Specifications

Diodes
[ ] Install the 1N5818 (black body - marked 1N5818) diode at D1.
[ ] Install the 1N459A (black body - marked 1N459A) diode at D2. Save one lead from this diode so
that it can be used as a jumper on the IC socket U1 later on in a testing stage.
[ ] Install the 1N4007 (black body - marked 1N4007) diode at D3.
Your PCB should now look like this:
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