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Welcome to Denkovi Online Electronics Shop!


We offer relay boards controlled via Computer USB, Ethernet, Wi-Fi. You can find here IP I/O controllers, communication converters and home automation kits as well.






Our Featured Products

Wi-Fi 16 Relay Board PCB - ModBus TCP, Timers

A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802.11 interface. The relays can be controlled manually with the standart coils commands they also can act like timers. Supported by many modbus applications and profesional software. This is the PCB version.

Price: $89.00
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smartDEN IP WatchDog - PING restarter and Auto-Rebooter Relay Module

smartDEN IP-WatchDog is network (LAN/WAN) device which can monitor and restarts up to 16 remote hosts (PC, routers, switches, IP cameras). If an unresponsive host is detected, smartDEN IP-WatchDog reboots it automatically. It can be used successfully for monitoring and rebooting computer famrs and servers, Internet conenction checking and others.

Price: $145.00
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USB Eight Channel Relay Board for Automation

This is relay card with eight SPDT relays which is controlled via PC USB port. We have created flexible software for this USB relay board, that allows you to make simple automation project or control from command line. We provide various examples in .NET, Java, VB6, BCB6, Labview, Python and others. Android app is also available.

Price: $26.50
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USB 16 Channel Relay Board for Automation - Virtual COM (Serial) Port

The relay module is with 16 SPDT relays. The relays are controlled via PC USB port and it is shown as virtual serial port (virtual com port). It is possible to control directly 220V / 120V devices with your PC usb port up to 15A max. There is flexible software for this usb relay board allowing to be designed simple automation project or control from command line. Numerous software examples can be provided (VB6, BCB6, Java, .NET, Labview, Python). Android software available.

Price: $67.00
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smartDEN IoT Internet / Ethernet 32 Inputs Module - DIN Rail BOX

This device is an Ethernet and Web enabled input module suitable for home automation, environment monitoriong applications, logging/counting different events and many others. SmartDEN IP-32IN provides 16 digital inputs (for motion detector sensors, dry contacts, switches, buttons), 8 analog inputs (for temperature, humidity, light, pressure sensors) and 8 temperature inputs designed for NTC thermistors type B57500M. The integrated web server for set-up, SNMPv2c and HTTP/XML allow easy embedding in other systems. Interesting feature of the module is the ability to control remote relays based on input event or work in "Data Logging Mode" in order to post data in xml format on a remote server. Various software examples are provided and the module is supported by our android and ios apps.

Price: $129.00

smartDEN IoT Internet / Ethernet 16 Relay Module - DIN Rail BOX

SmartDEN IP-16R is a LAN relay module with 16 SPDT relays for remote control with integrated web server for set-up, snmp-v1 and http/xml/json support for embedding in other systems. The built-in real time clock allows to organize schedule stand-alone work without connection to computer. Suitable for Industrail and Home automations, irrigation systems and network watch-dog systems. Supported by DRM Software, DAE-iModule iOS App and DAE-aModules Android App plus many source code examples. This is the version with DIN rail box.

Price: $145.00
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smartDEN Logger - Web enabled temperature datalogger with analog/digital inputs

smartDEN Logger is a general purpose Ethernet/SD-Card data logger/tracker that can be used in a wide range of remote monitoring, measurement and data-acquisition applications. Thank to its multi-channel design (16 digital, 8 analog and 8 thermistor inputs) this device can log simultaneously a variety of measurements, for example temperature, humidity, light, pressure, voltage etc. In addition to continuous data recording to a SD card, the current measurements can be downloaded (uploaded) from (to) remote IP host in XML/JSON format. The Web interface allows users to configure the smartDEN Logger, monitor current measurements and access logged files for download or graphical visualization.

Price: $148.00

Internet/Ethernet Relay Board 12 Channel with DAEnetIP4 - I/O, SNMP, Web

The next generation Ethernet SNMP and WEB relay I/O module based on DAEnetIP4 with 12 SPDT relays (up to 15A), 8 ADC inputs (0-10V) and 8 digital inputs (0-12V) plus 2 PWM outputs (0-3.3V). With its built in real time clock and individual pulse timer for every relay it is suitable for controling electrical devices and monitor different sensors from the ethernet network, orginze thermoregulators or home automation applications. It can be accessed locally (LAN) or remotely (Internet,WAN) via web browser, computer software or smartphone. We provide various software examples for easy integration in your code. Now with FREE iOS and Android App!

Price: $116.00
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DAE-iModules iOS mobile app


How to bring your Home to your smart-Phone !

Try our new 100% FREE iOS software - for all our IP Ethernet controllers, modules and relay boards



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