2017-01-17 (Tu) Tough Pi-ano

Sixteen pull-down resistors were selected from stock. They were ordinary 1/2 watt 10K Ohm through-hole resistors. Aka, those little dogbone-shaped thingers with the colored rings. Four of the resistors were used on the thumbwheel terminals and the remaining twelve were used for the piano octave.

 Topside of board

Resistors were added tot he top and bottom of the board. No room was left for these resistors when the parts were laid out so it was a mess to place all of them while maintaining a low clearance on the underside of the board. The next three boards should be much cleaner looking.

Underside of board


The rest of the posts for this project have been arranged by date.

First time here?

Completed projects from year 1.
Completed projects from year 2.
Completed projects from year 3.

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2016-12-31 (Sa)