering systems.
When the control voltage is turned on the relay switches and doesn't switch back until the predetermined time period is ov...
This electronic dimmer switch switches on the lamps or other consumers automatically by means of an in-built relay when tw...
Independent relay cards that can be controlled through switches or open collector-outputs or remote controlled via RS232. ...
Switches on other devices with the built-in relay contact after pushing the button and automatically switches them off aga...
- Can also be used as a temperature controlled switch by using an NTC.
This data capture system is simply attached to the USB interface of a PC. After installing the included drivers, the devic...
Switches a relay when light or dark (shadow) is sensed. Whenever the light beam from a lamp projected onto doors, windows ...
- A delightfully simple alternative to more expensive GSM remote control systems
- Switches appliances up to (250Vac) on/off when water reaches a certain level
- Cascading of up to 255 cards
- Adapter board converts RS232-/TTL level to USB
- Housing made of impact polystirene
This small SMD circuit allows you to directly monitor the temperature of devices and machines. When the temperature you ha...
- Automate appliances to switch on/off when it rains or snows
- Relay activated when liquid contacts sensor plate
- Heated sensor area avoids activation by standing water
