The first component that I put on the board were the resistors. One has to be careful with them, because they are all small and of the same size and shape. They are distinguished only by a colour code painted in rings on the body of the resistor. On the right-hand side I show a resistor that has not been installed yet. Its legs are bent to fit the holes on the printed circuit, inserted, and the soldered on the bottom side.
The printed sheet of paper in the background is the component list of the circuit, extracted by the software from the schematic. I used it to check that the right resistor went to the right place, and that none were forgotten.
This pictures shows the 'solder side' of the board after all the resistors have been placed. See the leads sticking out at the back.
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