This project contains the hardware, software and experiment logs while developing a self mixing laser diode distance range and displacement measurement sensor.
This project is inspired by this excellent youtube movie by applied science, it really got me thinking "can I turn this into an actual highly sensitive range sensor?". It has a bunch of thing in it for me:
- Analog circuit design
- Low noise electronics
- Signal processing
- Realtime processing
- LAZORS!!!
There are multiple applications I had in mind:
- Touch off sensor for CNC machines
- Sensitive sensor for seismography
- detecting expansion/shrinkage of walls in my house
- whatever sensitive measurement I need
Let see how far I get.
Submodules are used extensivly so do not forget to checkout with submodules, see command below.
https://github.com/Squantor/selfMixingLaserRanger.git
- The hardware directory contains all the release and prototyping hardware.
- The software directory contains all the software for the ranger. Microcontroller of choice is the LPC824 as it is small, cheap and powerful enough for this application.
- The documentation directory contains lab notes, datasheets and other documentation.