LRF0815C · 1535 nm Laser Rangefinder Module
LRF0815C UART wiring, pinout and serial protocol
The LRF0815C talks RS-422; TTL optional and is powered from 12 V DC. Wire TX to the host RX, RX to the host TX, share ground, then send one of the commands below.
Electrical interface
| Parameter | Published value | Condition / note |
|---|---|---|
| Supply voltage | 12 V DC | |
| Interface | RS-422; TTL optional | |
| TTL connector | Molex 51021-0500, 3.3 V RX/TX, CTRL, +12 V and GND | |
| RS-422 connector | J30J with RX+/RX-, TX+/TX- and power/ground contacts; mate and cable supplied per order configuration |
Reading it from a computer
Open the port at the baud rate above, 8 data bits, no parity, 1 stop bit. The UART protocol decoder shows the frames live in a browser over WebSerial, and the erdi-lrf-drivers repository has Python, Arduino and ROS 2 readers for this frame format.
Ordering the LRF0815C
The published single-unit price of the LRF0815C is $1,500, falling to $900 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LRF0815C model page.
FAQ
What is the maximum range of the LRF0815C?
The published range is ≥8,000 m to a 2.3 m x 2.3 m target, 30% reflectance, visibility ≥10 km. A range figure is only comparable together with the target and conditions it was measured on, so the condition is listed next to the value.
Which interface does the LRF0815C use?
The published communication interface is RS-422; TTL optional.
What laser wavelength does the LRF0815C use?
The published wavelength is 1535 ± 5 nm; laser safety entry: Class I stated in the module document. Final accessible-emission classification applies to the complete configuration..
How much does the LRF0815C cost?
The published single-unit price of the LRF0815C is $1,500, falling to $900 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.