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BOSCH GLM rangefinder

Python3 script to remote control a BOSCH GLM 100C rangefinder.

This script provides remote control features for the BOSCH GLM 100C measuring device via its Bluetooth serial interface. The device uses the transfer protocol as described in this blog post.

As the protocol seems to be identical for various Bosch measuring devices this script could also work for Bluetooth enabled rangefinders like GLM50C, PLR30C, PLR40C or PLR50C. If so please let me know!

Features

  • measure (returns distance millimeters)
  • turn laser on and off
  • turn display backlight on and off

Dependencies

The script was only tested on Windows. But since the Python module used is multi-platform, it should also support Linux and MacOS. See pybluez for further information.

Install pybluez for the Python3 interpreter via pip:

pip3 install pybluez

Run the script

Use the command line tool

python3 glm100c.py

Instructions on how to use get printed to the command line.

Import into your project

from glm100c import GLM100C

rangefinder = GLM100C()
if not rangefinder.connected: exit(1) 

distance = rangefinder.measure_from_tripod_socket()
if distance is not -1: print(distance, 'mm')