Using a Tilt Sensor to Design a Spirit Level for the Visually Impaired
This is a design I did during COVID lockdown.
This article describes the complete design of a spirit level for the visually impaired. It uses an ADXL312 accelerometer to measure gravitational force in the horizontal and vertical planes and sounds a buzzer when the accelerometer is exactly horizontal or vertical.
It can also be used as a tilt sensor to level, say, trailers in automotive applications where the spirit level might be located in a place remote from the jockey wheel. It also has uses as a subcircuit in automotive stability systems or drones
The software used in this project can be downloaded here: Tilt Sensor Software
This article can also be found on the Analog Devices website
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