Electric Exercise Bike untuk Terapi Struk Ringan
Keywords:
Back Electrostimulator, L298N Module, Rheumatic Therapy, Temperature Stable, Waist HeaterAbstract
Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation in the joints, causing pain, swelling, and limited movement. Heat therapy is one of the effective methods to relieve RA symptoms because it can improve blood circulation, relax muscles, and reduce joint stiffness. This study designed and analyzed an Arduino IDE-based rheumatic therapy device with two main features: a waist heater using a DC Heater and a back electrostimulator through the L298N module. The device has three operating modes (Low, Medium, High) that regulate the pulse delay to adjust the patient's comfort. An input temperature of 50°C is programmed to provide optimal warmth. The measurement results showed that the output voltage of the power supply was 4.51 V with an error of 9%, the microcontroller input was 4.98 V with an error of 0.4%, the output of the L298N driver was 23.9 V, and the input of the DC Heater was 4.98 V with an error of 0.4%. All values are within safe tolerance limits. The 15- and 25-minute temperature stability tests show a small difference between the temperature of the appliance and the thermocouple, indicating stable and accurate appliance performance. Based on the results of technical analysis and temperature testing, this rheumatic therapy tool is considered suitable for use as an alternative to non-pharmacological therapy for RA patients.
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