TINYCONTROL LK4mini I2C + I2C/1-Wire + DIN rail mount

Compact IoT device for remote monitoring of environmental parameters using digital sensors.

LK4mini is an efficient solution for remote reading and storing data from digital sensors on a server. The device is equipped with a built-in web server for displaying measured values and configuring settings via a standard web browser. It is available in two versions: with two I2C buses or with a combination of I2C and RS-485 with Modbus RTU protocol support (this model is the version with two I2C buses).

Thanks to its compact dimensions of 60 × 58 × 16 mm and power over Ethernet (PoE 802.3af), the device is ideal for industrial and commercial applications requiring reliable monitoring of environmental parameters such as temperature, humidity, atmospheric pressure, CO2 concentration or dust particles.

Web interface with rich functionality
The device offers a clear web interface with customizable dashboard layouts for displaying sensor data. Users can configure events, schedule actions, set up the OLED display, and manage various communication protocols.

Advanced communication options
LK4mini supports MQTT, HTTP client and SNMP protocols, allows setting up email notifications, access management and firmware updates. Time can be synchronized locally or from the network using NTP.

Wide sensor support
The device is compatible with many types of sensors connected via the I2C bus, including sensors for measuring humidity, temperature, atmospheric pressure, dust particles (PM1, PM2.5, PM4, PM10) and CO2 levels. It also supports the connection of a 0.96" OLED display.

BASIC SPECIFICATIONS

Model: I2C + I2C/1-Wire

Supply voltage: 8-58V

WITHpower requirement: 0.5 W

PoE power supply: yes (802.3af) mode A, passive mode B with jumper

Interface: I2C, I2C/1-Wire, Ethernet 10/100 Mbit/s, Wi-Fi 802.11n

Operating temperature: -20 to +85 °C

Dimensions: 60 × 58 × 16 mm

Weight: 25g

DIN rail mounting: yes (35 mm)