| No. | Title | Date | Action |
|---|---|---|---|
| 01 | LK-ST200 Ethernet Temperature & Humidity Transmitter | 2024-09-01 | Download |
| 02 | LK-RS4201 2-Master Buffered Isolated RS485 Hub | 2023-06-30 | Download |
| 03 | LK-RS4401 4-Master Buffered Isolated RS485 Hub | 2023-06-07 | Download |
| 04 | LK-RS5201 2-Master Fully Isolated Buffered RS485 Hub | 2023-10-24 | Download |
| 05 | LK-RS5401 4-Master Fully Isolated Buffered RS485 Hub | 2023-05-23 | Download |
| 06 | LK-RS2102 2-Port Opto-Isolated RS485 Hub | 2023-05-09 | Download |
| 07 | LK-RS2104 4-Port Opto-Isolated RS485 Hub | 2023-05-09 | Download |
| 08 | LK-RS2106 6-Port Opto-Isolated RS485 Hub | 2023-05-09 | Download |
| 09 | LK-MD1102 2-Channel DC Motor Driver | 2023-05-08 | Download |
| 10 | LK-MD1202 2-Channel DC Motor Driver | 2023-04-25 | Download |
| 11 | LK-MD2102 2-Channel Stepper Motor Driver | 2023-09-07 | Download |
| 12 | LK-MD2202 2-Channel Miniature Stepper Motor Driver | 2023-05-07 | Download |
| 13 | LK-RM304 4-Channel Relay Module | 2023-05-08 | Download |
| 14 | LK-RM310 10-Channel Relay Module | 2023-04-25 | Download |
| 15 | LK-RM102L RS485 Lens Decoder | 2023-09-07 | Download |
| 16 | LK-RM206 6-Channel RS485 Relay Decoder | 2023-05-07 | Download |
| 17 | LK-MD1204 Preset-Position Lens Driver | 2023-04-25 | Download |
| 18 | LK-PT1102 DC PTZ Decoder | 2023-09-07 | Download |
| 19 | LK-CK100 RS485 Controller (Encoder) | 2023-05-07 | Download |
| 20 | LK-RM102 2-Channel RS485 Relay Decoder | 2023-05-07 | Download |
| 21 | LK-RS3201 2-Master Buffered Isolated RS485 Hub | 2023-06-23 | Download |
| 22 | LK-SP501W Serial Device Server | 2026-01-19 | Download |
| 23 | LK-ST100TH Wi-Fi Temperature & Humidity Transmitter | 2026-07-08 | Download |
| No. | Title | Date | Action |
|---|---|---|---|
| 01 | LK-ST200TH Ethernet Temperature & Humidity Transmitter User Manual V2.1 | 2025-07-22 | Download |
| 02 | LK-RS4201 2-Master Buffered Isolated RS485 Hub User Manual V1.3 | 2023-04-13 | Download |
| 03 | LK-RS4201Pro 2-Master Buffered Isolated RS485 Hub User Manual V2.1 | 2026-06-25 | Download |
| 04 | LK-RS4401 4-Master Buffered Isolated RS485 Hub User Manual V1.0 | 2023-04-13 | Download |
| 05 | LK-RS5201 2-Master Fully Isolated Buffered RS485 Hub User Manual V1.1 | 2023-04-15 | Download |
| 06 | LK-RS5401 4-Master Fully Isolated Buffered RS485 Hub User Manual V2.0.1 | 2023-06-30 | Download |
| 07 | LK-RS2102 2-Port Opto-Isolated RS485 Hub User Manual V1.0 | 2023-04-14 | Download |
| 08 | LK-RS2104 4-Port Opto-Isolated RS485 Hub User Manual V1.0 | 2023-06-07 | Download |
| 09 | LK-RS2106 6-Port Opto-Isolated RS485 Hub User Manual V1.0 | 2023-10-24 | Download |
| 10 | LK-MD1102 2-Channel DC Motor Driver User Manual V2.1 | 2023-05-23 | Download |
| 11 | LK-MD1202 2-Channel DC Motor Driver User Manual V4.0 | 2023-05-11 | Download |
| 12 | LK-MD2102 2-Channel Stepper Motor Driver User Manual V1.3.1 | 2023-05-09 | Download |
| 13 | LK-MD2202 2-Channel Miniature Stepper Motor Driver User Manual V1.0 (6.5-12 V) | 2023-08-23 | Download |
| 14 | LK-MD2202 2-Channel Miniature Stepper Motor Driver User Manual V2.0 (5-12 V) | 2023-08-23 | Download |
| 15 | LK-RM304 4-Channel RS485 Relay Module User Manual (Modbus) V4.0 | 2023-08-18 | Download |
| 16 | LK-RM310 10-Channel RS485 Relay Module User Manual (Modbus) V1.0 | 2023-08-03 | Download |
| 17 | LK-RM102L RS485 Lens Controller User Manual V3.2 | 2023-08-02 | Download |
| 18 | LK-RM206 6-Channel RS485 Relay Decoder User Manual V4.0.1 | 2023-08-02 | Download |
| 19 | LK-MD1204 Preset-Position Lens Driver User Manual V2.2 (with zoom readout) | 2023-07-14 | Download |
| 20 | LK-PT1102 DC PTZ Decoder User Manual V4 | 2023-09-07 | Download |
| 21 | LK-CK100 RS485 Controller User Manual V2.3 | 2023-09-07 | Download |
| 22 | LK-RM102 2-Channel RS485 Relay Decoder User Manual V3.2 | 2023-09-07 | Download |
| 23 | LK-RS3201 2-Master Buffered Isolated RS485 Hub User Manual V1.2.1 | 2023-04-13 | Download |
| 24 | LK-RS5102 2-Port Fully Opto-Isolated RS485 Hub User Manual V1.0 | 2024-10-01 | Download |
| 25 | LK-RS5104 4-Port Fully Opto-Isolated RS485 Hub User Manual V1.0 | 2024-10-01 | Download |
| 26 | LK-SP501W Serial Device Server User Manual V1.0.0 | 2026-01-19 | Download |
| 27 | LK-ST100TH Wi-Fi Temperature & Humidity Transmitter User Manual V2.0 | 2026-07-08 | Download |
