Testbench setup, electronics laboratory, futuristic architecture, sleek metal tables, oscilloscope, logic analyzer, signal generator, microcontroller units, breadboard circuits, wires, cables, test points, debugging interfaces, LED indicators, buttons, knobs, LCD display, ergonomic chair, professional engineer, focused expression, glasses, lab coat, pens, notebook, whiteboard, diagrams, formulas, equations, softbox lighting, shallow depth of field, warm color tone, realistic rendering.