Wireless Insole for Dynamic Foot Plantar Measurement in Standing Activity Using Force Sensitive Resistor Base on Android

Muhammad, Abdul Wahid and Dwi, Basuki Wibowo and Ismoyo, Haryanto (2023) Wireless Insole for Dynamic Foot Plantar Measurement in Standing Activity Using Force Sensitive Resistor Base on Android. Universitas Wahid Hasyim Semarang.

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Abstract

The distribution of load on the soles of the feet depends on the position of the feet during the activity. Most of the human activities most often carried out by humans are standing activities. Pain in the soles of the feet appears not only because of the posture of the feet since birth, but can also be due to habits when doing activities. This study aims to analyze the distribution of foot load during standing activities. Useful information to improve your standing pattern. The research method involved a 21-year-old human sample, with a weight criterion of 81 kg using shoes between sizes 40. Load distribution measurements used 24 FSR-400 sensors (12 left and 12 right). The sensor is installed by sewing on a 3 mm thick silicon sole and inserted into a sports shoe. Sensor data is received by ESP-32 as a microcontroller and sent using Bluetooth wireless technology (HC-05) to an android smartphone. Load distribution sensor data is processed in Python Android (Pydroid) and then displayed in a color gradation concept (color mapping). This concept more easily describes the load on the soles of the feet. The smallest to largest loads are shown in blue to red. Based on 10 measurements, the results are validated by the measurement display on the tool that has been made. The load distribution data shown by the too l on users with normal feet can help change their habitual patterns of standing activities. Keywords: Disribusi, beban, FSR, sol, telapak kaki, wireless, pydroid

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