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- Find the resistor footprints for the voltage ladder on the board, next to the comparator socket.
- Install the 3k resistors into R17 and R22. These are nestled in between the other resistors. Don't get them confused!
- Then install R1, R2, R19, and R20. These go right around R17 and R22the 1k resistors into R16, R18, R21, and R23.
- Bend the leads of all of these resistors and solder them at the same time.