Tetervenoks, Olegs, Ilya Galkin, and Jelena Armas. “Autonomous Power Supply System for Light Sensor of Illumination Measurement Test Bench”. Electrical, Control and Communication Engineering 1, no. 1 (December 1, 2012): 30–35. Accessed November 5, 2024. https://ecce-journals.rtu.lv/ecce/article/view/v10314-012-0005-0.