Issue 2-4, 2024
ELECTROTECHNICA & ELECTRONICA E+E
Vol. 59. No 2-4/2024
Quarterly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

C O N T E N T S
Anton Sotirov, Viktor Sotirov
Microscopic studies using mixed ultraviolet, infrared and white light 33
Emil E. Vladkov
Powering an IoT-driven world: a survey of Energy Harvesting methods for the ZED concept 38
Georgi K. Petrov, Rosen I. Pasarelski, Krasen K. Angelov
University parallel computing micro-cluster build with second-hand computer systems 46

