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LK4mini 2xI2C (I2C/1-Wire + I2C)
The Symbol :
06240
LK4mini - a small PoE-powered IoT device that reads environmental parameters using digital sensors.
Variants
182.04
182.04
182.04
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LK4mini is the answer to the need for remote reading and storing of data from digital sensors on a server.
The device features a built-in web server (like LK4) for viewing readings and configuring settings using a browser. It is available in two versions: with two I2C buses or I2C and RS485, with Modbus RTU support.
Key features:
- Two I2C buses for connecting sensors through RJ12 connectors: the outer connector only for AM2301B temperature and humidity sensors, and the middle one supporting a range of I2C sensors (list below) as well as DS18B20 on a 1-Wire bus,
- 10/100Mb Ethernet communication with PoE 802.3af power,
- Optional 5V power supply and 2.4GHz WiFi wireless transmission,
- Management via a web interface.
Main interface functionalities accessible via the web page:
- Viewing sensor data in the admin or user window with a customizable dashboard layout,
- Event configuration,
- Scheduler-based action configuration,
- OLED display configuration,
- MQTT, HTTP client, and SNMP protocol configuration,
- Email notification setup,
- Access management, firmware upgrades,
- Setting local or network time (NTP).
Sensors supported by the I2C bus:
- BME280 (humidity, temperature, atmospheric pressure)
- AM2301B, AHT20, AHT25, AM2320, HTS221 (humidity, temperature)
- SPS30, APM10 (particulate matter sensor: PM1, PM2.5, PM4, PM10)
- SCD40, ACD10 (CO2 level sensor)
- 0.96-inch OLED display
Technical specifications:
- Power supply voltage: 8-58 V
- Power consumption: 0.5W
- PoE power: YES (802.3af) mode A, passive mode B with jumper
- Interfaces: Ethernet 10/100 Mbit/s, Wi-Fi 802.11n, RS485 Modbus RTU,
- Operating temperature range: -20 to +85 °C
- Dimensions: 60x58x16mm
- Weight: 25 g
- DIN rail mounting: Yes (35 mm)