![]() ![]() Serial.println(flexVal) : This line prints the value of flexVal to the serial monitor followed by a newline. Serial.print("Flex: ") : This line prints the text "Flex: " to the serial monitor. This is done using the map() function, which scales the values from one range to another. The analogRead() function converts the analog voltage from the flex sensor into a digital value ranging from 0 to 1023.įlexVal = map(flexVal, 200, 1023, 0, 1023) : This line maps the analog value of flexVal from the range of 200 to 1023 to a new range of 0 to 1023. ![]() Void loop(): This is the loop function in Arduino, which runs repeatedly after the setup function.įlexVal = analogRead(flexPin) : This line reads the analog value from the flexPin using the analogRead() function and stores it in the flexVal variable. PinMode(flexPin, INPUT) : This line sets the flexPin as an input pin, indicating that the flex sensor is connected to this pin and will be used to read analog values. This allows you to send and receive data between the Arduino and the computer through the serial monitor for debugging and monitoring purposes. Serial.begin(9600) : This line initializes the serial communication between the Arduino board and the computer at a baud rate of 9600. Void setup(): This is the setup function in Arduino, which runs once when the Arduino is powered on or reset. This variable will be used to store the analog value read from the flex sensor. Int flexVal = 0 : This line declares a variable named flexVal and initializes it with the value 0. This pin will be used to read the analog values from the flex sensor. A0 refers to the analog input pin on the Arduino board to which the flex sensor is connected. Int flexPin = A0 : This line declares a variable named flexPin and assigns it the value A0. Multimeter (optional, for measuring resistance)įollowing shows the circuit diagram of connecting flex sensor with Arduino.Arduino board (such as Arduino Uno or Arduino Nano).You will need the following materials for this project: Here's a step-by-step guide on how to interface a linear flex sensor with an Arduino: With its easy-to-use hardware and software ecosystem, Arduino allows you to quickly and easily connect and program flex sensors to create interactive projects. Flex Sensors with ArduinoĪrduino, an open-source electronics platform, provides an ideal platform for interfacing with flex sensors. ![]() ![]() Linear flex sensors are often used in applications where the bending direction needs to be precisely controlled, such as in robotics, gaming, virtual reality, or wearable devices. They are typically made of a flexible material that changes its resistance when bent, and this change in resistance can be measured and interpreted to determine the extent of bending.įlex sensors come in various shapes and sizes, but the most common type is the linear flex sensor, which is long and narrow, resembling a strip or ribbon. What are Flex Sensors?įlex sensors, also known as bend sensors or flex/bend sensors, are devices that can detect changes in their shape or bending. In this blog post, we'll explore the basics of flex sensors and how you can interface them with an Arduino to create interactive projects that respond to changes in flex. If you're a maker or an electronics enthusiast looking to add sensor technology to your Arduino projects, flex sensors can be a fascinating and versatile option. ![]()
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