See it on LMR:
Functions:
- Navigate around via ultrasound without falling from tables or seats using LED and LDR
- Line following.
Output devices:
- 5 LED's
- 2 DC Motors
- 2 Servos
- 1 LCD03
- Microcontroller:
- PICAXE 28x1
- Power Source:
- 4 AA Batteries for Microcontroller
- 4 AA Batteries for output devices
- Input Devices:
- AXE121 (IR sensors)
- LDR
- SFR05
I've built many versions of it as you can see in the photos bellow:
And finally the movies: