Arduino boards have become a popular choice amongst hobbyists, inventors, and engineers due to their flexibility and power. When it comes to monitoring physical processes such as pressure, temperature, and force, Arduino boards are often combined with strain gauges. Connecting strain gauges to Arduino boards can be an intimidating process, so in this article we'll be offering a step-by-step guide on how to do it.
When it comes to monitoring physical processes such as pressure, temperature, and force, strain gauges are typically used as they are able to accurately measure the amount of deformation of a material. To connect a strain gauge to an Arduino board, you will need an amplifier to convert the small changes in resistance produced by the strain gauge to a voltage, which the Arduino can then read.
The most common strain gauge amplifiers are wheatstone bridges, which are incredibly reliable circuits for measuring resistance. When connecting a wheatstone bridge to an Arduino board, the output voltage, or "bridge-voltage", is converted into an 8-bit digital number by the Arduino, allowing it to be read by a computer. In order to use the wheatstone bridge effectively with Arduino, a special library has been developed that enables an easy connection between the two devices. With the help of this library, the wheatstone bridge will be able to provide the Arduino with the necessary data for further analysis or automation of the process being monitored.
Connecting a strain gauge to an Arduino board may seem complicated at first, but with some practice and guidance, the task becomes more manageable. Armed with this knowledge, you are now ready to start connecting strain gauges to your Arduino boards and begin collecting data from physical processes.
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