It’s a computer chip. Or a mockup of a computer chip. Transistors, traces, and so on.

Rules:
Normal Sudoku rules apply.
Digits on Thermometers strictly increase from bulb to tip.
Cells marked with a green square contain an even digit (2, 4, 6, or 8).
Cells marked with an orange circle contain an odd digit (1, 3, 5, 7, or 9).

Estimated difficulty: 1 out of 5

Solve on SudokuPad
Chip Design