August 10, 2026
How 905 nm DToF Laser Ranging Works
Inside the pulse-out, photon-back measurement loop that turns a 905 nm laser diode and an avalanche photodiode into a distance reading — and why the numbers on our spec sheets…
Read the articleERDILRF engineering knowledge
Integration & protocols
Connect a module, read its frames and budget the interface before you build the rest of the system.
Source-backed guidance
9 articles for this topic
Practical UART, I²C and serial integration guidance for ERDILRF 905 nm ranging modules, with articles on wiring, frames, bandwidth and host-side checks.
August 10, 2026
UART-TTL Integration Guide for LRF Modules
Check the exact module supply, pinout, UART settings, frame format and distance units before integration. Find current drivers, datasheets and technical support.
Read the articleSeptember 4, 2026
Connect a UART Laser Rangefinder to Pixhawk/ArduPilot
Evaluate a model-specific UART integration with ArduPilot: verify firmware support, frame length, electrical limits, documented conflicts and bench acceptance before configuration.
Read the articleSeptember 4, 2026
Laser Rangefinder Serial Protocol: Frames & Checksums
ERDILRF's two wire protocols explained: 55 AA and 5C frame formats, the checksum bug that breaks most integrations, and a working Python decoder.
Read the articleSeptember 11, 2026
Read a Laser Distance Module With Arduino Over UART
Review exact-model UART byte handling, units and invalid results before using Arduino drivers. Confirm electrical levels, serial settings and enable configuration before connecting hardware.
Read the articleSeptember 13, 2026
905 nm High Repetition Rate Laser Ranging Modules: Engineering Guide for OEM Integration
How 905 nm high repetition rate DToF modules really behave: ToF equations, rate trade-offs, verified 20-1500 m ERDILRF families, and an acceptance test plan.
Read the articleSeptember 14, 2026
Laser Rangefinder Module I2C: What Actually Works
Seven ERDILRF 905 nm modules expose I2C alongside UART. See which ones, the VB-series 0x52 default address, and where UART is still the better choice.
Read the articleSeptember 18, 2026
Laser Rangefinder Module Pinout & Wire Colors
Pin-by-pin wiring for 905 nm rangefinder modules: 5-pin vs 6-pin, wire colours, connector part numbers, and which logic levels are unpublished.
Read the articleSeptember 19, 2026
UART Bandwidth: Can a Host Keep Up at 10 kHz?
Calculate UART wire load and host buffer time for a four-byte rangefinder stream, with explicit assumptions and a practical receive-path checklist.
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